NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 1764 - 1769 of 2028

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Question number: 1764

» Physics » Chemical Effects of Electric Current

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MCQ▾

Question

When current passes through the water, due to chemical effect of electric current, water splits into:

Choices

Choice (4)Response

a.

Positively charge hydrogen ions and negatively charged oxygen ions

b.

Hydrogen and oxygen atoms having negative and positive charges respectively

c.

Negative charged hydrogen ions and positively charged oxygen ions

d.

Hydrogen and oxygen atoms having positive and negative charges respectively

Question number: 1765

» Biology » Cell

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MCQ▾

Question

Spirogyra differs with a paramecium in the presence of:

Choices

Choice (4)Response

a.

Nucleus

b.

Golgi bodies

c.

Mitochondria

d.

Plastids

Question number: 1766

» Physics » Light

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MCQ▾

Question

The power of the adjusting focal length is:

Choices

Choice (4)Response

a.

Eye power

b.

Power of accommodation

c.

Power of Vision

d.

Power of lens

Question number: 1767

» Biology » Reproduction in Animals

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MCQ▾

Question

Men may have female characteristics (feminization) due to the oversecretion of the hormone:

Choices

Choice (4)Response

a.

Testosterone

b.

Oestrogen

c.

Adrenaline

d.

Progesterone

Question number: 1768

» Physics » Light

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MCQ▾

Question

Due to deficiency of which of the following vitamin, the night blindness occurs?

Choices

Choice (4)Response

a.

D

b.

B

c.

A

d.

C

Question number: 1769

» Physics » Chemical Effects of Electric Current

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MCQ▾

Question

During the flow of current through a conductor, some amount of electric energy convers into:

Choices

Choice (4)Response

a.

Mechanical energy

b.

Chemical energy

c.

Heat energy

d.

None of the above

Developed by: