Class 6 NSO 5 years paper EBook

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(2) Copyright © 2015 Science Olympiad Foundation. Printed with the permission of Science Olympiad Foundation. No part. of this publication may be reproduced, transmitted, in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior permission of the copyright holder. Ownership of an ebook does not give the possessor the ebook copyright. All disputes subject to Delhi jurisdiction only.. Disclaimer : The information in this book is to give you the path to success but it does not guarantee 100% success as the strategy is completely dependent on its execution. And it is based on last years papers of NSO exam.. Published by : MTG Learning Media (P) Ltd. Corporate Office : Plot 99, 2nd Floor, Sector 44 Institutional Area, Gurgaon, Haryana. Phone : 0124 - 4951200 Web: mtg.in Email: [email protected] Regd. Office : 406, Taj Apt., Ring Road, Near Safdarjung Hospital, New Delhi-110029. Visit. www.mtg.in for buying books online..

(3) CLASS 6. Contents ªª 13th NSO 2010 ªª 14th NSO 2011 ªª 15th NSO 2012 - SET A ªª 15th NSO 2012 - SET B ªª 16th NSO 2013 - SET A ªª 16th NSO 2013 - SET B ªª 17th NSO 2014 - SET A ªª 17th NSO 2014 - SET B.

(4) MTG Work-Books / olympiad books CLASS 1. International Mathematics Olympiad. National Science Olympiad. International English Olympiad. MTG CSS Series. CLASS 2. International Mathematics Olympiad. National Science Olympiad. National Cyber Olympiad. International English Olympiad. MTG CSS Series. International English Olympiad. MTG CSS Series. CLASS 3. International Mathematics Olympiad. National Science Olympiad. National Cyber Olympiad.

(5) MTG Work-Books / olympiad books CLASS 4. International Mathematics Olympiad. National Science Olympiad. National Cyber Olympiad. International English Olympiad. MTG CSS Series. International English Olympiad. MTG CSS Series. International English Olympiad. MTG CSS Series. CLASS 5. International Mathematics Olympiad. National Science Olympiad. National Cyber Olympiad. CLASS 6. International Mathematics Olympiad. National Science Olympiad. National Cyber Olympiad.

(6) MTG Work-Books / olympiad books CLASS 7. National Science Olympiad. International Mathematics Olympiad. National Cyber Olympiad. Science IQ Challenge. Math IQ Challenge. International English Olympiad. MTG CSS Series. Master Mental Ability in 30 Days. CLASS 8. International Mathematics Olympiad. National Science Olympiad. National Cyber Olympiad. International English Olympiad. MTG CSS Series. Math IQ Challenge. Science IQ Challenge. Psychology of Success. The Secrets of SUCCESS. Master Mental Ability in 30 Days.

(7) MTG Work-Books / olympiad books CLASS 9. International Mathematics Olympiad. Math IQ Challenge. National Science Olympiad. Science IQ Challenge. National Cyber Olympiad. Psychology of Success. The Secrets of SUCCESS. International English Olympiad. Master Mental Ability in 30 Days. CLASS 10. International Mathematics Olympiad. Math IQ Challenge. National Science Olympiad. Science IQ Challenge. National Cyber Olympiad. Psychology of Success. The Secrets of SUCCESS. International English Olympiad. Master Mental Ability in 30 Days.

(8) MTG Work-Books / olympiad books CLASS 11. International Mathematics Olympiad. Math IQ Challenge. Science IQ Challenge. National Science Olympiad. Psychology of Success. National Cyber Olympiad. The Secrets of SUCCESS. Master Mental Ability in 30 Days. CLASS 12. International Mathematics Olympiad. Math IQ Challenge. Science IQ Challenge. National Science Olympiad. Psychology of Success. National Cyber Olympiad. The Secrets of SUCCESS. Master Mental Ability in 30 Days.

(9) Class. 1 to 10.

(10) JEE (Main & Advanced) | AIPMT | BOARDS | OLYMPIAD | NTSE. FOUNDATION COURSE For Classes 7, 8, 9 & 10 Class 7. Class 8. Class 9. Class 10.

(11) Class 6 13th. Year 2010. Copyright©2015. Science Olympiad Foundation (SOF).

(12) CLASS 6 | 13th NSO - 2010. MENTAL ABILITY 1. . The given tally chart shows how John's class voted for the games they should play at the class outing. Which two games received the highest and second highest votes respectively ? . Tally Marks . IIII IIII IIII I . (A) Kickball and Soccer . IIII I . (B) Relay Races and Freeze Tag . III . (C) Soccer and Freeze Tag 2. . How many . (D) Kickball and Relay Races . do you need to balance the last setup ? 2 kg . If (A) 8 3. . 4 kg . , and . ? . then . (B) 10 . (C) 12 . Which of the following statements describes the information given in the table ? . (D) 14 Number of Number of Tables People (n ) . (A) There are 2n + 1 people at each table (B) There are 4n people at each table (C) There are 4n + 1 people at each table (D) There are 2n –1 people at each table 4. . 1 . 0 . 5 . 2 . 9 . 4 . 13 . 6 . 17 . 8 . 21 . 10 . A car dealership had a special sale. It had 100 cars to sell. ® It sold 26 cars on Friday. ® It sold 37 cars on Saturday. ® It received 12 new cars on Monday. Which of the following expressions shows the number of cars the dealership had after the cars received on Monday? ® . 5. . (A) (100) + (–26) + (–37) + (12) . (B) (26) + (37) + (–12) . (C) (–26) + (–37) + (–12) . (D) (–100) + (–26) + (37) – (–12) . How many more squares must be shaded so that figure is shaded ? (A) 1 . (B) 2 . 1 of the 3 (C) 3 . (D) 4 A . 6. . Mr. Ashmit drew the given figure on the board. Which word describes the line segment AD ? (A) Chord (C) Diameter . 7. . D . (B) Radius (D) Perpendicular . Mr. Karan created the given function table. What rule did he use to find the output number? (A) n + 3 (B) n – 2 (C) n × 9 (D) n/3 2 . Copyright©2015. Science Olympiad Foundation (SOF). B C . Input (n) Output 3 . 1 . 9 . 3 . 27 . 9 . 81 . 27 .

(13) CLASS 6 | 13th NSO - 2010. 8. . Mohit has twice as many nails as he has bolts. He has 70 nails. How many bolts does he have? (A) 35 . 9. . (B) 37 . (C) 68 . (D) 72 . Pratik glued several different geometric figures to his tabletop for decoration. What type of geometric figure is Figure 1 ? (A) Right triangle (B) Scalene triangle . r gu Fi. (C) Isosceles triangle . e . 1 . (D) Equilateral triangle 10. Mrs. Neha wrote the following problem on the board and asked her students to solve it. Every Tuesday (t), Kim practices the piano for 30 minutes. Every Wednesday (w), she practices twice as long as on Tuesdays. How long does Kim practice on Wednesdays? Which equation will help to determine how long Kim practices on Wednesdays? (A) w = 2 × t . (B) w = t + 2 . (C) w + t = 30 . (D) w – t = 60 . 11. Mr. Varun asked his students to write down the first five prime numbers. Which of the following is an accurate listing of the first five prime numbers? (A) 2, 3, 5, 7, 11 . (B) 1, 3, 5, 7, 9 . (C) 0, 1, 2, 3, 5 . (D) 2, 3, 7, 9, 12 . 12. What is the value of the expression shown here ? 10 + 16 ¸ 2 × 4 (A) 12 . (B) 42 . (C) 52 . (D) 72 . 13. Which shape on the number line best represents the location of 2 (A) . (B) . (C) . (D) . 1 . 1 ? 4 . 2 . 3 . 4 . 14. Which of the following figures shows only a flip of the shaded figure across line m? . m . m . (A) . m . m . (B) . (C) . m . (D) . 15. Ms. Nupur wants to buy 30 cupcakes for her class. There are 4 cupcakes in each package. What is the least number of packages she will have to buy? (A) 6 . (B) 7 . (C) 8 . (D) 9 . SCIENCE 16. The motion exhibited by the ball rolling down on inclined plane is _____ (A) Rotational and circular (B) Rotational and periodic (C) Rectilinear and rotational . (D) Uniform motion. 3 . Copyright©2015. Science Olympiad Foundation (SOF).

