SilverZone STEM Sample Paper Class 7

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Science
1 Distance-time graph of two moving objects A and B has been shown below. Which option is correct with
respect to the graph?
A
B
Distance

O Time

A. Both objects are moving with uniform speed
B. Both objects are moving with non-uniform speed
C. Object A is moving with uniform speed and object B is moving with non-uniform speed.
D. Object B is moving with uniform speed and object A is moving with non-uniform speed.

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2 Which statement is correct with respect to the given figure?

Plane mirror

A. Image of the candle can be obtained on a screen.
B. If the distance between the candle and the mirror is 2.5 m, then the distance between the candle
and its image is 5 m.
C. If we take the candle away from the mirror then the image of the candle will get closer to the
mirror.
D. If we take candle closer to the mirror then its image will be shorter than the candle.

3 Two iron rods X and Y are taken. Rod X is heated till its temperature reaches 130oC and rod Y is cooled
down to -10oC. Then both the rods are placed in water having temperature 30oC. Which option is correct
regarding the above condition?

A. Heat will flow from rod X to water.
B. Heat will flow from rod Y to water.
C. Heat will flow from water to both the rods.
D. No transfer of heat will take place between the rods if they are kept in contact.

4 Raj takes a long piece of insulated flexible wire and an iron nail. He winds the wire tightly around the
nail in the form of a coil then connect the free ends of the wire to a circuit. Now he allows the current
to pass in the circuit. Choose the correct statements regarding the above condition.

A. The coil in the circuit will behave like an electromagnet
B. The coil does not allow current to pass through them.
C. The coil does not produce any heat.
D. The coil becomes insulator as soon as current stopped flowing in the circuit.

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Technology & Engineering
5 Match the following columns.

Column I Column II

Entertainment

Literature

Agriculture

Space Exploration

A. I→a, II→b, III→d, IV→c B. I→a, II→d, III→c, IV→b
C. I→a, II→d, III→b, IV→c D. I→b, II→d, III→a, IV→c

6 Which of the following is an example of Virtual Reality?

A. B.

C. D. All of the above

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7 Which of the following statements correctly represent the function body in the given code snippet?

def f(number):
# Missing function body
print(f(5))
A. return “number” B. print(number)
C. print(“number”) D. return number

8 Two positions of the same dice are given below. Which number will be at the top if ‘6’ is at the bottom?

2 6

5 4 1 5

A. 2 B. 3
C. 1 D. 4

Mathematics
9 Ravi thinks about a number. He divides it by 12 and then subtract 37 from it. Now he get a number which
is 1 of the original number. Find this number.
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A. 888 B. 996
C. 804 D. 900

10 Tom bought a photo frame to place his photo. He notices that the frame has four identical rectangles
which are outside of a square shaped space. The perimeter of this frame is 28 inch.

Based on this information identify the statements which are true?
A. The surface area covered by this frame on a wall is 49 square inch.
B. The perimeter of each of the identical rectangle is 14 inch.
C. Both (A) and (B) are correct
D. Both (A) and (B) are not correct

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11 On a parade day, if 24 students are arranged in each row, it was noticed that 19 students left. If 18
students are arranged in each row, 13 students left and if 23 students are arranged in a row, 18 students
left. How many students are in the parade?

A. 1651 B. 1656
C. 1680 D. 1661

12 Roy purchases a ball and a cap at the price of `7 and `15 respectively. Find the total number of possible
ways so that he can purchase atleast a ball and a cap for spending exactly `1200.

`7 `15
A. 10 B. 11
C. 12 D. None of these

ANSWERS
1. (C) 2. (B) 3. (A) 4. (A) 5. (C) 6. (D)
7. (D) 8. (D) 9. (A) 10. (C) 11. (D) 12. (B)

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