KVPY Stream-SA (Class 11) Biology: Questions 121 - 129 of 304

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Question number: 121

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

MCQ▾

Question

In ovule a barrier is present towards the chalaza outside the embryo sac is called: -

Choices

Choice (4) Response
a.

Perisperm

b.

Hypostase

c.

Nucellar beak

d.

Epistase

Question number: 122

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

MCQ▾

Question

The plant in which G. B. Amici discovered pollen tube is: -

Choices

Choice (4) Response
a.

Parthenium

b.

Portulaca

c.

Capsella

d. All of the above

Question number: 123

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

MCQ▾

Question

“Endostome” and “Exostome” are part of

Choices

Choice (4) Response
a.

Chalaza

b.

Pollen wall

c.

Micropyle

d.

Nucellus

Question number: 124

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

MCQ▾

Question

Archesporial cells in Capsella do not form

Choices

Choice (4) Response
a.

Epidermis

b.

Microspore mother cell

c.

Endothecium

d.

Tapetum

Question number: 125

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

MCQ▾

Question

Female gametophyte like pollens are found in: -

Choices

Choice (4) Response
a.

Hyacinthus

b.

Vinca

c.

Sorghum

d. Question does not provide sufficient data or is vague

Question number: 126

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

MCQ▾

Question

Perisperm is

Choices

Choice (4) Response
a.

Ovule wall

b.

Ovule coat

c.

Persistent nucellus in seed

d.

Fossil of haustoria

Question number: 127

» 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: 128

» 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: 129

» 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

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