(14) CLASS 6 | 13th NSO - 2010. 17. The diagram shows a person viewing the image of a pencil in a plane mirror. How far from the person does the image of the pencil seem to be? (A) 2 m (B) 3 m (C) 4 m (D) 6 m . K . 1 m . 2 m . Plane mirror . 18. Which of the following sources provide the most similar amounts of energy? (A) Oil & nuclear (B) Coal & gas (C) Gas & nuclear (D) Coal & nuclear 19. An opaque object can form two shadows as shown. Which object do the shadows belong to ? . (A) . (B) . (C) . (D) . 20. Which of the following materials is not grouped correctly ? Conductors (A) Iron nail (B) Steel spoon (C) Paper boat (D) Safety pin . Insulators Wooden chair Football Lemon water . paper . P 21. Study the given circuit diagram. Which of the following statements about the circuit are true? (i) An electric current transports energy from component R to component P. Q (ii) Component Q is in the 'on' position that allows electricity to flow in a R complete path. (iii) The  wires that connect components P, Q and R in the circuit must be covered with electrical insulations. (iv) The wires that connect components P, Q and R in the circuit are good electrical conductors. (A) (i) and (iv) only (B) (ii) and (iii) only (C) (ii), (iii) and (iv) (D) (i), (ii), (iii) and (iv) . 22. The passengers sitting in a flying aeroplane are in _____ with respect to clouds, but are in ____ with respect to the interior of the aeroplane. (A) Rest, motion (B) Rest, rest (C) Motion, rest (D) Motion, motion 23. The object which can form both circular and rectangular shadows is (A) . (B) . (C) . (D) . 24. Which one of the following is not a similarity between Earth and Moon? (A) Both do not give off light of their own (B) Both are round in shape (C) Both have gravitational pull (D) Both are Sun's satellite 25. A blurred view is obtained through a paper when a little amount of oil or grease is applied on it because the paper becomes _______ (A) Clear (B) Transparent (C) Translucent (D) Opaque 4 . Copyright©2015. Science Olympiad Foundation (SOF).

(15) CLASS 6 | 13th NSO - 2010. 26. Study the flow chart carefully and match column I (Objects) with column II (Materials). Does it break easily ? . Yes . Is it transparent ? . No . Yes . Object R . Material Object P (i)   C lay . No . Is it elastic ? . Is it shiny ? . No . No . Object P . Q . (ii)  Metal . R . (iii) Glass . Object Q . (A) (P) – (i); (Q) – (ii); (R) – (iii) (C) (P) – (ii); (Q) – (i); (R) – (iii) . (B) (P) – (ii); (Q) – (iii); (R) – (i) (D) (P) – (iii); (Q) – (i); (R) – (ii) . 27. What kind of change is taking place in the given pictorial representation ? (A) Reversible & physical (B) Irreversible & chemical (C) Reversible & chemical (D) Irreversible & physical 28. . Ball A steel loop . Ice . Steam . Water . A steel loop Ball . A . B . Reema has been trying to make a ball pass through a steel loop but remains unsuccessful. What should Reema do to make the ball pass through the steel loop ? (A) Heat the loop (B) Cool the loop (C) Stretch the loop . (D) Put the loop in water . Rahul took 2 shallow bowls of the same kind. He filled them with equal quantity of water and kept one of these cups out in the sun and one in shade. . 29. . What conclusion did he make after the experiment ? (A) Rate of evaporation increases with increase in temperature. (B) Rate of evaporation decreases with increase in temperature. (C) Rate of evaporation is unaffected by temperature. (D) None of these. 30. The given experiment shows (A) Air contains dust particles (B) Air occupies space (C) Air has mass (D) Air is colourless. . Tie two balloons at equal distance from the mid point so that it is balanced . Now fill air in one balloon by blowing air in it and place it at its original position . 31. The given figures show particles of the same matter. In which picture is the matter hottest ? . (A) . (B) . (C) . 32. Water is poured into the tank until it is half full. Which of the objects in the tank will move up to the water surface ? (A) 1 and 4 (B) 1 and 3 (C) 2 and 4 (D) None of these 5 . Copyright©2015. Science Olympiad Foundation (SOF). (D) . 1. Stones 2. Pingpong ball 3. Marble 4. Wooden cork .

(16) CLASS 6 | 13th NSO - 2010. 33. Match column I with column II and mark the correct option from the codes given below. Column I Column II (a) Nitrogen gas + oxygen gas (i) 99% of air (b) Loss of water by plants (ii) Water cycle (c) Drought (iii) Transpiration (d) Replenishment of water (iv) Scarcity of ground water (A) (a) (i); (b) (ii); (c) (iii); (d) (iv) (B) (a) (iii); (b) (ii); (c) (i); (d) (iv) (C) (a) (iv); (b) (i); (c) (ii); (d) (iii) (D) (a) (i); (b) (iii); (c) (iv); (d) (ii) 34. A mixture contains two solids P and Q. Solid P is light in weight while solid Q is very heavy. Their sizes are almost same. Here, P is the unwanted component. To get pure solid Q, which separation method would you suggest ? (A) Sieving (B) Winnowing (C) Magnetic separation (D) Filtration 35. Match the organisms in column I with their food habits in column II and select the correct option from the codes given below : Column I Column II (a) Snail (i) Human or animal blood (b) Peacock (ii) Plant nectar (c) Bees (iii) Grains, insects & snakes (d) Mosquito (iv) Decaying plant parts (A) a(i), b(ii), c(iii), d(iv) (B) a(ii), b(i), c(iv), d(iii) (C) a(iv), b(iii), c(ii), d(i) (D) a(iii), b(iv), c(i), d(ii) 36. Identify missing parts P, Q & R in the given flow chart describing preparation of ghee. P Q R (A) Butter Milk Cheese Cow Q P R (B) Milk Butter Cream (C) Cheese Butter Cream (D) Milk Cream Butter . Ghee . 37. If your mother is buying food items packed in packets, bottles or tins, which of the following information must she look for ? (i) Contents (ii) Date of manufacture (iii) Expiry date (iv) Max. retail price (v) Any mark of quality like AGMARK, FPO. (A) (i) & (ii) (B) (ii), (iii) & (v) (C) (ii), (iii), (iv) & (v) (D) (i), (ii), (iii), (iv) & (v) 38. The child in the given figure is suffering from a deficiency disease. This disease is caused due to deficiency of (A) Carbohydrates . Swollen moon face . Colour loss in hair and skin . Stops growing . (B) Proteins . Thin upper arms Sore and peeling skin . (C) Fats (D) Vitamins . 39. Which should come in the blank next to (iv) in the given figure ? (A) Polyester (B) Coir . (i) Wool . (iii) Cotton . (v) Paper . (ii) Silk . (iv) ______ . (vi) Rubber . (C) Cashmere (D) Nylon. Natural fibre . 6 . Copyright©2015. Science Olympiad Foundation (SOF). Made from plants .

