Reproduction (NEET Biology): Questions 52 - 58 of 131

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Question number: 52

» Reproduction » Sexual Reproduction in Flowering Plants » Development of Endosperm and Embryo

MCQ▾

Question

Endospremic nucleus is usually

Choices

Choice (4) Response

a.

Haploid

b.

Tetraploid

c.

Triploid

d.

Diploid

Question number: 53

» Reproduction » Sexual Reproduction in Flowering Plants » Development of Endosperm and Embryo

MCQ▾

Question

The process of fusion between male nucleus and egg nucleus is called as

Choices

Choice (4) Response

a.

Double fertilization

b.

Triple fusion

c.

Conjugation

d.

Syngamy

Question number: 54

» Reproduction » Reproduction in Organisms » Vegetative Propagation in Plants

MCQ▾

Question

In which pair both the plants can be vegetatively propagated by leaf pieces?

Choices

Choice (4) Response

a.

Bryophyllum and Kalanchoe

b.

Chrysanthemum and Agave

c.

Asparagus and Bryophyllum

d.

Agave and Kalanchoe

Question number: 55

» Reproduction » Reproduction in Organisms » Asexual Reproduction

MCQ▾

Question

The reason of formation of embryoid from pollen grain in a tissue culture medium is

Choices

Choice (4) Response

a.

Organogenesis

b.

Double fertilization

c.

Cellular totipotency

d.

Test tube culture

Question number: 56

» Reproduction » Reproductive Health » Contraception and Medical Termination of Pregnancy (MTP)

MCQ▾

Question

The most important component of the oral contraceptive pills is

Choices

Choice (4) Response

a.

Progesterone

b.

Luteinizing hormone

c.

Growth hormone

d.

Thyroxin

Question number: 57

» Reproduction » Sexual Reproduction in Flowering Plants » Development of Seed and Formation of Fruit

MCQ▾

Question

Which one of the following is an example of cleistogamy?

Choices

Choice (4) Response

a.

Calotropis

b.

Sunflower

c.

Vallisneria

d.

Commelina

Question number: 58

» Reproduction » Sexual Reproduction in Flowering Plants » Development of Endosperm and Embryo

MCQ▾

Question

In angiosperms endosperm is formed by

Choices

Choice (4) Response

a.

Division of fused polar nuclei and male gamete.

b.

Division of fused synergids and male gamete.

c.

Division of fused polar nuclei.

d.

Free nuclear divisions of megaspore.

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