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SAMPLEPAPER
7
2 13 th NSO | LevelI | Class 7 SetB
MENTAL ABILITY
1. The length of a room is 5.048 × 10 2 cm. Which is equivalent to this length?
(A) 0.005048 cm (B) 0.05048 cm (C) 504.8 cm (D) 5048.00 cm
2. Soha has x pencils. Tina has 3 more than twice the number of pencils that Soha has. Which expression shows the number of pencils that Tina has ?
(A) 2x + 3 (B) 3x – 2 (C) 2x – 3 (D) 3x + 2
3. The value of the given expression 2 5 4
3 5 2 4 3 2 4 3 2
× × = × ×
(A) 4 2 (B) 3
2 (C) 1 (D) 1 2
4. If x = 4 and y = 3, then x 2 y – 2xy 16 2 y + =
x (A) 14 (B) 27 (C) 19 (D) 40
5. The ratio of the number of girls to the number of boys in a class is 3 : 2. There are 18 girls in the class. How many boys are in the class?
(A) 23 (B) 12 (C) 3 (D) 2
6. There are 900 members in a club. 60% of them are men. After more women join the club, the percentage of men becomes 40%. How many members are men?
(A) 540 (B) 450 (C) 560 (D) 550
7. Which correctly describes the rule between x and y as shown in the table?
(A) y = 6x – 1 (B) y = x 2 – 1 x 4 5 6 7 y 9 11 13 15 (C) y = x 2 + 1 (D) y = 2x + 1
8. Which streets on this map appear to never intersect ? Y Z
X
M
L
(A) Y and X
(B) L and M
(C) X and Z
(D) Z and L
9. Look at the given table. It shows the temperature outside at 3 different times on one day. Which list shows the temperatures in order from coldest to warmest?
(A) 0°F < –7°F < 12°F (B) 12°F < 0°F < –7°F
Time of Day 6:00 A.M. 4 : 00 P.M. 10:00 P.M.
Temperature (°F) –7 12 0
Temperatures utside O
(C) –7°F < 0°F < 12°F (D) –7°F < 12°F < 0°F
10. Which figure does not appear to contain two or more congruent shapes ?
(A) (B) (C) (D)
3 13 th NSO | LevelI | Class 7 SetB
11. Mr. Vikrant buys a subscription to a magazine. • He pays ` 480.96 for one year. • He receives one magazine each month. What does he pay for each magazine?
(A) ` 40.5 (B) ` 40.8 (C) ` 40.08 (D) ` 40.2
12. The value of ( –5) + (– 4) – (– 4) – (– 5) + (– 5) + (– 4) – (– 5) + (– 4) is ____
(A) – 4 (B) – 5 (C) 0 (D) – 8
13. Look at the given diagram.
20°
C D
B E
What is the measure of the angle that is complementary to ∠CBD? (A) 90° (B) 70° (C) 20° (D) 80°
14. An ice skating rink charges a special rate on Wednesday nights. The special rate includes a fixed charge of ` 10 to rent skates plus ` 2 per hour to skate. Find the cost that Mohit has to pay for skating 6 hours ? (A) ` 22 (B) ` 6 (C) ` 12 (D) ` 13
15. Which of the following could be placed on the right side of the Figure2 scale to make it balanced ?
(A) (B)
Cookies Cookies Cookies
Figure1 Figure2
? Cookies
(C) (D)
SCIENCE
16. The diagram shows a boiling tube filled with water. There is an ice cube wrapped with wire gauze at the bottom of the tube, and the water at the top of the tube is heated as shown. When water at the top of the tube is boiling, the ice cube remains frozen. What can you infer from this experiment ?
Ice cube with wire gauze
Bunsen burner
Boiling point
Water
(A) Heat gain causes matter to expand (B) Heat loss causes matter to contract (C) Ice cubes melt at 0°C (D) Water is a poor conductor of heat
17. Observe the 3D shapes and relative sizes of the two objects as shown. What will the shadow look like when the ring and object Z are placed between the light source and the screen as illustrated ?