(17) CLASS 6 | 13th NSO - 2010. 40. Which of the following materials upon burning smells like burning paper ? (i) Cotton (ii) Silk (iii) Flax (iv) Wool (v) Fur (vi) Jute (A) (i), (iii) & (vi) (B) (ii), (iv) & (v) (C) (i), (ii), (iv) & (vi) (D) (iv) & (v) 41. Given below are three statements (ac) each with one or two  blanks. Select the option which correctly fills up the blanks in two statements. (a) In cacti, the (i) is thick, fleshy and green. It carries out photosynthesis. (b) The male reproductive part of a flower is (i) . (c) The coloured (i) of a flower attract insects for (ii) . (A) (a) (i) Root, (b) (i) Pistil (B) (b) (i) Stamen, (c) (i) Petals, (ii) Pollination (C) (a) (i) Root, (c) (i) Sepals, (ii) Food (D) (a) (i) Root, (b) (i) Stamen 42. Smita set up an apparatus as shown in the given figure. After keeping the apparatus for some time in the Sun, she found that some gas has collected in the top part of the test tube. Which gas could it be ? (A) Oxygen . (B) Hydrogen . (C) Carbon dioxide . (D) Nitrogen . Gas collected Test tube . Water Water plant . P . 43. In which labelled part(s) is a movable joint present ? (A) P (B) R (C) Q (D) All of these . Q R . 44. Observe the movement of a fish as shown in the figure. Which part of the fish helps it to move forward ? (A) Dorsal fins (B) Tail fin (C) Mouth (D) Skeleton 45. Garima took a plant found on the land and carefully put it inside a jar of water as shown by tying it to stones. She added the minerals required by the plant in the water and kept it in sunlight. After some days the plant died. What could be the probable reason for its death ? (A) The plant was not able to absorb oxygen for respiration inside water (B) The plant was not able to absorb carbon dioxide for photosynthesis inside water (C) The plant did not get sunlight to perform photosynthesis inside water (D) Both (A) & (B) . Water & minerals Stones . 46. Given below are some of the adaptations shown by organisms living in the mountain regions. Select the ones which do not correctly describe the mountain habitat. (i) Animals have thick skin or fur. (ii) Goats have strong hooves. (iii) The shape of trees is normally of cone type. (iv) The stems become thick, flat and green. (v) The leaves are covered by waxy layer. (vi) The animals have streamlined body. (A) (i), (ii) & (iii) (B) (iv), (v) & (vi) (C) (i), (ii) & (vi) (D) (ii), (iv) & (vi) 47. Landfill is an area where the garbage collected from a city or town is (A) Dumped (B) Recycled (C) Burned 7 . Copyright©2015. Science Olympiad Foundation (SOF). (D) Both (B) & (C).

(18) CLASS 6 | 13th NSO - 2010. 48. Given below are four (iiv) articles. Suggest the most appropriate biodegradable articles that can be used to replace them and select a correct option. (i) Plastic bags (ii) Plastic pots (iii) Chemical fertilizers (iv) Plastic plates (A) (i)Paper plates, (ii)Clay pots, (iii)Jute bags, (iv)Vermicompost (B) (i)Clay pots, (ii)Vermicompost, (iii)Jute bags, (iv)Paper plates (C) (i)Jute bags, (ii)Clay pots, (iii)Vermicompost, (iv)Paper plates (D) (i)Paper plates, (ii)Jute bags, (iii)Vermicompost, (iv)Clay pots 49. The given figure represents a section of a tree trunk. Find out how old this tree was ? (A) Three years old . (B) Five years old . (C) Six years old . (D) Seven years old . Core of tree Bark . 50. What is the source of food articles shown in the given figures? (A) Plants (B) Animals (C) Humans (D) Both (A) & (B) . Da bu r HONEY . SPACE FOR ROUGH WORK. 8 . Copyright©2015. Science Olympiad Foundation (SOF).

(19) Class 6 14th. Year 2011. Copyright©2015. Science Olympiad Foundation (SOF).

(20) CLASS 6 | 14th NSO - 2011. 2. MENTAL ABILITY 1.. Which model represents a ratio of 2 : 1 of shaded to unshaded parts ?. (A). 2.. Arun is doing five sets of jumping jacks. He started with a set of 8 jumping jacks. In his second set,. (B). (C). (D). he did 16; in his third set, he did 32; and in his fourth set, he did 64. If he follows the same pattern,. 3.. which statement describes how to find the number of jumping jacks Arun will do in the fifth set? (A) Add 32 to the number in set 4. (B) Add 8 to the number in set 4. (C) Multiply the number in set 4 by 4. (D) Multiply the number in set 4 by 2.. Niharika planned to make colour photocopies of a poster for the school play. At the photocopy centre she saw the given table. If Niharika makes 14 colour photocopies, what will be the total. cost? (A) ` 0.15 (C) ` 2.10 . 4.. Number of colour. Total cost of. photocopies. photocopies. 2. ` 0.30. 4. ` 0.60. 6. ` 0.90. 8. ` 1.20. (B) ` 1.80 (D) ` 2.40. Vidhi is painting the outside of her doll house. She is considering painting the door blue or green and painting the walls white or yellow or grey. The diagram shows all the different combinations of colours she is considering. How many different combinations of colours are possible? (A) 2 (B) 4 (C) 6 (D) 8. 5.. Abdul collects red and blue stamps. He has 15 stamps that are red only and 12 stamps that are red and blue. His collection has a total of 34 stamps. Which Venn diagram correctly represents Abdul's stamp collection?. (A). 6.. The given graph shows the weight of Armaan's dog over 5 weeks. Based on the graph, which of these is the best prediction for dog's weight in the 7th week ?. (A) 4 grams . (B) 9 grams. (C) 10 grams. (D) 20 grams. 7.. What will come in place of the question mark (?) in the following question?. (A) 85. (B). (C). 185% of 400 + 35% of 240 = ? % of 1648 (B) 75 (C) 125 Copyright©2015. Science Olympiad Foundation (SOF). (D). (D) 50.

(21) CLASS 6 | 14th NSO - 2011. 3 8.. Nikhil walked 30 metres towards East, took a left turn and walked 20 metres. He again took a left. turn and walked 30 metres. How far and in which direction is he from his starting point? (A) 20 metres North (B) 80 metres North (C) 20 metres South (D) 80 metres South. 9.. Sara pitched a tent in her backyard. How many faces does Sara's tent have?. (A) 3 faces (C) 6 faces . (B) 5 faces (D) 9 faces. 10. In a certain code CONQUER is written as MNBRQDT. How is STEAMER written in that code?. (A) DRSBQDL (B) DSRBLDQ (C) DSRZQDL (D) DSRBQDL 11. Raj wants to frame a rectangular poster for his room. The dimensions of the poster are 1.5 feet. by 2 feet. What is the perimeter of Raj's poster? (A) 3 feet (B) 3.5 feet (C) 5.5 feet. (D) 7 feet. 12. Tamera's class was divided in half to play a game of football. There were 12 students on each team. Which algebraic equation could be used to calculate the number of students(s) in Tamera's class?. (A). 12 = 2 s. (B) 12 + s = 2. (C). s = 12 2. 13. Mohit made the given frequency table to show the number of times each vowel was used in the first sentence of several books he had read. Find the average of their tally marks.. (A) 5.2 . (B) 6.0. (C) 6.2. (D) 5.0. (D) s + 2 = 12 Vowels in Sentences Vowel. Tally Marks. A E I O U. 14. Which supply costs as much as the glue and bolts together ? . Supply. Cost. Nails. ` 1.00. Paint. ` 1.50. (B) Nails. Glue. 50 paise. (C) Handle. Bolts. 50 paise. Wheels. ` 2.00. (D) Wheels. Wood. ` 3.00. Handle. ` 1.50. (A) Paint. 15. Three different containers contain 496 litres, 403 litres and 713 litres of mixtures of milk and water. respectively. What biggest measure can measure all the different quantities exactly? (A) 1 litre (B) 7 litres (C) 31 litres (D) 41 litres. science 16. A pendulum oscillates between positions L and R as shown in figure. It takes 1.2 s to go from L to R and back to the mean position S. What is the period. of the pendulum ? (A) 0.4 s (C) 1.2 s . (B) 0.8 s (D) 1.6 s. Copyright©2015. Science Olympiad Foundation (SOF). L. S. R.

