NEET Practice Questions (MCQs) with Answers & Solutions

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Life span of parrot is 

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Explanation

XII Ncert, PAGE 4, FIG. 1.1

This answer is incorrect.  Parrot lives as long as 50 years in captivity and can go up 80 years in larger species. But as it is mentioned in the ncert, so this answer is correct for NEET.

No individual is immortal except:

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Explanation

Single celled organisms.Single celled organisms are immortal due to their ability to reproduce asexually. Page no.3

Individuals of a clone:

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Explanation

Individuals of a clone are morphologically and genetically similar. It is because they share the same genetic material which expresses to give rise to the same phenotypic and morphological features as in asexual reproduction in organisms such as bacteria resulting due to asexual reproduction. Page no.5

Asexual reproduction is common:

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Explanation

 fact. Page no.5

Which of the following is false about internal fertilization?

I. Male gamete is motile

II. Male gametes are non-motile

III. Male gametes are produced in large number

IV. Male gametes are produced in small number

V. There is a significant reduction in the number of eggs produce

VI. In seeded plants non-motile male gametes are carried to female gamete by pollen tubes

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Explanation

both the statements are false because, internal fertilisation involves the presence of a male gamete that navigates its way to the female gamete, as well as the number of gametes produced is large

Select the-correct sequence from the following:

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Explanation

fact. Page 10-15

Select the correct sequence from the following:

I. Juvenile phase → Senescent phase → Reproductive phase

II. Juvenile phase → Reproductive phase → Senescent phase

III. Reproductive phase → Juvenile phase → Senescent phase

IV. Vegetative phase → Reproductive phase → Senescent phase

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Explanation

Juvenile phase is also known as vegetative phase. Page no.9

Many mammals, especially in natural, wild conditions are:

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Explanation

Many mammals,especially in natural, wild conditions are seasonal breeders since they mate in favourable seasons. Page no.9

Which of the following regulates the reproductive processes and the associated behavioural expressions of organisms?

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Reptiles and birds are:

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Explanation

Fact. Page no.16

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