NSO Level 1- Science Olympiad (SOF) Class 7: Questions 25 - 30 of 593

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Question number: 25

» Physical and Chemical Changes

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MCQ▾

Question

Which of the following is most reactive metallic element in nature?

Choices

Choice (4) Response

a.

Magnesium (Mg)

b.

Potassium (K)

c.

Calcium (Ca)

d.

Sodium (Na)

Question number: 26

» Light

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MCQ▾

Question

If we placed an object at focal point of convex mirror, then image will be:

Choices

Choice (4) Response

a.

Erect, larger and virtual

b.

Erect, smaller and real

c.

Erect, smaller and virtual

d.

Inverted, larger and virtual

Question number: 27

» Mental Ability

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MCQ▾

Question

In the given figure, the angle formed between the hour and minute hand is ________.

Figure shows angle of hour and minute hand

Figure Shows Angle of Hour and Minute Hand

This figure shows angle of hour and minute hand

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 28

» Mental Ability

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MCQ▾

Question

In the given figure, the small rectangles in the rectangle PQRS are identical. What is the ration of the shaded portions to the unshaded portions?

Figure shows the rectangle PQRS

Figure Shows the Rectangle PQRS

This figure shows the rectangle PQRS

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 29

» Light

Edit
MCQ▾

Question

Which of the following is good example to explained that light travels in straight line?

Choices

Choice (4) Response

a.

Image formed by spherical mirror

b.

Rainbow

c.

Formation of shadow

d.

Image formed by plane mirror

Question number: 30

» Mental Ability

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MCQ▾

Question

The given pattern shows some of the multiples of 9.

A possible value of y is ________.

Choices

Choice (4) Response

a.

35

b.

45

c.

78

d.

43

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