MENTAL ABILITY
1. Fill in the blank :
The line segment joining a vertex of a triangle to the mid-point of its opposite side is called a ______ of the triangle.
(A) Altitude (B) Median (C) Hypotenuse (D) None of these
2. Which of the following solids is made of the greatest number of unit cubes ?
(A) (B) (C) (D)
3. A freezing process requires the room temperature to be lowered from 40°C at the rate of 8°C every hour. The room temperature 4 hours after the process begins is _______.
(A) –8°C (B) 8°C (C) 72°C (D) –72°C
4. What is the smallest number of squares that must be added so that the line
AB becomes a line of symmetry?
(A) 5 (B) 4 (C) 2 (D) 3
5. The entrance charges for a resort are shown in Entrance Fee ` 200 per car
Monday to Friday ` 75.50 per passenger
Saturday and Sunday ` 110.50 per passenger
Parking charges ` 40.50 per hour
the given table.
Mr. Rajiv drove to the resort with his wife Radhika and three children on Saturday at 1.30 pm. They left the resort at 8 p.m on the same day. How much did Mr. Rajiv and his family have to pay in all ?
(A) ` 1015.75 (B) `1076.50 (C) `815.50 (D) `1036
6. Find the missing figure in the given series ?
(A) (B) (C) (D)
7. Megha's salary in September was ` 18,000. Her salary in October was ` 16,000. What was the percentage decrease in her salary?
(A) 12.5 % (B) 8.8 % (C) 11.11 % (D) 7.5 %
8. Mohit borrowed ` 12,000 from his friend. He gave ` 2000 at 18% and the remaining amount at 15%. How much interest did he pay in 3 years?
(A) ` 5580 (B) ` 8550 (C) ` 5508 (D) ` 5055
9. If the code of RIGHT is SGJDY, what is UPDZJ the code for?
3
10. Beena bought 7
8 m of cloth. She used 2
3 m to sew a dress and 1
3 m of the remainder for a skirt. How much cloth did she have left?
(A) 1 8 m (B) 7 36 m (C) 5 m 72 (D) 5 m 36
11. Amit, Priya, Latika, Garima and Rahul all go into a shop.
l Only Garima buys a samosa.
l Priya, Latika and Rahul buy a chocolate each. l Everyone except Priya buys an ice cream each. l Priya is the only one who buys toffees.
l Nobody except Amit and Latika chooses a burger. l Each of the girls buy a packet of chips.
Which child buys the most number of items?
(A) Priya (B) Garima (C) Latika (D) Amit
12. In the given figure, PQ = PR and S is the midpoint of QR. Then
DPSQ @ DPSR by ________ congruence.
(A) SAS (B) SSS
(C) Both (A) and (B) (D) None of these
13. What is the average number of ribbons made by the 5 girls ?
(A) 42 (B) 50 (C) 45 (D) 48
14. Which of the following conditions is INCORRECT on the basis of the given figure, where l || m?
(A) ∠3 + ∠5 = 180° (B) ∠3 =∠6
(C) ∠2 = ∠6 (D) ∠1 + ∠4 = 180°
15. Rohan is 12 years older than Kareena. After four years, Rohan's age will be equal to thrice the age of Kareena. Find the present age of Rohan.
(A) 2 years (B) 12 years (C) 14 years (D) 4 years
SCIENCE
16. The warm water is poured slowly into a beaker of ice cubes as shown in figure. Which of the following options is correct, when the warm water was poured into the beaker ?
1. The ice starts to melt. 2. The glass expands.
3. The temperature of the ice increases
4. The temperature of the warm water decreases.
(A) 1 and 4 only (B) 2 and 4 only (C) 1, 3 and 4 only (D) All of these
17. In which direction does the frictional force always act on an object moving across a horizontal surface?
(A) In the direction of the gravitational force (B) Opposite to the direction of the gravitational force (C) In the direction of motion (D) Opposite to the direction of motion
18. The graph shows the first few seconds of a car's journey. From the graph it can be seen that the car travels
(A) At increasing speed and then stops (B) At constant speed and then slows down
(C) With constant acceleration and then at constant speed (D) With constant acceleration and then stops
19. In the game of basketball, the ball is bounced (with no spin) towards a player at an angle of 40 degrees to the normal. What will be the angle of reflection?
(A) 30° (B) 45° (C) 60° (D) 40°
20. How does cyclone decrease the fertility of the soil in the coastal areas?
(A) By flooding the land with saline water (B) By dissolving soil and rocks
(C) By increasing the water table of the place (D) By decreasing the water table of the place
21.
In the figure Y, magnet P is experiencing ________.
