2
| 15th NSO | Level-II | Class 5
mental ability
1. 48 is a common multiple of number X and number y. the number X is 3 times of the number y.
the sum of digits X is 6. total number of factors of the number X is _____.
(a) 6 (b) 7 (C) 5 (D) 8
2. Prerna is standing at point P, facing shop b. Which shop is located to her West?
(a) Shop H
(b) Shop G (C) Shop F (D) Shop D
3. Select the correct match.
Figure number of Horizontal lines number of Vertical lines
(a) 3 5
(b) 3 12
(C) 2 3
(D) 2 2
4. two corners of a square napkin are folded as shown. Find the area of the napkin when it is unfolded.
(a) 184 cm2 (b) 169 cm2 (C) 225 cm2 (D) 240 cm2
5. How many minimum square(s) must be shaded to make the given figure symmetric?
(a) 0 (b) 1 (C) 2 (D) 3
6. How many hundreds are there in 9310 × 59?
(a) 49 (b) 92 (C) 29 (D) 290
7. Find the difference between 5th multiple and 6th multiple of the quotient when 1617 divided by 7.
3 15th NSO | Level-II | Class 5 |
9. the tables and chairs in a room are arranged as shown.
if 14 tables are used, how many chairs are there?
(a) 64
(b) 56
(C) 60 (D) 52
10. Count the number of triangles in the given figure.
(a) 30 (b) 28 (C) 32 (D) 36
11. if AB is 3rd multiple of 4, GF is one less than the first odd prime number, BC is the common factor of 2 and 8 other than 1, and AG is one-fourth of BC, then find the difference between shaded and unshaded perimeter of the figure. (Not drawn to scale)
(a) 24 units
13. in a class Vidya ranks 7th from the top. Divya is 7 ranks ahead of megha and 3 ranks behind Vidya.
Sushma who is 3rd from the bottom is 32 ranks behind megha. How many students are there in the class?
(a) 49 (b) 50 (C) 52 (D) None of these
14. in the given question, four words are given, out of which three are same in a certain way. Find the odd one.
(a) Scalene Triangle (b) Right Triangle (C) Isosceles Triangle (D) Triangle
15. Shristi places a pan filled with ice on the gas stove. If the temperature increases by 5°C every minute, how long will the water take to boil?
(a) 1500 seconds (b) 1200 seconds (C) 1000 seconds (D) 500 seconds
SCienCe
16. _______ is also used in the industries which manufacture plastics, paints, fertilizers and cosmetics.
Select the correct word to fill the blank.
(a) Limestone (b) Petroleum (C) Coal (D) Peat
4
| 15th NSO | Level-II | Class 5
17. Communicable diseases pass from one person to another through different modes of transmission. Which disease can spread through the mode of transmission as shown in the given figure?
(a) Osteoporosis (b) Kala-azar
(C) Typhoid (D) Influenza
18. Study the fishing rod as shown. It uses two different simple machines. What are they?
(a) Pulley and inclined plane (b) Pulley, wheel and axle (C) Wheel, axle and gear
20. Which of the following appliances, when in use, show a conversion of electrical energy into kinetic energy?
(a) P and Q (b) P and R
(C) Q, R and S (D) R and S
21. Four identical syringes were filled with different substances as shown. In which syringe will the plunger move the fastest when pushed in ?
(a) (b) (C) (D)
22. the given diagram shows two organs labelled as X and y. Select a correct option about the difference between these two organs.
(a) Organ Y contains undigested food but organ X contains digested food.
(b) Digested food is absorbed in organ Y but water is absorbed in organ X.
(C) Organ X secretes intestinal juice but organ Y secretes bile juice.
(D) All of these
23. the graph shows the length of the shadow of a flagpole at different times in a day. What will be the approximate length of the shadow at 3 p.m.?
(a) 1 m1
2 (b) 2 m
(C) 3 m1 (D) 5 m
5 15th NSO | Level-II | Class 5 | 24. latika cut away the outer ring of the stem of a plant as
shown. the cross-section of the stem, W – X, is also shown. What would possibly be latika's observation after a week?
(a) Branch P would die.
(b) Branch Q would die.
(C) Both branches P and Q would die.
(D) Both branches P and Q would survive.
25. Which of the following joints allows the greatest freedom of movement ?
(a) (b) (C) (D)
26. Amit set up an experiment as shown in the figures. In which petri-dish seeds would grow into seedlings successfully?
(a) (b)
(C) (D)
27. the given diagram shows a stage 'X' in the life cycle of an organism.
Which of the following organisms will come out in the next stage of development?
(a) (b) (C) (D)
28. Five objects, D, e, F, G and H, of the same volume but different masses, are put into a tank of water as shown. Which of the following is most likely to be the mass of object H?
(a) 35 g (b) 48 g
(C) 64 g (D) 80 g
29. in which layer of the atmosphere, changes in the weather occur?
