Reproduction-Sexual Reproduction in Flowering Plants (KVPY Stream-SA (Class 11) Biology): Questions 87 - 95 of 109

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Question number: 87

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

MCQ▾

Question

Polyembryony was first discovered by

Choices

Choice (4) Response

a.

Guha

b.

Hofmeister

c.

Rosenberg

d.

Leeuwenhoek

Question number: 88

» Reproduction » Sexual Reproduction in Flowering Plants » Double Fertilization

MCQ▾

Question

Fertilization & double fertilization occurs in

Choices

Choice (4) Response

a.

Embryo sac

b.

Ovule

c.

Nucellus

d.

Ovary

Question number: 89

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

MCQ▾

Question

Movement of pollen tube is

Choices

Choice (4) Response

a.

Tropic

b.

Autonomous

c.

Nastic

d.

Tactic

Question number: 90

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

MCQ▾

Question

Longest pollen tube is found in:

Choices

Choice (4) Response

a.

Wheat

b.

Rice

c.

Barley

d.

Maize

Question number: 91

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

MCQ▾

Question

After fertilization the outer integument of ovule changes into -

Choices

Choice (4) Response

a.

Tegmen

b.

Fruit

c.

Seed

d.

Testa

Question number: 92

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

MCQ▾

Question

After fertilization the seed is developed from

Choices

Choice (4) Response

a.

Embryo

b.

Ovule

c.

Endosperm

d.

Ovary

Question number: 93

» Reproduction » Sexual Reproduction in Flowering Plants » Double Fertilization

MCQ▾

Question

Which of the following nuclei participate in double fertilization-?

Choices

Choice (4) Response

a.

The egg cell

b.

The two male nuclei

c.

The secondary nucleus

d.

All a. , b. and c. are correct

Question number: 94

» Reproduction » Sexual Reproduction in Flowering Plants » Double Fertilization

MCQ▾

Question

Development of embryo from

Choices

Choice (4) Response

a.

Secondary nucleus and male gametes

b.

Synergids

c.

Egg cell and male gamete

d.

Two polar nuclei of embryosac

Question number: 95

» Reproduction » Sexual Reproduction in Flowering Plants » Double Fertilization

MCQ▾

Question

Apex of radicle is formed with help of: -

Choices

Choice (4) Response

a.

Cotyledon

b.

Hypophysis

c.

Hypobasal cells

d.

Epibasal cells

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