1. Magnetic force of repulsion 2. Magnetic force of attraction
3. Elastic spring force 4. Gravity
(A) 1 and 3 only (B) 1 and 4 only (C) 2 and 3 only (D) 2 and 4 only
22. The temperature shown by a mercury-in-glass thermometer increases. Which of the following is constant?
(A) Density of the mercury (B) Internal energy of the mercury (C) Mass of the mercury (D) Volume of the mercury
23. When an electron moves from negative electrode to positive electrode,
(A) Negative charge moves from negative electrode to positive electrode (B) Positive charge moves from positive electrode to negative electrode (C) No charge flows from either electrode to other electrode
(D) Both (A) and (B)
24. Which of the following is not caused by friction or resistive forces?
(A) A match lightning as it strikes a match box. (B) A car braking to a stop.
(C) A pebble accelerating as it falls to the ground. (D) A meteor glowing as it falls through the atmosphere.
25. The average velocity of a body is equal to mean of its initial velocity and final velocity. The acceleration of the body is
(A) Variable (B) Zero (C) Negative (D) Uniform
26. A reaction is carried out in a test tube as shown in figure. A gas comes out with hissing sound and bubbles. Which of the given test will
confirm the presence of the gas which comes out?
(A) Bring a burning splinter near the mouth of the gas tube, it burns brightly. (B) Pass the gas into lime water, it turns milky.
(C) Pass the gas in red litmus solution, it turns blue.
5
27. Shuchi conducted an experiment to find the amount of light that could pass through four different materials. She recorded her results in the table below.
Material Amount of light (lux)
P 30
Q 120
R 0
S 60
Which of the above material is most suitable for making the lens of the magnifying glass?
(A) P (B) Q (C) R (D) S
28. The table below shows the colours and solubilities of four solids in water.
Solid Colour Solubility in water
W Blue Insoluble
X Blue Soluble
Y White Insoluble
Z White Soluble
A mixture containing two solids is added to excess water, stirred and filtered.
A blue filtrate and a white residue are obtained. Which two solids are present in the mixture?
(A) W and X (B) W and Y (C) X and Y (D) X and Z
29. Five solutions have been taken in five test tubes labelled as A, B, C, D and E. They are tested with four indicators and the observations are recorded.
Solution Methyl Orange Blue litmus Red litmus Phenolphthalein
A Red Red Red Colourless
B Red Red Red Colourless
C Yellow Blue Blue Pink
D Orange Blue Red Colourless
E Red Red Red Colourless
Which of the above solutions can neutralise each other?
(A) A and B (B) D and E (C) B and C (D) B and D
30. Some blobs of wax are placed on a silver ring as shown in the diagram. If the ring is heated at X, then choose the correct option regarding the melting of wax because of heating.
(A) Only R blob melts. (B) Blobs R, S and Q melt together.
(C) Melting of blobs occurs in the order R, Q, S and P. (D) P, Q, R and S blobs melt together.
31. Reena prepared China rose indicator by keeping the petals of the flower in hot water for some time. She used the coloured solution for testing three solutions A, B and C. Solution A turns to dark pink, solution B remains light pink and solution C turns to green. Mark the correct option.
Solution A Solution B Solution C
(A) Lemon juice Sugar solution Milk of magnesia
(B) Lemon juice Orange juice Sugar solution
(C) Orange juice Vinegar Salt solution
(D) Salt solution Milk of magnesia Lemon juice
32. The given flow chart is used to show some similarities and differences among four objects P, Q, R and S. One of the objects is a copper coin.
Identify the copper coin from the given information.
(A) P (B) Q (C) R (D) S
33. The given diagram shows a covered cup of hot chocolate. After some time, most of the heat from the hot chocolate is lost to the surroundings through the _________.
(A) Steel lid (B) Marble tile
(C) Foam cup (D) Wooden table
34. Observe the given Venn diagram. What does X and Y show ?
(A) X - Jute, Y - Flax (B) X - Flax, Y - Jute (C) X - Jute, Y - Cotton (D) X - Cotton, Y - Jute
35. Priya wants to test presence of proteins in some food items. She took a cup of milk, some groundnuts and a raw potato. She made a paste of raw potato and powder of groundnuts by mashing and grinding them. She put equal quantities of three food items in three different test tubes and added, using a dropper ten drops of water, two drops of copper sulphate solution and ten drops of caustic soda solution to each test tube. She shook well all the three test tubes and let them stand for a few minutes.