(a) Thermosphere (b) Stratosphere (C) Troposphere (D) Mesosphere 30. Which of the following is a correct match?
Seeds mode of dispersal (a) Light, have hair or wings Rain
(b) Spongy or have fibrous covering Wind
(C) Have hooks or spines Animals
(D) Explode when dry Water
6
| 15th NSO | Level-II | Class 5
31. Vinod made use of the given flowchart to find out whether a steel rod(object) works like a magnet, or is magnetic or non-magnetic material. the points J, e, F, G and H are called 'exit points'.
Which 'exit point' would Vinod get for the steel rod?
(a) E (b) F
(C) G (D) H
32. Which of these we must follow to prevent harming our eye sight?
(a) Always read in dim light or very bright light. (b) Always avoid reading in a moving vehicle.
(C) Always hold your book within a foot of distance. (D) All of these
33. a lunar eclipse occurs when the _____ comes in between the ______ and the ______.
(a) Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1.
(b) Both statements 1 and 2 are correct but statement 2 is not the correct explanation of statement 1.
(C) Statement 1 is correct and statement 2 is incorrect. (D) Both statements 1 and 2 are incorrect.
35. Which of these should not be done in case of a gas leak?
(a) (b) (C) (D) Both (B) and (C)
36. Observe the picture. Which system(s) of the boy's body is/are involved in helping him to escape?
(d) Skeletal system (e) muscular system
(f) Circulatory system (g) Respiratory system
(a) (d) only (b) (d) and (e)
(C) (d), (e) and (f) (D) (d), (e), (f) and (g)
37. the given diagram shows two plants X and y. Select the correct option regarding the difference between the two.
(a) Plant X can make its own food and plant Y can partly make its own food.
(b) Plant X cannot make its own food but plant Y can make its own food.
(C) Plant X depends partly on animals for food but can also make its own food while plant Y cannot make its own food.
(D) Plant X cannot make its own food while plant Y depends on decaying matter for food and can also make
7 15th NSO | Level-II | Class 5 | 38. Polar bears are adapted to live in the arctic region. Which of these are necessary adaptations for
cold habitats? (C) Beans, nuts , pulses, fish (D) Butter, cheese, sugar, milk 40. Volume is usually measured in ______, ______ and _______.
(a) Centimetres, Millilitres, Litres (b) Cubic centimetres, Millilitres, Litres (C) Cubic centimetres, Metres, Litres (D) Kilometres, Metres, Litres
41. Kanika is making a cup of tea for her mother and wonders how she can dissolve the sugar in the cup of tea more quickly. Which of these suggestions would help her?
(i) make the tea hotter (ii) Put the tea in a smaller cup (iii) Stir the tea slowly (iv) add smaller particles of sugar
(v) Stir the tea well (vi) Have a bigger volume of tea
(a) (i), (ii), (iii) and (iv) (b) (iv), (v) and (vi) (C) (i), (iii), (iv) and (vi) (D) (i), (iv), (v) and (vi) 42. a beaker of iced water was heated until it boiled.
it was then left to cool to room temperature.
the temperature of the water was taken at intervals of four minutes and the results were used to draw the graph as shown in the given figure. approximately how long did the boiling water take to cool to room
temperature ?
(a) 6 minutes (b) 12 minutes (C) 16 minutes (D) 28 minutes
43. in what way are the ferns similar to the fungi?
(a) Both make their own food. (b) Both need sunlight to grow.
(C) Both reproduce from spores. (D) Both can be found on living trees.
44. Which of these methods of separation is inefficient to remove soluble impurities?
(a) Distillation (b) Filtration (C) Evaporation (D) Chlorination
45. Some candle wax is dripped on a metal bar. A flame is then placed below the bar as shown in the
(a) Sulfur dioxide, Nitrogen, Carbon dioxide and Ozone (b) Oxygen, Carbon dioxide, Ozone and Methane
(C) CFC, Oxygen, Nitrogen and Carbon dioxide
(D) Methane, Carbon dioxide, Nitrous oxide and Water vapour
8
| 15th NSO | Level-II | Class 5
47. Which storm moves quickly in a narrow path and has rotating winds upto 300 miles per hour that kick up a cloud of dirt and debris?
(a) Hurricane (b) Thunderstorm (C) Tornado (D) Monsoon
48. Which child will be able to see the pin at the end of the straw?
(a) (b) (C) (D)
49. the food chains can be represented with pyramid of numbers such as d, e and f as shown here.
How the following food chains (i) and (ii) could be represented with pyramids d, e and f?
(i) Grass → Sheep → man
(ii) lime tree → Caterpillars → mynas (a) (i) - d, (ii) - e (b) (i) - d, (ii) - f (C) (i) - e, (ii) - f (D) (i) - d, (ii) - d
50. Select the odd one out on the basis of causative agent.
(a) Cholera (b) Measles (C) Whooping cough (D) Tuberculosis
SPaCe FOR ROUGH WORK