Biology-Hereditary and Variation (NSTSE (National Science Talent Search Exam- Unified Council) Class 10): Questions 1 - 5 of 31

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Question number: 1

» Biology » Hereditary and Variation

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MCQ▾

Question

Which of the following is the connecting link between the reptiles and mammals?

Choices

Choice (4) Response

a.

Archaeopteryx

b.

Platypus

c.

Peripatus

d.

Protopterus

Question number: 2

» Biology » Hereditary and Variation

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MCQ▾

Question

Which of the following terms is used to describe an individual changes and develops through their life span?

Choices

Choice (4) Response

a.

Phylogeny

b.

Genetics

c.

Biogenetic law

d.

Ontogeny

Question number: 3

» Biology » Hereditary and Variation

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MCQ▾

Question

Which of the following are the vestigial organs in man?

I. Nipples

II. Tonsils

III. Ear muscles

IV. Wisdom teeth

Choices

Choice (4) Response

a.

I, II and III only

b.

I, III and IV only

c.

I, II, III and IV only

d.

I, II and IV only

Question number: 4

» Biology » Hereditary and Variation

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MCQ▾

Question

The source of organic evolution is:

Choices

Choice (4) Response

a.

Natural selection

b.

Mutation

c.

Question does not provide sufficient data or is vague

d.

None of the above

Question number: 5

» Biology » Hereditary and Variation

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MCQ▾

Question

Which of the following statements is/are true of Natural selection?

I. A process that causes populations to change over time

II. Charles Darwin proposed the theory of biological evolution by natural selection

III. Individuals in a species show a wide range of variation.

IV. The theory states that those organisms best adapted to their environment have a better chance of surviving and reproducing.

Choices

Choice (4) Response

a.

I, II, III and IV only

b.

I, II and III only

c.

II, III and IV only

d.

I, II and IV only

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