Ring Object Z Light source Object Z Ring
Sc reen
(A) (B) (C) (D)
4 13 th NSO | LevelI | Class 7 SetB
18. The distancetime graph of a truck is shown. What was the average speed of the truck over the distance shown?
(A) 16 m/s
0 1 2 3 4 5
20
40
60
80
Distanc
e (m
)
Time (s) 6
(B) 16.67 m/s
(C) 33.33 m/s
(D) 220 m/s
19. The heating effect of current is not used in ____.
(A) Hair dryer (B) Iron (C) Light bulb (D) Fan
20. Among the electromagnets shown below, which one is the strongest?
(A) (B) (C) (D)
21. A fuse is connected to the _____ wire in the electric circuit of household.
(A) Earth (B) Neutral (C) Live (D) Thin
22. Which parts of the horseshoe magnet have the strongest pull on some pins ? (A) P and Q only (B) R and S only
P
Q R
S
(C) P, Q and R only (D) P, Q and S only
23. The average speed of a motorist on a journey is the ____. (A) Total distance travelled divided by the total time (B) Average of the fastest and slowest speeds
(C) Average of his initial and final speeds (D) Total time divided by the total distance travelled
24. Which one of the following places is unlikely to be affected by cyclone?
(A) Chennai (B) Mangalore (C) Jaipur (D) Mumbai
25. Mark the option which correctly shows a closed circuit?
(A) + –
(B) + –
(C) + –
(D)
26. 2
Pour some water in two test tubes.
Collect some iron nails. Put them in three test tubes.
3 1
Cork one of the test tubes tightly so that it is air tight.
Leave all the 3 test tubes for some days.
What inference can be drawn from the above experiment ? (A) Air is a must for rusting (B) Water is a must for rusting (C) Both (A) and (B) (D) Minerals present in air are a must for rusting.
5 13 th NSO | LevelI | Class 7 SetB
27. In the given flow chart, Whole chalk
Broken chalk pieces
Infant
Child
Ice
Water (i) (ii) (iii)
Cold water
Hot water
Paper
Burnt paper
(iv) (v)
Pick the incorrect match.
(i) (ii) (iii) (iv) (v) (A) Chemical Physical Chemical Irreversible Reversible (B) Physical Physical Chemical Chemical Chemical (C) Irreversible Chemical Physical Reversible Chemical (D) Irreversible Chemical Chemical Irreversible Irreversible
28. This logo stands for ____. (A) Life Water (B) Water For Life (C) Water Equals Life (D) Water is Essential for Life
29. Observe the given figure carefully and select the correct option.
Lime water
Sulphuric acid
(A) A white precipitate is obtained. (B) Effervescence is observed in test tube containing lime water. (C) The test tube containing lime water becomes hot. (D) Both (A) & (C).
30. Mike is having a hot bath. After some time he notices that the mirror in the bathroom becomes misty. This happens because of _____. (A) Evaporation (B) Condensation (C) Precipitation (D) All of the above
31. Study the two groups of objects carefully. The objects are grouped according to _________. (A) The type of materials they are made of (B) Their uses (C) Their ability to float or sink in water (D) Their mass
32. The given diagram, shows part of the water cycle. Water vapour
Oceans Clouds
T What is process ‘T’ called ? (A) Melting (B) Condensation (C) Evaporation (D) Precipitation
33. Study the flow chart carefully. Changes
P Q
(i) Melting of ice (ii) Blowing of balloon
(i) Cutting of paper (ii) Flowering of bud
Which of the following is correct ? P Q
(A) Reversible change Reversible change (B) Irreversible change Reversible change (C) Irreversible change Irreversible change (D) Reversible change Irreversible change
6 13 th NSO | LevelI | Class 7 SetB
34. Harish wants to test the presence of starch in a leaf. Given below are the steps to conduct the experiment. Which of these steps is not necessary? (A) Boil the leaf first in water and then in alcohol. (B) Wash the bleached leaf. (C) Heat leaf on a flame. (D) Add a few drops of iodine solution to the bleached leaf.
35. The given figure shows the process of _____.
(A) Absorption (B) Assimilation
Food
Oesophagus
(C) Mastication (D) Peristalsis
36. The given figure demonstrates the necessity of carbon dioxide in photosynthesis. Which of the following will be observed after few hours of this experiment ?
(A) Leaf inside the conical flask will not turn blueblack on starch test
Potassium hydroxide absorbs carbon dioxide
(B) Leaf outside the flask will turn blueblack on starch test
(C) Both (A) & (B)
(D) None of the above
37. A Tibetan antelope yields a kind of wool which is considered to be the world's finest and warmest wool, with fibres onefifth the thickness of a human hair. This wool is also called the 'king of wools'. Which of the following correctly represents that wool along with its producer? (A) Shahtoosh Chiru (B) Mohair Angora (C) Vicuna Llama (D) Grease wool Chinkara