(22) CLASS 6 | 14th NSO - 2011. 4. 17. A train has high inertia. How difficult is it to start the train moving and to stop it moving ? To start. (A) Difficult . (C) Easy. To stop To start Difficult (B) Difficult Difficult (D) Easy. To stop Easy Easy . 18. Two cars X and Y are travelling in opposite directions on a narrow road as shown here. Four possible positions for placing a mirror are labelled A, B, C and D. In order to avoid an accident, a mirror could. be placed at position _____. (A) A (B) B (C) C (D) D. 19. An iron nail was magnetised using the method shown here.. Which part of the iron nail would be the north pole ? (A) A (B) B (C) C (D) D. 20. Statement-1 : A person sitting in an artificial satellite revolving around the earth feels weightless.. Statement-2 : There is no gravitational force on the satellite. (A) Both statements-1 and 2 are true and statement-2 is the correct explanation of statement-1. (B) Both statements-1 and 2 are true but statement-2 is not the correct explanation of statement-1. (C) Statement-1 is true but statement-2 is false. (D) Both statements-1 and 2 are false.. 21. For measuring hotness and coldness of an object we should use _____.. (A) A conductor (B) A temperature (C) An insulator. (D) A thermometer. 22. Match Column I with Column II and select the correct option from the codes given below. . (a). (b). (c). (d). (e). (A). (C). Column I Column II Battery (i) Complete path for the flow of electricity. Conductor (ii) A collection of cells. Circuits (iii) Generate electricity. Insulator (iv) Allows electricity to flow through it. Cells (v) Substance that does not allow electricity to flow through it. a-(ii), b-(iv), c-(i), d-(v), e-(iii) (B) a-(iii), b-(v), c-(i), d-(iv), e-(ii) a-(v), b-(iii), c-(i), d-(iii), e-(iv) (D) a-(ii), b-(iv), c-(iii), d-(v), e-(i) . 23. Sanjay had a beaker full of a dark blue liquid. He added . Beaker. some yellow colour to it. He then shone a torch on the beaker as shown here.. What was the colour of the image of the beaker on the. screen ? (A) Yellow. 24.. The (A) (B) (C) (D). (B) Green. Torch. (C) Blue. given figures show which type of motion ? Circular motion Rectilinear motion Periodic motion All of these Copyright©2015. Science Olympiad Foundation (SOF). Screen. (D) Black.

(23) CLASS 6 | 14th NSO - 2011. 5. 25. The diagrams given below show a steel ball, a rubber ball and a magnet placed at different positions on a slope. In which one of the following diagrams would the ball roll down the slope the fastest? rubber ball. steel ball. (A). (B). magnet. (C). (D). magnet N. N. 26. In the given images, a boy is looking through a material. Which one of the following represents translucent?. (A). (B). (C). (D) All of these. 27. Jai placed few objects in a tank of water. Water was poured into the tank until it was half full. Which object in the tank would be floating after ten minutes?. (A) Pencil . (B) Glass ball. (C) Stone. (D) Metal ball. 28. Which property can be explained by the given figure? . (A) Softness. (B) Brittleness. (C) Malleability . (D) Ductility. 29. Which of the following is made of one material only?. (A) 1 and 2 only . (B) 1, 2 and 3 only. (C) 2 and 3 only. (D) 3 and 4 only. 30. Changes occurring in the figures are ____.. (A) Permanent, permanent (B) Permanent, reversible. (C) Reversible, reversible (D) Reversible, permanent. 31. What conclusion can you draw from the following experiment?. (A) (B) (C) (D). Stirring Stirring Stirring Stirring. decreases solubility, increase in temperature increases solubility. increases solubility, increase in temperature decreases solubility. increases solubility, decrease in temperature decreases solubility. decreases solubility, decrease in temperature increases solubility. Copyright©2015. Science Olympiad Foundation (SOF).

(24) CLASS 6 | 14th NSO - 2011. 6 32. Match the columns and mark the correct option. Separation process. Purpose for which we do. What do we do with the separated. the separation. components?. (1) Separate stones from rice. (a) To separate two different, (i) but useful components. (2) Churning milk to obtain (b) To remove non-useful (ii) butter.. We t h r o w a w a y t h e s o l i d component. We throw away the impurities.. components.. (3) Separate tea leaves.. (c) To remove impurities or (iii) We use both the components. harmful components.. (A) (1) - (b) - (i) ; (2) - (a) - (iii) ; (3) - (c) - (ii) (C) (1) - (a) - (i) ; (2) - (b) - (ii) ; (3) - (c) - (iii). (B) (1) - (c) - (i) ; (2) - (b) - (iii) ; (3) - (a) - (ii) (D) (1) - (b) - (ii) ; (2) - (a) - (i) ; (3) - (c) - (iii). 33. If two substances interact to produce a change, they will do so _____.. (A) Under any condition (B) No matter what kind of interaction takes place. (C) Only if they are in close contact (D) Only if the interaction is under the right conditions 34. Arjun conducted an experiment shown in figure. What. conclusion could you draw from the observation?. (A) Air contains dust particles.. (B) Air contains oxygen. . (C) Air contains water vapours. (D) Air contains carbon dioxide.. 35. Which of the following is not the characteristic of living organisms ?. (A) Living organisms are made up of cells. (B) Living organisms grow and mature.. (C) Living organisms have indefinite life span. (D) Living organisms respond to stimulus. 36. The earthworm has no bones but there is a series of muscular rings all along its body, which it uses for locomotion. Given below are the various steps of its locomotion. Arrange them in sequence. and (i) (ii) (iii) (iv) (A) (C). select the correct option. It shortens the body by muscle contraction and pulls its rear-end forward. It fixes the front end and releases the rear end. It fixes its rear portion to the ground with the help of tiny bristles. It extends the front part of its body by muscle expansion. (iv) → (iii) → (ii) → (i) (B) (iii) → (iv) → (ii) → (i) (i) → (ii) → (iii) → (iv) . (D) (ii) → (iii) → (iv) → (i). 37. Refer the given figure on types of joints. Identify the labelled joints X,. Y and Z and select the correct option.. X Y. (A) Hinge. Pivot . Ball and socket. (B) Pivot. Hinge . Ball and socket. (C) Ball and socket. Hinge . Pivot. (D) Pivot. Ball and socket. Hinge. Z. 38. Which of the following lists of food is obtained from roots of the plant ?. (A) Spinach, cabbage, coriander (B) Potato, mango, broccoli. (C) Sugarcane, onion, beetroot (D) Radish, turnip, carrot Copyright©2015. Science Olympiad Foundation (SOF).

(25) CLASS 6 | 14th NSO - 2011. 7 39. Which of the following methods are used for storing food items ?. (i) Food should be kept in closed containers.. (ii) Food should be properly washed.. (iii) Food should not be overcooked. (iv) Food can be refrigerated.. (v) Food items can be preserved by drying out in the Sun. (A) (ii) & (iv) (B) (i), (iv) & (v) (C) (i), (ii), (iii) & (iv). (D) (i), (ii), (iii), (iv) & (v). 40. X are building blocks of the body. They are the main components of various structures in the body,. like muscles, nails, hair, etc. What are X ? (A) Fats (B) Carbohydrates. (C) Vitamins. (D) Proteins. 41. Identify X in the given Venn diagram.. (A) Silk. (B) Wool. (C) Nylon. (D) Jute. 42. Why is wool used for winter clothing ?. (A) Because it can dry easily. . (C) Because it cannot absorb sweat.. (B) Because it is coarse and heavy. (D) Because it is fluffy and retains air.. 43. Which of the following animals is adaptable to live in warm and dry habitats ?. (A). 44.. Which of the following statements is/are incorrect? (i) Fishes have streamlined body in order to facilitate swimming. (ii) Birds have strong flight muscles which aid them in flying. (iii) Snakes have hollow bones that help them in locomotion. (iv) Tigers and wolves have sharp pointed teeth to help them tear the flesh of their prey. (A) (ii) only (B) (iii) & (iv) (C) (iii) only (D) (i) & (iii).. (B). (C). (D). 45. Megha prepared a model of human digestive system from scrap materials as given. Compare the labelled scrap materials P, Q, R and. S with parts of digestive system and select. P Q R (A) Buccal cavity Stomach Small intestine (B) Pharynx Pancreas Large intestine (C) Trachea Gall bladder Large intestine (D) Oesophagus Stomach Small intestine. the correct option. S Large intestine Small intestine Small intestine Large intestine. 46. Refer the given flow chart.. P, Q, R and S are blood vascular pathways that provide blood to the whole body. Which two pathways carry blood rich in oxygen ? (A) P & Q (B) P & R (C) Q & S (D) R & S Copyright©2015. Science Olympiad Foundation (SOF).

