Reproduction (KVPY Stream-SA (Class 11) Biology): Questions 18 - 26 of 114

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Question number: 18

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

MCQ▾

Question

The structure which is formed on micropyle by elongation of inner integument known as: -

Choices

Choice (4) Response

a.

Operculum

b.

Caruncle

c.

Sarcotesta

d.

Aril

Question number: 19

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

MCQ▾

Question

In which family, endothelium is formed by integuments: -

Choices

Choice (4) Response

a.

Cruciferae

b.

Podostemaceae

c.

Compositae

d.

Malvaceae

Question number: 20

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

MCQ▾

Question

In many plants, the sexual reproduction replaced by asexual reproduction it is called

Choices

Choice (4) Response

a.

Amphimixis

b.

Apomixis

c.

Semigamy

d.

Apospory

Question number: 21

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

MCQ▾

Question

How many pollen sacs are present in a mature anther?

Choices

Choice (4) Response

a.

1

b.

3

c.

4

d.

2

Question number: 22

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

MCQ▾

Question

Obturators which help in fertilization are out growth of

Choices

Choice (4) Response

a.

Pollen grains

b.

Pollen tube

c.

Placenta or funiculus

d.

Stigma

Question number: 23

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

MCQ▾

Question

When outer integument becomes fleshy then known as: -

Choices

Choice (4) Response

a.

Operculum

b.

Caruncle

c.

Sarcotesta

d.

Aril

Question number: 24

» Reproduction » Sexual Reproduction in Flowering Plants » Double Fertilization

MCQ▾

Question

Which type of gametes are present in Capsella

Choices

Choice (4) Response

a.

Motile

b.

Flagellated

c.

Non-motile

d.

None of the above

Question number: 25

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

MCQ▾

Question

Which type embryosac is found in Plumbago Plant?

Choices

Choice (4) Response

a.

Monosporic

b.

Tetrasporic

c.

Bisporic

d.

None of the above

Question number: 26

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

MCQ▾

Question

Horizontally oriented ovule in Angiosperm is called

Choices

Choice (4) Response

a.

Hemitropous

b.

Amphitropous

c.

Circinotropous

d.

Campylotropous

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