Reproduction-Sexual Reproduction in Flowering Plants (NEET Biology): Questions 20 - 27 of 88

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Question number: 20

» Reproduction » Sexual Reproduction in Flowering Plants » Double Fertilization

MCQ▾

Question

In angiosperm triple fusion is necessary for the formation of

Choices

Choice (4) Response

a.

Seed coat

b.

Endosperm

c.

Embryo

d.

Fruit wall

Question number: 21

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

MCQ▾

Question

Pollination by slug and snails is called

Choices

Choice (4) Response

a.

Anemophilous

b.

Chiropterophilous

c.

Malacophilous

d.

Ornithophilous

Question number: 22

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

MCQ▾

Question

Turn pipe mechanism is present in

Choices

Choice (4) Response

a.

Salvia

b.

Ophrys

c.

Vallisneria

d.

Yucca

Question number: 23

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

MCQ▾

Question

Presence of many embryos (Polymbryony) is a characteristic feature of

Choices

Choice (4) Response

a.

Mango

b.

Citrus

c.

Banana

d.

All of the above

Question number: 24

» 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: 25

» 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: 26

» 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: 27

» 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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