(26) CLASS 6 | 14th NSO - 2011. 8 47. Which of the following is incorrect regarding herbs, shrubs and trees ? Herbs Shrubs Trees. (A) Tomato Lemon Mango, guava. (B) Usually short Medium sized Tall in size. (C) Plants with hard Plants with green Plants with thick stem, not very thick and tender stems brown stem. (D) Branches are few Stem branches out Stem branches out near base in the upper part 48. Moon changes its shape over a month as shown in the given. figure. What is the main cause of these changes ? (A) Over a month’s time, the Sun moves between the Earth and the Moon, blocking the Moon’s light. (B) As the position of Moon in its orbit around the Earth changes, part of the lit portion of the Moon is visible.. (C) As the Moon’s orbit moves to a far point away from the Earth, its light is dim; when it is closer to the Earth, its light is bright. (D) At times, the whole Moon is lit by the Sun, but at other times, half remains dark.. 49.. Which of the following statements are correct ? (i) Biodegradable house-hold wastes can increase soil fertility. (ii) Planting of trees can help in preventing soil erosion. (iii) Tidal energy is produced from hot water geysers. (iv) Terrace farming helps in preventing landslide. (v) Ores are rocks from which coal and petroleum are extracted. (A) (i), (ii) & (iv) (B) (ii) & (iii) (C) (i), (ii) & (v). (D) (i), (iii), (iv) & (v).. 50. A violent storm with winds whirling around a small area of extremely low pressure, usually. characterized by a dark funnel-shaped cloud causing damage along its path is called ____. (A) Tornado (B) Cyclone (C) Tsunami (D) Hurricane SPACE FOR ROUGH WORK. Copyright©2015. Science Olympiad Foundation (SOF).

(27) Class 6 15th. SET A Year 2012. Copyright©2015. Science Olympiad Foundation (SOF).

(28) Class 6 | 15th NSO - SET A. 2. Mental Ability (D) XXV A. (A) 10 cm2. (B) 30 cm2. (C) 12 cm2. (D) 21 cm2. 3.. Number of unit cubes in the given figure is _____. (A) 25 (B) 26 (C) 27 (D) 28. 1 cm. I. J 1 cm G. H 1 cm F. 1 cm. The area of the adjoining figure is ______.. 1 cm. 1 cm D E. B. 1 cm. 2.. (C) XVIIX. 1 cm. 1. The value of XCII – LXV is ____.. (A) XLIV (B) XXVII. C. 1 of the total cows to his 4. A farmer has 11 cows. He purchased 5 more cows and wished to give 2 1 eldest son, to the middle son, and the remaining to the youngest son. The number of cows 4 each son (eldest to youngest) will get respectively is _____.. (A) 8, 8, 4 (B) 4, 4, 8 (C) 4, 8, 4 (D) 8, 4, 4 5. The length of a rectangle is (a + b) cm and the breadth is (a – b) cm. If b = 65 – 2a, where a is. 6.. the square of 5, then the area of the rectangle is _____. (A) 482 cm2 (B) 298 cm2 (C) 400 cm2. (D) 299 cm2. In the given question, there is a definite relationship between figures 1 and 3. Establish a similar relationship between figures 2 and 4 by selecting a suitable figure from the options that would replace the question mark (?) in figure 4.. (A). 7.. Kunal is facing the library. If he turns 270° anticlockwise he. (B). (C). (D). will be facing _______.. (A) Train Station . (B) Community Centre. (C) Mall. (D) Church. 3 8. In a class of 64 pupils, the ratio of the number of boys to the number of girls is 3 : 5. If of the 5 girls wear spectacles, how many girls do not wear spectacles ?. (A) 16 girls (B) 19 girls (C) 15 girls (D) 24 girls 9. If 'orange' is called 'butter', 'butter' is called 'soap', 'soap' is called 'ink', 'ink' is called 'honey' and 'honey' is called 'orange', which of the following is used for washing clothes ?. (A) Honey (B) Butter (C) Soap (D) Ink Copyright©2015. Science Olympiad Foundation (SOF).

(29) Class 6 | 15th NSO - SET A. 10.. 3. Number of lines of symmetry can be drawn in the given figure is ______. (A) 5 (B) 2 (C) 3 (D) 4. 11. Look at the given line graph carefully. The decrease in the number of members was the greatest in ______.. (A) 2001 . (B) 2002. (C) 2003. (D) 2004. 12. Simplify the given expression :. (–6) – [(–48) + (–12)] + (–2) – 6 + [(–12) ÷ (–3) × (–8)] (B) 12 (C) 14 (D) – 12. (A) – 14. 13. At a sale, Mohit paid ` 129.40 for 8 files and 4 pens. If a file and a pen costs ` 24.50 altogether, the cost of each pen is ______.. (A) ` 16.65 (B) ` 17.85 (C) ` 15.75 (D) ` 25 14. Three bells ring at intervals of 15, 20 and 30 minutes. If they all ring at 12 noon together, then time they ring together again is _____.. (A) 12 p.m. (B) 1 p.m. (C) 2 p.m. (D) 12 : 55 p.m. 15. The correct mirror-image of the fig.(X), if the mirror is placed vertically left is _____. . (A). (B). (C). (D). science 16. In the game of football, a goalkeeper stops a ball. It is because. (A) Friction between the ball and hand of goalkeeper (B) Decrease in speed of ball due to air resistance (C) Application of force by goalkeeper (D) All of these. 17. Which one of the following can be attracted by a magnet ?. (A). (B). (C). (D). X. 18. A boy spins one wheel of an upturned bicycle and mud particles. fly off. Which one of the following arrows shows the direction of movement of the mud which comes off at position X?. (A). (B). (C). Copyright©2015. Science Olympiad Foundation (SOF). (D).

(30) Class 6 | 15th NSO - SET A. 19.. 4. Which of the following statements about the size of image formed in a plane mirror is wrong ? (A) The image can be taller than the mirror. (B) The height of the image depends on the distance of object from the mirror. (C) The width of the image is the same as the width of the object. (D) The height of image depends on the height of the object.. 20. Sumit hangs a steel block on a spring. The block starts moving in the direction as shown in the figure. What force(s) is/are acting on the steel block ?. 1. Elastic spring force 2. Frictional force 3. Gravitational force (A) 1 only (C) 1 and 3 . Spring. Steel block. (B) 3 only (D) All 1, 2 and 3. 21. A student tries to magnetise a short steel rod. Which of the following tests will show that he has. succeeded? (A) Both ends of a magnet attract the rod. (B) One end of a magnet repels the rod. (C) The rod picks up a small piece of paper. (D) When freely suspended, the rod points in any direction.. 22.. Study the given diagram carefully and select the correct option. (A) Object X has rough surface. (B) Object X is a source of light. (C) Object X is made from a magnetic material. (D) Object X reflects light very well.. Light. Object X. 23. Which feature of a solid object cannot be changed by the application of a force ?. (A) Length (B) Mass (C) Shape (D) Speed 24. The two electrical circuits given here consist of similar bulbs and dry cells. Which of the following statements about the given circuits is correct?. (A) The bulbs in circuit Q are brighter than those in circuit P when all the switches are closed.. (B) If the middle bulb in circuit Q blows, at least one bulb will still be able to light up.. (C) All the bulbs in circuit P will not light up when the switch is open.. (D) One bulb in circuit P will light up when the switch is open. 25. A group of students carried out an experiment to find out how the force applied to pull the toy car up the ramp varied with the height of the ramp as shown in the given diagram. They varied the height by changing the number of the blocks.. (B). 0 Height of ramp . (C). 0 Height of ramp. Force. (A). Force. Which one of the following graphs best illustrates their results ? Force. (D). 0 Height of ramp. 26. A mixture contains tiny particles of three different Substances Properties of the particles substances P, Q and R. P, Q and R Same size and colour. Which of the following methods will be suitable Heavy, insoluble and non-magnetic P for separation of components of the mixture? Light, insoluble and non-magnetic Q. (A) Winnowing followed by magnetic separation Magnetic R. (B) Filtration followed by magnetic separation. (C) Sieving followed by sublimation (D) Hand picking followed by winnowing Copyright©2015. Science Olympiad Foundation (SOF).

