KVPY (Kishore Vaigyanik Protsahan Yojana) Stream-SA (Class 11) Biology: Questions 197 - 205 of 304

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Question number: 197

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

MCQ▾

Question

The suspensor in Capsella develops from

Choices

Choice (4) Response

a.

Basal - cell

b.

Apical - cell

c.

Micropylar - cell

d.

None of the above

Question number: 198

» 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: 199

» 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: 200

» 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: 201

» 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: 202

» 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: 203

» 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: 204

» 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: 205

» 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

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