Reproduction (NEET Biology): Questions 16 - 22 of 139

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Question number: 16

» Reproduction » Sexual Reproduction in Flowering Plants » Pollination-Types, Agencies and Examples

MCQ▾

Question

Correct definition of pollination is

Choices

Choice (4) Response

a.

Transfer of pollen grain from anther to stigma.

b.

Growth of pollen tube in ovule.

c.

Germination of pollen grain.

d.

Visits of insects in flower.

Question number: 17

» Reproduction » Reproduction in Organisms » Asexual Reproduction

MCQ▾

Question

Development of embryo from the cells of the nucellus is called

Choices

Choice (4) Response

a.

Apospory

b.

Parthenocarpy

c.

Apocarpy

d.

Adventive embryony

Question number: 18

» Reproduction » Sexual Reproduction in Flowering Plants » Special Modes-Apomixis, Parthenocarpy, Polyembryony

MCQ▾

Question

Despite high level of heterozygosity, the progeny derived from seed of a cross pollinated plant was found to be completely uniform. One reason for this may be the phenomenon of

Choices

Choice (4) Response

a.

Parthenocarpy

b.

Induced mutation

c.

polyploidy

d.

Apomixes

Question number: 19

» Reproduction » Reproduction in Organisms » Vegetative Propagation in Plants

MCQ▾

Question

Seedless fruits in Vitis are formed due to

Choices

Choice (4) Response

a.

Double fertilization

b.

Parthenocarpy

c.

Sterility

d.

Syngamy

Question number: 20

» Reproduction » Reproduction in Organisms » Vegetative Propagation in Plants

MCQ▾

Question

Which of the following is eye of flowers?

Choices

Choice (4) Response

a.

Adventitious bud

b.

Apical bud

c.

Accessory bud

d.

Axillary bud

Question number: 21

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

MCQ▾

Question

Dicot embryo consists of

Choices

Choice (4) Response

a.

Radicle, plumule, cotyledons and testa.

b.

Radicle and plumule.

c.

Radicle, plumule, cotyledons and sometimes endosperm.

d.

Radicle, plumule, cotyledons and tegmen.

Question number: 22

» Reproduction » Sexual Reproduction in Flowering Plants » Double Fertilization

MCQ▾

Question

Double fertilization involves

Choices

Choice (4) Response

a.

Fertilization of two eggs in the embryo sac by two sperms brought by one pollen tube.

b.

Fertilization of the egg and the central cell by two sperms brought by different pollen tubes.

c.

Fertilization of the egg and the central cell by two sperms brought by the same pollen tube.

d.

Fertilization of the egg by two male gametes.

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