(31) Class 6 | 15th NSO - SET A. 5. 27.. Which statement do you think is correct regarding the given changes? (A) From X to Y the change is reversible while Y to Z the change is irreversible. (B) From X to Y the change is irreversible while Y to Z the change is irreversible. (C) From X to Y and Y to Z the changes are irreversible. (D) From X to Y and Y to Z the changes are reversible.. 28. Diksha prepared the given flowchart for sorting the materials into different groups. Fill the blanks left by (i). (A) Glass. (B) Sugar. (C) Rubber. (D) Rubber. her from the given options. (ii) (iii) (iv) (v) Sugar Rubber Honey Petrol Rubber Glass Petrol Honey Glass Sugar Honey Petrol Sugar Glass Honey Petrol. 29. Jaya made a hole in the cap of a bottle and filled it with coloured water. She put a straw through the hole and kept the bottle in a pan of very hot water.. She observed that water starts coming out of the bottle in the form of a fountain and comes down when water cools down.. What does her experiment show ? (A) Air from the bottle comes out taking water with it. (B) Liquids expand on heating and contract on cooling. (C) The water changes into vapours and comes out of the bottle. (D) On heating, water vapours are converted into liquid which come out of the bottle.. 30. Study the given figures carefully. . What can be inferred from these figures?. (A) The gas particles have very less kinetic energy. . (B) The gas particles have a lot of space between them.. (C) Gases can be easily compressed.. (D) Both (B) and (C).. 31. Reshma took three beakers X, Y and Z containing cold,. warm and hot water respectively as shown in the figure. She added two table spoons of sugar to each beaker and stirred the solutions. After two minutes she observed the following.. Choose the correct statement(s) that explains her observations.. (i) The solubility of sugar decreases with increase in temperature. (ii) The solubility of sugar increases with increase in temperature. (iii) We can add some more sugar if we heat the water. (A) (i), (ii) and (iii) (B) (ii) and (iii) (C) (i) and (iii) Copyright©2015. Science Olympiad Foundation (SOF). (D) (iii) only.

(32) Class 6 | 15th NSO - SET A. 6. 32. It is actually a combination of evaporation and condensation. The process first involves heating in order to vaporize the liquid. The vapours of the liquid on cooling give pure liquid. This process is called _____.. (A) Chromatography (B) Sublimation (C) Filtration (D) Distillation 33. Jyoti burnt a candle. She collected the wax and heated it again in a dish.. Which of the following conclusions is correct? (A) Burning of candle is a chemical change while melting of wax is a physical change. (B) Both burning of candle and melting of wax are physical changes. (C) Both burning of candle and melting of wax are chemical changes. (D) Burning of candle is a physical change while melting of wax is a chemical change.. 34. Priya took a metal spoon, a wooden spoon, a plastic spoon and a glass rod. She dipped one end of each item into boiling water for five minutes and then touched the end extending outside the water. What were her observations and their inference regarding conduction of heat by these items?. (A) Metal and wooden spoon become hot at the other end which was outside water, hence metal and wood are good conductors of heat.. (B) Only metal spoon becomes hot hence metals are good conductors of heat while wood, plastic and glass are bad conductors.. (C) All the items become hot, hence all are good conductors of heat.. (D) Metal and plastic spoon become hot, hence metals and plastic are good conductors of heat while wood and glass are bad conductors. 35. Which of the following children made correct statement?. (A). (C). Mohan just can't stop sneezing on being exposed to dust. He is probably suffering from typhoid.. (B). It's not cold inside the room, but Rohan just can't stop shivering. He is probably suffering from malaria.. (D). 36. Riya is checking excess fat in her diet. In an outdoor trip, on feeling hungry, she picked three food packets D, E and F each of ` 10 cost. She read the nutritional information (per 100 g) printed on each food packets. Which among these food packets should she buy? Packet D Packet E Packet F Nutrients (Net weight 84.5 g) (Net weight 117 g) (Net weight 45 g) Carbohydrates. 66 g. 77 g. 40 g. Proteins. 7.4 g. 8.5 g. 10 g. Fat. 22 g. 10.9 g. 40 g. 13.8 g. 0. 0. Cholesterol. Energy (A) Packet D. 491 Kcal (B) Packet E. 440 Kcal (C) Packet F. Copyright©2015. Science Olympiad Foundation (SOF). 560 Kcal (D) None of these.

(33) Class 6 | 15th NSO - SET A. 7. 37. Which of the following is incorrect regarding the given figures?. (i). (A) (i) and (ii) – skeletal and muscular system involved (B) (ii) – reproductive system involved (C) (iii) – excretory system involved (D) (i), (ii) and (iii) – nervous system involved. 38. Abraham: Manju: . (ii). (iii). How will vehicles run if all the oil finishes? On CNG. I had seen on TV that vehicles which run on CNG give less smoke.. Uncle(laughing): That too comes from below the earth. It is also limited. Divya: Electricity can be used to run vehicles. I have seen an electric bicycle. Abraham: . We will have to do something. Or else, how will we travel when we grow up?. From the above discussion the conclusion is, we should _____. (A) Reduce our dependence on renewable resources. (B) Reduce our dependence on non-renewable resources. (C) Increase our dependence on renewable resources. . (D) Both (B) and (C).. 39. Beena’s husband is making a big mistake while putting out the fire as shown.. What should he do instead? (A) He should put out fire by a blanket. (B) He should put out fire by petrol. (C) He should put out fire using sand. (D) He should put out fire by blowing air.. 40.. Select the incorrect statement. (A) Water particles on heating become free from their existing arrangement to move faster and escape into the air. (B) In summer, due to heat, electric cables expand and hang loosely from poles. (C) Cooling a substance slows down the movement of its particles. (D) Water expands on heating, thus ice occupies more space.. 41. Which of the following traits is most likely inherited in children from their parents?. (A) Dimples in cheeks (B) Moving ears without holding them. (C) Voice quality (D) All of these 42. Earthquakes generate waves over the earth which can be obtained on paper in the form of graph called. (A) Seismograph (B) Seismogram (C) Richter scale (D) Seismosphere 43. The given picture shows Sunita Williams in the spaceship. Sunita shared her experiences of living. in space as following : l We could not sit at one place. We kept floating in the spaceship. l In space there was no need to use a comb. My hair kept standing all the time. Which of the following can explain these conditions in the spaceship? (A) Gravitational pull of moon is non-effective. (B) Gravitational pull of sun is non-effective. (C) Gravitational pull of earth greatly reduces. (D) Gravitational pull between various objects in a spaceship is very-very strong.. 44. Which natural calamity leads to famine?. (A) Flood (B) Drought. (C) Earthquake. Copyright©2015. Science Olympiad Foundation (SOF). (D) All of these..

