NSTSE (National Science Talent Search Exam- Unified Council) Class 7: Questions 1670 - 1677 of 1732

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Question number: 1670

» Biology » Respiration in Organisms

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MCQ▾

Question

The exchange of gases in human body takes place in:

Choices

Choice (4) Response

a.

Bronchi

b.

Trachea

c.

Alveoli

d.

Pharynx

Question number: 1671

» Biology » Transportation in Living Beings

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MCQ▾

Question

Which side of the heart is responsible for pumping blood to the lungs?

Choices

Choice (4) Response

a.

Left side

b.

Right side

c.

Right and left sides are responsible

d.

None of the above

Question number: 1672

» Physics » Light

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MCQ▾

Question

Angle of incidence is 60 degree. What will be the angle between the incident ray and the reflected ray?

Choices

Choice (4) Response

a.

60 degree

b.

120 degree

c.

0 degree

d.

30 degree

Question number: 1673

» Biology » Transportation in Living Beings

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MCQ▾

Question

Which of the following helps in blood clotting in the body?

Choices

Choice (4) Response

a.

RBC

b.

Plasma

c.

Platelets

d.

WBC

Question number: 1674

» Physics » Light

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MCQ▾

Question

White light consists of which of the following color?

Choices

Choice (4) Response

a.

Red

b.

Indigo

c.

Green

d.

All a. , b. and c. are correct

Question number: 1675

» Physics » Light

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MCQ▾

Question

The ratio of the velocity of light in a vacuum to its velocity in a specified medium is known as:

Choices

Choice (4) Response

a.

Refractive index

b.

Speed index

c.

Velocity index

d.

Question does not provide sufficient data or is vague

Question number: 1676

» Physics » Light

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MCQ▾

Question

Which of the following objects are opaque?

Choices

Choice (4) Response

a.

Glass

b.

Bulb

c.

Wood

d.

Question does not provide sufficient data or is vague

Question number: 1677

» Physics » Light

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MCQ▾

Question

The separation of visible light into its different colors is known as:

Choices

Choice (4) Response

a.

Dispersion

b.

Reflection

c.

Refraction

d.

All of the above

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