Biology [NSTSE (National Science Talent Search Exam- Unified Council) Class 8]: Questions 225 - 229 of 399

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Question 225

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Question

MCQ▾

Soil erosion can be prevented by:

Choices

Choice (4)Response

a.

Overgrazing

b.

Deforestation

c.

Removal of vegetation

d.

Afforestation

Question 226

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Question

MCQ▾

Puberty is:

Choices

Choice (4)Response

a.

Boys and girls become capable of reproduction

b.

The age at which reproductive organs become functionally active

c.

That change in body shape and increase in height

d.

All a. , b. and c. are correct

Question 227

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Question

MCQ▾

Teenagers are:

Choices

Choice (4)Response

a.

Adolescents

b.

13 to 19 years

c.

Both a. and b. are correct

d.

None of the above

Question 228

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Question

MCQ▾

What is a Wildlife sanctuary?

Choices

Choice (4)Response

a.

An areas comprising terrestrial, marine and coastal ecosystems

b.

An area of land managed to conserve wildlife

c.

An area of land which is strictly reserved protected wildlife

d.

Question does not provide sufficient data or is vague

Question 229

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Question

MCQ▾

Which of the following shows the correct route for the sperm to entering the female reproductive tract?

Choices

Choice (4)Response

a.

Urethra – Vasa deferentia – Vagina – Testes – Seminal vesicle – Prostate

b.

Testes – Seminal vesicle – Vasa deferentia – Vagina – Urethra – Prostate

c.

Testes – Vasa deferentia – Seminal vesicle – Prostate – Urethra – Vagina

d.

Vagina – Seminal vesicle – Testes – Vasa deferentia – Prostate – Urethra