(34) Class 6 | 15th NSO - SET A. 45.. 8. Which of the following is an incorrect step in the process of making vermicompost? (A) Take non-biodegradable wastes such as plastic, rubber, etc. (B) Dig a compost pit about 3 feet deep in a cool, shaded corner of the ground. (C) Put some redworms in the pit and cover them loosely with old cloth or grass. (D) Powdered egg shells or sea shells could be mixed with the wastes which help redworms in grinding their food.. 46. Which of the following activities would show that air is dissolved in water?. (A) Press a piece of cotton wool into the bottom of a tumbler. Hold the tumbler upside down and insert it into a bowl of water, without tilting it.. (B) Press steel wool into the bottom of the gas jar. Invert the gas jar into the bowl of water on two small wooden blocks so that there is space between the gas jar and the bowl.. (C) Take some water in a pan. Heat it gently on a gas burner. Observe the water as it begins to heat.. (D) None of these. 47.. The (A) (B) (C) (D). joint illustrated in the given figure is present in _____. Neck . Wrist Elbow Shoulder. 48. Megha’s brother brought a plant with the following features :. (i) Narrow and thin ribbon like leaves (ii) Reduced size of roots (iii) Long, hollow and light stem Her brother most likely brought this plant from _____. (A) Desert (B) Glacier (C) Forest. (D) Lake. 49. Many plants like eucalyptus, pine and rubber tree produce substances such as rubber and resin.. These products are _________ for these plants. (A) Stored food (B) Toxic wastes. 50. Select the correct pair.. (A) Vitamin C – Goitre . (C) Vitamin D – Anaemia . (C) Water reserve (B) Vitamin A (D) Vitamin B1. (D) Nutrients. – Rickets – Beriberi. SPACE FOR ROUGH WORK. Copyright©2015. Science Olympiad Foundation (SOF).

(35) Class 6 15th. SET B Year 2012. Copyright©2015. Science Olympiad Foundation (SOF).

(36) 15th NSO - SET B. 1. mental ability 1.. The traffic lights at three different road crossings change after every 72 seconds, 108 seconds and 132 seconds respectively. If they change simultaneously at 7 a.m., then the time they will change. again simultaneously is ______. (A) 7:39 am (B) 7:39:36 am. 2.. There is an amount of ` a with Rishab. He gave ` 30 to his father and distributed the remaining. (C) 7:36:39 am. (D) 7:36 am. amount equally among 'n' children of his colony. The share of each child is ______. a. . . 30 . (B) `  a −   n . (C) `  (a − 30) 1. (A) `  − 30  n . 3.. The fraction of shaded part of the given figure is ______. . (A) 2 . n. . (D) None of these. 7. 10 2 (D). 3. (B). 5 1 (C) 2. 4.. Namita faced South-West after she turned 225° clockwise.. The (A) (B) (C) (D). 5.. Which of the following numbers is divisible by 6 ? (A) 550690 (B) 80356 (C) 728931. 6.. If six friends are sitting around a circular table at equal distance from each other. Garima is sitting. direction she was facing at the start is ______. North North-West East North-East (D) 656364. second right of Latika who is exactly opposite to Megha. Megha is on immediate left of Beena, who is exactly opposite to Priya. Amita is also sitting at the table, then the person sitting between. Latika and Garima is ______. (A) Priya (B) Amita. 7.. The (A) (B) (C) (D). 8.. While preparing an article about travel for the. (C) Beena. missing number in the adjoining number pattern is _____. 64 80 96 192. (D) Megha ? 48 48 16 16 16 8 8 8 8 8 8 8 8 8. school newspaper, Kanika found the given graph of the activities of travellers in the United States for a certain year. Based on the information given in the graph, which statement is correct?. (A) More travellers went shopping than to all other events combined.. (B) More travellers went to cultural events/festivals than to historical sites/museums.. (C) More travellers went to beaches than to national/state parks and sport events combined.. (D) More travellers went shopping than to theme/amusement parks and sports events combined. Copyright©2015. Science Olympiad Foundation (SOF).

(37) 15th NSO - SET B 9.. 2. Simplify the given expression: 12 ÷ 3{– 4 + 8{– 3 + 2(– 7 + 10) + 3 × (8 – 2)} –1} (A) 46 (B) 652 (C) 42. (D) None of these. 10. Look at the given image carefully and answer the question. . Number of letters that have at least one line of symmetry is _____. (A) 1 (B) 2 (C) 3. (D) 4. 2 times as much money as Sanchi. If Meetu used 1/3 of her savings to buy a 5 handbag, then the new ratio of Meetu's savings to their total savings is _____.. 11. Meetu saved 2. (A) 5 : 13. (B) 8 : 13. (C) 8 : 17. (D) 8 : 5. 12.. Which of the following statements is INCORRECT ? (A) Two distinct lines meeting at a point are called intersecting lines. (B) Two lines in a plane are said to be parallel if they do not meet. (C) A reflex angle is shorter than a straight angle. (D) One full turn of the hand is one revolution.. 13. The given figure is formed by 5 identical 4 cm squares. . (C) 64 cm. (D) 76 cm. (C) 32. (D) 33. The perimeter of the whole figure is _____. (A) 100 cm (B) 48 cm. 14. The best estimation for 92.3 ÷ 3 is ______.. (A) 30 (B) 31. 15. In the given question there is a definite relationship between figures P and Q. Establish a similar relationship between figures R and S by selecting a suitable figure from the options that would replace the question mark (?) in fig. (S). Problem Figures. (A). (B). (C). (D). science 16. Two identical metal balls A and B moving in opposite directions hit each other at point X as shown in the figure. Changes are most likely to be appear in their . 1. Shapes (A) 1 and 3 only. 2. Speeds 3. (B) 2 and 3 only. Directions (C) 2 and 4 only. A. X. B. 4. Volumes (D) 1, 2 and 3 only. 17. Study the set-up given here. Which of the following options shows the correct shape of the shadow formed on the screen ?. (A). (B). (C). (D). 18. Magnets lose their properties if. (A) Left in the open (B) Heated strongly. (C) Dropped from a height (D) Both (B) and (C). Copyright©2015. Science Olympiad Foundation (SOF).

(38) 15th NSO - SET B. 3. 19. In which of the following arrangements of electrical circuits will the bulb(s) be the brightest, assuming that all the bulbs and dry cells are identical? (A). (B). (C). (D). 20. Shaving blades are usually made of steel. They will be ________.. (A) Attracted by a magnet (B) Repelled by a magnet . (C) Attracted only by natural magnets (D) Unaffected by magnets 21. The surfaces which cannot produce clear images are called ________.. (A) Rough surfaces (B) Ideal surfaces (C) Smooth surfaces. (D) Curved surfaces. 22. The graph shows the length of a spring when different weights are hung from it. The spring extends by _____ when an 80 g weight is. hung from it. (A) 4 cm (B) 6 cm (C) 8 cm (D) 10 cm. 23. Most of the electricity carrying wires near highways do not have a plastic covering like the wires used for domestic purposes. But there is no substantial loss of energy because. (A) Air is a bad insulator of electricity (B) Air is a bad conductor of electricity. (C) Electricity flows very fast near highways (D) Both (B) and (C) 24. Sanjay uses a spring balance to pull a wooden block over a tiled floor.. Which of the following factors will affect the amount of force Wooden block needed to pull the wooden block?. (1) The mass of the spring balance. Spring balance. (2) The mass of the wooden block. (3) The surface of the tiled floor. (4) The surface of the wooden block that comes in contact with the tiled floor. (A) 1 and 4 only (B) 2 and 3 only (C) 2, 3 and 4 only (D) 1, 2, 3 and 4 25. All stars appear to move from. (A) East to West (B) West to East. (C) North to South. (D) South to North Metal tray. 26. A metal tray was used to cover a beaker of boiled water as shown in the diagram. The beaker and metal tray were then removed from the tripod stand and left on the table.. After two minutes, which of the following can be observed?. (A). (B). 27.. Water. Bunsen burner. (C). (D). Change P : Coconut oil in winter solidifies. When we leave it in the sunlight, it liquifies again. Change Q : In winters, when iron gate of park is exposed to moist air, it gets rusted. What type of changes are P and Q? (A) P – Chemical change, Q – Reversible change (B) P – Physical change, Q – Chemical change (C) P – Chemical change, Q – Physical change (D) P – Reversible change, Q – Physical change Copyright©2015. Science Olympiad Foundation (SOF).