What result would she get for the test she performed ? [(+) indicates violet colour]
Potato Groundnuts Milk
(A) +++ ++++ +
(B) ++++ – ++
(C) – + ++++
(D) + +++ –
36. Read the given activity. What would you most
Take a potted plant. Put it in a cardboard box and close the box. Make a hole on one side of the cardboard box in such a way that light enters only through this hole. Keep watering the plant regularly for a few days.
Activity likely observe for the plant and why ?
(A) The plant would bend towards the hole because it has
to exchange gases through hole.
(B) The plant would grow upright inside the box because it
is getting all the essential requirements for growth.
(C) The plant would grow upright inside the box because it is not getting direct sunlight. (D) The plant would bend towards the hole because plant responds to light.
7
37. Arpita took a strip of blotting paper of 3 cm × 5 cm and clipped one half on the upper surface and the other half on the lower surface of a leaf. What would she most likely observe after one hour ?
(A) Blotting paper clipped on the upper surface is more wet. (B) Blotting paper clipped on the lower surface is more wet. (C) Blotting paper is equally wet on both the surfaces of the leaf. (D) The observation cannot be predicted.
38. Leaves may be simple or compound. Which of the given figures can be called as compound leaves?
(A) (a) only (B) (b), (c) and (d)
(C) (a) and (d) (D) All of these
39. Which among the following is an odd one ?
(A) Desert : Stems store water
(B) Pond : Animals with streamlined bodies
(C) High altitude : Increase in RBC
(D) Rainforests : Camouflage to escape from enemies
40. Which of the following encloses the portion of your body below the stomach ?
(A) (B) (C) (D)
41. Charkha is used for ______.
(A) Spinning (B) Ginning (C) Weaving (D) Knitting
42. "Fats are stored beneath the skin and around the heart and kidneys". It is because _______.
(A) When we are short of energy, our body uses stored fats (B) The stored fats in our body help to keep us warm
(C) Fats act as shock absorber and protect internal organs from injury (D) All of these
43. Select the correct pair.
(A) Spinach – Leaves (B) Carrot – Stem
(C) Cauliflower – Roots (D) Onion – Flowers
44. The function of scissors is synonymous with the function of _____.
(A) Incisors (B) Premolars (C) Canines (D) Molars
45. Match Column-I with Column-II and select the correct option from the codes given below.
Column-I Column-II
(a) Salivary gland (i) Breaks down fats
(b) Intestinal gland (ii) Breaks down proteins into peptides
(c) Pancreas (iii) Breaks down peptides into amino acids
(d) Liver (iv) Breaks down starch into sugar
(A) (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i) (B) (a)-(i), (b)-(ii), (c)-(iii), (d)-(iv) (C) (a)-(ii), (b)-(iii), (c)-(i), (d)-(iv) (D) (a)-(iv), (b)-(ii), (c)-(iii), (d)-(i)
46.2 Which of the following is incorrect regarding exhalation process in breathing mechanism ?
(A) Air moves out. (B) Diaphragm relaxes.
(C) Chest cavity becomes smaller. (D) External intercostal muscles contract.
47.2 Garima took a plant and placed it in the dark for 24 hours to de-starch its leaves. After that she performed an activity as shown here.
(i) She put one leaf (marked as X) in clean plastic bag containing soda lime and another leaf (marked as Y) in a clean plastic bag containing water. Then she left the plant in sunlight for 6 hours.
(ii) She took out the leaves and boiled them in alcohol. (iii) She performed the iodine test on the leaves.
Select the option with correct iodine test results and the conclusions of the activity.
Leaf X CO2 is necessary Leaf Y CO2 is necessary
(Iodine test) for photosynthesis (Iodine test) for photosynthesis
(A) Yes No
(B) Yes Yes
(C) No Yes
(D) No No
48. 'Silk has come under fire from animal rights activists'. Why ?
(A) Because female silkmoth is reared to lay hundreds of eggs at a time. (B) It takes approximately 630 cocoons to make a silk blouse.
(C) Cocoons are collected and put into very hot water, killing the silkworm inside them. (D) After hatching, the silkworms are fed on mulberry leaves continuously for six weeks.
49. Sandeep has three soil samples X, Y and Z, each with weight 50 g. 100 mL of water is poured drop by drop with the help of a dropper on all the soil samples. The given graph shows weight of water absorbed by each soil sample.
Select the correct option regarding the soil samples.
(A) X is a mixture of sand, silt and a good amount of clay. (B) Y is a mixture of sand, silt and appropriate amount of clay. (C) Z is a sandy soil with very little clay.
(D) Z is a mixture of clay and silt with higher amount of sand.
50. The given figure shows _____.
(A) Seed dispersal carried out by explosion (B) Seed dispersal carried out by wind (C) Seed dispersal carried out by insect (D) Seed dispersal carried out by sunlight