NSTSE (National Science Talent Search Exam- Unified Council) Class 7: Questions 1644 - 1650 of 1732

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Question 1644

Question

MCQ▾

Which of the following is the artificial source of light?

Choices

Choice (4)Response

a.

Sun

b.

Fire

c.

Stars

d.

Moon

Question 1645

Question

MCQ▾

Light travels in:

Choices

Choice (4)Response

a.

Curvy shape

b.

Circular shape

c.

Haphazard

d.

Straight line

Question 1646

Question

MCQ▾

Respiration carried out by skin is known as:

Choices

Choice (4)Response

a.

Cutaneous respiration

b.

Branchial respiration

c.

Pulmonary respiration

d.

Tracheal respiration

Question 1647

Question

MCQ▾

The membrane between the chest and abdomen is known as:

Choices

Choice (4)Response

a.

Ribcage

b.

Diaphragm

c.

Lungs

d.

All of the above

Question 1648

Question

MCQ▾

Two plane mirrors are placed at an angle of 36 degree. How many images will be formed?

Choices

Choice (4)Response

a.

Cannot be determined

b.

8

c.

9

d.

7

Question 1649

Question

MCQ▾

What is the unit of refractive power of a lens?

Choices

Choice (4)Response

a.

Lux

b.

Diopter

c.

Candle power

d.

Question does not provide sufficient data or is vague

Question 1650

Question

MCQ▾

Carbon dioxide produced during respiration combines with ________ to form ________.

Choices

Choice (4)Response

a.

Nitrogen, oxycarbon

b.

Oxygen, oxyhaemoglobin

c.

Haemoglobin, oxyhaemoglobin

d.

Haemoglobin, carboxyhaemoglobin

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