NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 1098 - 1102 of 1484

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Question number: 1098

» Biology » Reproduction

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MCQ▾

Question

Which of the following are modes of asexual reproduction?

Choices

Choice (4)Response

a.

Fragmentation

b.

Vegetative reproduction

c.

Regeneration

d.

All a. , b. and c. are correct

Question number: 1099

» 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: 1100

» 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: 1101

» Biology » Reproduction

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MCQ▾

Question

Which of the following statements are correct about the menstrual cycle?

I. Each month, one of the ovaries releases an egg; this process is called as ovulation

II. FSH (released by the pituitary gland) causes eggs to mature in the ovaries

III. Menstrual cycle is the reproductive cycle in women, when woman is pregnant.

Choices

Choice (4)Response

a.

II and III only

b.

I and III only

c.

I and II only

d.

I, II and III only

Question number: 1102

» 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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