(39) 15th NSO - SET B. 4. 28. Smriti took four beakers containing equal amount of water. She wanted to check solubility of some solids like sugar, salt, chalk powder and saw dust. She added the solids to each beaker, stirred the contents with a stirrer and waited for some time. What did she observe?. (A) (B) (C) (D). Sugar and chalk powder are soluble in water while salt and saw dust are insoluble. Sugar, salt and chalk powder are soluble in water while saw dust is insoluble. Sugar, salt, chalk powder and saw dust are soluble in water. Sugar and salt are soluble in water while chalk powder and saw dust are insoluble.. 29. To separate constituents of a mixture, Jaya adopted the following method. Evaporation Mixture Filtration Solution Solid . Solid. What could be the composition of the mixture? (A) Water + Sugar + Salt (C) Water + Chalk powder + Saw dust. (B) Water + Sand + Saw dust (D) Water + Saw dust + Sugar. 30. Ranjan placed four different materials M, N, O and P of equal length into a shallow dish containing 180 mL of water with some black dye added into it. The shaded portion shows the amount of coloured water absorbed by the materials. Which one of the following conclusions. about the materials is correct ? Best absorbent Least absorbent (A) P O (B) O N (C) M N (D) O P. . 31. Vijay conducted an experiment to compare the heat conductivity of four different materials P, Q, R and S. Thumbtacks were fixed with wax on each material and then the materials were stacked on top of each other as shown in the diagram.. Vijay recorded his results in the table as given below. Material. P. 5. Q. 6. R. 2. S. 4. Candle. What can be inferred from his experiment?. (A) (B) (C) (D). R is a better conductor of heat than material S. S is a better conductor of heat than material R. Q is a better conductor of heat than material P. P, Q, R and S are equally good conductors of heat. Copyright©2015. Science Olympiad Foundation (SOF). Thumbtack Wax. Support. Material Material Material Material. Material P Material Q Material R Material S. Time taken for thumbtacks to drop (minutes).

(40) 15th NSO - SET B. 5. 32. The table below shows the properties of four substances K, L, M and N.. Substance. Colour. Taste. Magnetic. Dissolves in water. K L. White. Salty. No. Yes. Blue. Sweet. No. No. M. White. Sweet. No. Yes. N. Black. Metallic. Yes. No. Which two substances would be most difficult to separate when mixed in water? (A) K and L (B) K and M (C) L and M (D) M and N. 33. Study the given diagram carefully and choose the correct option.. (A) X – Solid, Y – Liquid, R – Heating . (B) Y – Gas, Z – Liquid, T – Heating. (C) X – Solid, Z – Gas, P – Freezing. (D) Y – Gas, X – Liquid, Q – Cooling. 34. The given table shows the properties of four items.. Which of the items is correctly described?. Items. Occupies space. Definite shape. Definite volume. Can be compressed. Sponge. . ×. ×. ×. Clay ball. . . . ×. Oxygen. . ×. . ×. Cough syrup. . ×. ×. . (A) Sponge . (B) Clay ball. (C) Oxygen. (D) Cough syrup. 35.. Rohan described a seed as follows: (i) It has a fibrous covering that makes it unwettable. (ii) It is large in size but is comparatively light in weight. (iii) It is obtained from plants that are extensively found along sea shores. Which of the following means of seed dispersal would most likely help in its dispersal? (A) Wind (B) Water (C) Explosion (D) Animals. 36. Aparna is a doctor. She maintains records of her patients. Patients's name. A page of her record book is shown here. Sohan. Which patients can make her diseased?. (A) Sohan and Gaurav. (B) Ria and Mitali. (C) Gaurav and Ria. (D) Sohan, Gaurav, Mitali and Ria. 37.. Read the following statements. (i) I am present in air. . (iii) Your body needs me to produce energy. These statements are regarding ______. (A) Carbon dioxide (B) Nitrogen. the (A) (B) (C). Anaemia. Gaurav. Ringworm. Mitali. Obesity. Ria. Measles. (ii) I enter your lungs when you breathe in.. (C) Hydrogen. (D) Oxygen. 38. Which of the following characteristics is correct about . Disease. given animals? They have very delicate bodies. They can retract their bodies into their shells when disturbed. They live in empty shells of other animals. (D) They all are aquatic animals. Copyright©2015. Science Olympiad Foundation (SOF).

(41) 15th NSO - SET B. 6. 39. Saurabh's mother called him for dinner. She prepared his thali as shown in the given figure. Which essential. nutrient is significantly absent in his dinner thali? (A) Proteins (B) Carbohydrates (C) Fats (D) Vitamins. 40. Which of the following children have negative approach towards conservation of wildlife?. (A) Meenu and Sakshi . (B) Sakshi and Harsh. (C) Meenu and Harsh. (D) Meenu, Sakshi and Harsh. 41.. Foods like meat, fish, vegetable, etc., can be stored for a longer period in a freezer because ____. (A) Microorganisms are unable to respire in cold environment. (B) Microogranisms present in food die at low temperature. (C) Microorganisms present in food cannot grow and reproduce at low temperature. (D) All of these. 42. The given statements summarize the process of digestion but are not given in correct sequence. Arrange them in sequence and select the correct option.. P. Absorption of water. Q. Churning of food and addition of digestive juices. R. Mixing with saliva. S. Complete digestion of food and absorption of nutrients. T. Explusion of faeces. (A) R → Q → S → P → T (B) R → S → Q → P → T. (C) R → Q → P → S → T (D) R → P → Q → S → T 43. The given figure shows plant parts labelled as P, Q, R and S. Which of the following options correctly list the plants in which. labelled part is edible? (A) P – Sugarcane, Potato, Sweet potato (B) Q – Maize, Cauliflower, Cabbage (C) R – Rajma, Soyabean, Pea (D) S – Ginger, Carrot, Onion. P R Q S. 44. Petrol is refined from the crude oil obtained from oil wells. Besides petrol, crude oil can also give. _______ . (A) Kerosene. (B) Wax. (C) LPG. (D) All of these. 45. Jahnvi made paste of two food items P and Q each and put them in two test tubes. She added dilute iodine solution to food item P, while copper sulphate solution and caustic soda to food item Q. She observes that P turned blue-black and Q turned purple.. Which of the following is correct regarding this?. (A) Q is a starch rich food. (B) P is a protein rich food.. (C) Q is a fat rich food. (D) P is a starch rich food. Copyright©2015. Science Olympiad Foundation (SOF).

(42) 15th NSO - SET B. 7. 46. Refer the given flowchart and select the correct option.. (A) X – Flax, Y – Silk. (B) W – Cotton, Y – Silk. (C) W – Flax, Z – Wool. (D) X – Jute, Z – Wool. . 47. Shruti took a white carnation flower and split its stalk halfway along the length and arranged a setup as shown in the given figure. After some time, she observed that half of the petals turned blue and half turned red. A section through stem also showed blue and red coloured areas.. What can she infer from this experiment? . (A) (B) (C) (D). 48.. Refer the given figure and select the correct option. (A) X type of joint shows no movement at all. (B) Y type of joint is also present in our elbow. (C) X type of joint is also found in between vertebrae. (D) Both (A) and (B). Stem Stem Stem All of. White carnation. conducts water to all plant parts. has localized structures for conduction of water. conducts solutes alongwith water. these. Redcoloured water. . Bluecoloured water. X Y. 49. Read the given statements and select the correct option.. Statement 1 : Trees growing on high altitudes like mountains have needle-like leaves.. Statement 2 : High altitudes are cool regions as temperature decreases with increasing altitude. (A) Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1. (B) Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1. (C) Statement 1 is true but statement 2 is false. (D) Statement 1 is false but statement 2 is true.. 50.. Which of the following statements is incorrect? (A) Heat moves from hotter regions to colder regions. (B) Woollen clothes block the flow of heat from our body to the surroundings. (C) Woollen clothes block the flow of heat from the surroundings to our body. (D) Blocking the flow of heat with layers of insulating material could prevent ice from melting. SPACE FOR ROUGH WORK. Copyright©2015. Science Olympiad Foundation (SOF).

(43) Class 6 16th. SET A Year 2013. Copyright©2015. Science Olympiad Foundation (SOF).

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