AIIMS (All India Institute of Medical Sciences) Biology: Questions 133 - 139 of 467

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Question number: 133

» Plant Physiology » Plant Growth and Development » Seed Germination

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Question

In seeds, characterized by hypogeal germination, cotyledons generally do not becomes green because:

Choices

Choice (4) Response

a.

They remains below the soil

b.

They developed very early

c.

They lack chloroplast

d.

Contains inhibitor

Question number: 134

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

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Question

How many meiotic divisions are required for the formation of 200 seeds of Capsella -

Choices

Choice (4) Response

a.

200

b.

400

c.

300

d.

250

Question number: 135

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

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Question

How many meiotic divisions are necessary for formation of 100 functional megaspores: -

Choices

Choice (4) Response

a.

200

b.

25

c.

100

d.

50

Question number: 136

» Plant Physiology » Plant Growth and Development » Seed Germination

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MCQ▾

Question

The most common natural inhibitor of seed germination is

Choices

Choice (4) Response

a.

Abscisic acid

b.

Citric acid

c.

Ferulic acid

d.

Phytochrome

Question number: 137

» Plant Physiology » Plant Growth and Development » Seed Germination

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MCQ▾

Question

Seeds of Gram are:

Choices

Choice (4) Response

a.

Exalbuminous and epigeal

b.

Exalbuminous and hypogeal

c.

Albuminous and hypogeal

d.

Albuminous and epigeal

Question number: 138

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

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Question

In Angiosperm, if haploid number of chromosome is 12 then what will be the no. of chromosomes in integuments and synergids.

Choices

Choice (4) Response

a.

12,24

b.

12,12

c.

24,12

d.

24,24

Question number: 139

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

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Question

If the leaf of Capsella has 46 number of chromosomes then how many chromosomes number will be there in endosperm -

Choices

Choice (4) Response

a.

23

b.

46

c.

138

d.

69