KVPY Stream-SA (Class 11) Biology: Questions 181 - 187 of 304

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Question number: 181

» Reproduction » Sexual Reproduction in Flowering Plants » Outbreeding Devices

MCQ▾

Question

In which plant self-sterility is found: -

Choices

Choice (4) Response

a.

Primrose

b.

Petunia

c.

Marigold

d.

Gossypium

Question number: 182

» Reproduction » Sexual Reproduction in Flowering Plants » Double Fertilization

MCQ▾

Question

Double fertilization means

Choices

Choice (4) Response

a.

A male gamete fused with egg and second male gamete fused with secondary nucleus

b.

Fusion of two polar bodies

c.

Fusion of male gametes and ovum

d.

None of the above

Question number: 183

» Reproduction » Sexual Reproduction in Flowering Plants » Double Fertilization

MCQ▾

Question

Synergids help in

Choices

Choice (4) Response

a.

Endosperm formation

b.

Pollen entry into embryosac

c.

Embryosac nutrition

d.

Both b. and c. are correct

Question number: 184

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

MCQ▾

Question

Haploid, diploid and triploid conditions respectively can be traced in: -

Choices

Choice (4) Response

a.

Antipodal, Egg, Endosperm

b.

Egg, Nucellus, Endosperm

c.

Endosperm, Nucellus, Synergids

d.

Antipodal, Synergids & Integuments

Question number: 185

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

MCQ▾

Question

What type of pattern of endosperm, development in Capsella?

Choices

Choice (4) Response

a.

Helobial type

b.

Cellular type

c.

Nuclear type

d.

Question does not provide sufficient data or is vague

Question number: 186

» Reproduction » Sexual Reproduction in Flowering Plants » Double Fertilization

MCQ▾

Question

Male gametes of the Capsella fused with: -

Choices

Choice (4) Response

a.

Secondary nucleus

b.

Egg

c.

Both a. and b. are correct

d.

None of the above

Question number: 187

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

MCQ▾

Question

Scutellum is a

Choices

Choice (4) Response

a.

Protective covering of plumule

b.

Endosperm of gymnosperm

c.

Shield shaped cotyledon of monocot

d.

Protective covering of radicle

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