Reproduction (KVPY Stream-SA (Class 11) Biology): Questions 52 - 60 of 114

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Question number: 52

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

MCQ▾

Question

Tigellum is known as: -

Choices

Choice (4) Response

a.

Main axis of the embryo

b.

Testa

c.

Tegmen

d.

All of the above

Question number: 53

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

MCQ▾

Question

Which of the following promote pollen germination and tube growth?

Choices

Choice (4) Response

a.

Calcium

b.

Boron

c.

Potassium

d.

Sucrose

Question number: 54

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

MCQ▾

Question

Example of Epihydrophily is: -

Choices

Choice (4) Response

a.

Zostera

b.

Nymphaea

c.

Ceratophyllum

d.

Vallisneria

Question number: 55

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

MCQ▾

Question

In Capsella the endosperm is formed

Choices

Choice (4) Response

a.

At the time of fertilization

b.

Before pollination

c.

After fertilization

d.

Before fertilization

Question number: 56

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

MCQ▾

Question

The main embryo developed from the structure formed as a result of

Choices

Choice (4) Response

a.

Syngamy

b.

Fusion of two polar nuclei of an embryo sac

c.

Triple fusion

d.

Double fertilization

Question number: 57

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

MCQ▾

Question

The term xenia denotes the effect of pollen on the

Choices

Choice (4) Response

a.

Endosperm

b.

Somatic tissue

c.

Root

d.

Mowers

Question number: 58

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

MCQ▾

Question

After fertilization seed coat is formed by:

Choices

Choice (4) Response

a.

Integument

b.

Chalaza

c.

Ovule

d.

Embryo sac

Question number: 59

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

MCQ▾

Question

In pollination “Trap door mechanism” is found in: -

Choices

Choice (4) Response

a.

Ficus

b.

Salvia

c.

Aristolochia

d.

Yucca

Question number: 60

» Reproduction » Sexual Reproduction in Flowering Plants » Development of Male and Female Gametophytes

MCQ▾

Question

Who discovered fertilization in plant?

Choices

Choice (4) Response

a.

P. Maheshwari

b.

Amici

c.

Strasburger

d.

Nawaschin

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