38. Which of the following does not have bones and moves with the help of contractions and expansions of the body?
(A) (B) (C) (D)
39. Which of the following statements are correct ? (i) All the changes in the weather are due to Moon. (ii) A human baby is born with about 206 bones. (iii) Tusks of the elephant are modified teeth. (iv) Typical desert climate is found in Rajasthan. (A) (i) & (ii) (B) (i) & (iii) (C) (iii) & (iv) (D) (ii) & (iv)
40. The climatic conditions in the rainforests are highly suitable for supporting an enormous number and a variety of animals. Since the numbers are large, there is intense competition for food and shelter. Many animals are adapted to live on the trees. Which of the following animals has developed sticky pads on its feet to help it climb trees on which it lives? (A) Blue eyed frog (B) Red eyed frog (C) Green eyed frog (D) Yellow eyed frog
41. Loamy soil is a mixture of clay, silt and sand. It is the best top soil for growing plants. Which of the following statements most accurately explains the property of loamy soil? (A) Holds the maximum amount of water that enters it (B) Permits only a certain amount of water to enter it (C) It contains very little amount of humus (D) Allows water to pass through it rapidly
7 13 th NSO | LevelI | Class 7 SetB
DIRECTION : Refer the given figure and answer Q. nos. 42 & 43.
42. Which of the following processes is occuring at 5 ? (A) Condensation (B) Evaporation (C) Transpiration (D) Precipitation
43. Which of the following represents the process of evaporation in the given figure? (A) 2 (B) 3 (C) 4 (D) 5
44. The given table shows the various deficiency diseases caused due to the lack of vitamins and minerals. Which of the following correctly matches P, Q, R and S?
Vitamin/ Mineral
Vitamin B 1
Vitamin C
R
S
P
Q
Goitre
Anaemia
Deficiency disease/ disorder
P Q R S (A) Marasmus Kwashiorkar Iodine Iron (B) Osteomalacia Scurvy Iodine Iron (C) Scurvy Beriberi Calcium Iodine (D) Beriberi Scurvy Iodine Iron
45. Which of the following is the correct sequence of passage of oxygen in the respiratory system? (A) Nose → Lungs → Wind pipe → Blood (B) Nose → Blood → Wind pipe → Lungs (C) Nose → Blood → Lungs → Wind pipe (D) Nose → Wind pipe → Lungs → Blood
46. What is one thing common in the animals shown below? (A) They all live in water. (B) They all lack backbone. (C) They all have scales on their body. (D) They all lay eggs to reproduce.
47. In which of the following leaves will transpiration be least ?
(A) (B) (C) (D)
48. Seed dispersal is the scattering of seeds away from the parent plant. The structure of seeds usually helps them to move to a new location. Winged seeds such as those of (i) and (ii) are displaced by wind to far away places. Some seeds are dispersed when the fruits burst with sudden jerks. This happens in the case of (iii) . Select the correct sequence of words from the following to fill up the blanks in the above paragraph.
(i) (ii) (iii) (A) Maple Castor Balsam (B) Xanthium Maple Castor (C) Drumstick Maple Castor (D) Balsam Drumstick Castor
8 13 th NSO | LevelI | Class 7 SetB
DIRECTION : Read the following paragraph carefully and answer Q. nos. 49 & 50. In terrestrial plants, roots normally play a very important role in the absorption of nutrients and water from the soil. However, in aquatic plants, roots aremuch reduced in size. Some of these plants have narrow and thin ribbonlike leaves. These can bend in the flowing water. In some submerged plants, leaves are often highly divided.
49. Why do aquatic plants have a root system which is not very well developed? (A) So that they can be pulled out easily. (B) It helps them float. (C) Since they grow in water they don't need long roots to absorb water. (D) They do not need to absorb minerals.
50. Why are their leaves ribbon shaped or divided ? (A) The water can easily pass through these leaves without damaging them. (B) They do not need to store water. (C) They keep the plant afloat. (D) They look pretty.
SPACE FOR ROUGH WORK
1. (C) 2. (A) 3. (C) 4. (B) 5. (B) 6. (A) 7. (D)
8. (D) 9. (C) 10. (A) 11. (C) 12. (D) 13. (B) 14. (A)
15. (D) 16. (D) 17. (D) 18. (A) 19. (D) 20. (D) 21. (C)
22. (A) 23. (A) 24. (C) 25. (C) 26. (C) 27. (C) 28. (B)
29. (D) 30. (B) 31. (C) 32. (B) 33. (D) 34. (C) 35. (D)
36. (C) 37. (A) 38. (B) 39. (C) 40. (B) 41. (A) 42. (C)
43. (A) 44. (D) 45. (D) 46. (B) 47. (A) 48. (C) 49. (C)
50. (A)
ANSWER KEYS