AIIMS Biology: Questions 130 - 137 of 405

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Question number: 130

» Plant Physiology » Plant Growth and Development » Seed Germination

MCQ▾

Question

The first requirement for germination of seed is

Choices

Choice (4) Response

a.

Mineral salts

b.

Light

c.

Low temperature

d.

H2O

Question number: 131

» Plant Physiology » Plant Growth and Development » Photoperiodism

MCQ▾

Question

Which of the following is negative photoblastic seed

Choices

Choice (4) Response

a.

Capsella

b.

Tobacco

c.

Lepidium

d.

Nigella

Question number: 132

» Plant Physiology » Plant Growth and Development » Phases of Plant Growth and Plant Growth Rate

MCQ▾

Question

At which temperature, germination of seed cannot possible in most of the plants:

Choices

Choice (4) Response

a.

5° to 10°

b.

20° to 25°

c.

0° to 5°

d.

10° to 15°

Question number: 133

» Plant Physiology » Plant Growth and Development » Seed Germination

MCQ▾

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

MCQ▾

Question

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

Choices

Choice (4) Response

a.

400

b.

250

c.

200

d.

300

Question number: 135

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

MCQ▾

Question

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

Choices

Choice (4) Response

a.

200

b.

100

c.

25

d.

50

Question number: 136

» Plant Physiology » Plant Growth and Development » Seed Germination

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

MCQ▾

Question

Seeds of Gram are:

Choices

Choice (4) Response

a.

Albuminous and hypogeal

b.

Albuminous and epigeal

c.

Exalbuminous and hypogeal

d.

Exalbuminous and epigeal

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