Plant Physiology-Plant Growth and Development (NEET (National Eligibility cum Medical Entrance Test) Biology): Questions 30 - 36 of 48

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Question number: 30

» Plant Physiology » Plant Growth and Development » Photoperiodism

MCQ▾

Question

In SDP flowering does not occur

Choices

Choice (4) Response

a.

When intermediate light is given red→ far red red.

b.

When interrupted by a flash red→ far light.

c.

When interrupted by a flash of far light.

d.

All of the above.

Question number: 31

» Plant Physiology » Plant Growth and Development » Conditions of Growth

MCQ▾

Question

A plant living symbiotically inside another plant is

Choices

Choice (4) Response

a.

endophyte

b.

semiparasite

c.

saprophyte

d.

parasite

Question number: 32

» Plant Physiology » Plant Growth and Development » Conditions of Growth

MCQ▾

Question

Myrmecophily is a beneficial association between a flowering plant and

Choices

Choice (4) Response

a.

mycoplasma

b.

ants

c.

bacteria

d.

viruses

Question number: 33

» Plant Physiology » Plant Growth and Development » Photoperiodism

MCQ▾

Question

Example of positinve geotropism is

Choices

Choice (4) Response

a.

Closing of flowers.

b.

Lateral growth of root.

c.

Upward growth of stem.

d.

Downward growth of root.

Question number: 34

» Plant Physiology » Plant Growth and Development » Seed Dormancy

MCQ▾

Question

Why the newly harvested potato tubers do not germinate even when placed in favorable conditions?

Choices

Choice (4) Response

a.

Due to difficulty of light penetration

b.

Due to lack of photosynthetic apparatus.

c.

Due to dormancy

d.

Due to lack of water absorption

Question number: 35

» Plant Physiology » Plant Growth and Development » Growth Regulators-Auxin, Gibberellin, Cytokinin, Ethylene, ABA

MCQ▾

Question

Bioassay for auxin is

Choices

Choice (4) Response

a.

Dwarf maize test

b.

Green leaf test

c.

Avena Curvature test

d.

Cell division test

Question number: 36

» Plant Physiology » Plant Growth and Development » Seed Dormancy

MCQ▾

Question

To remove seed dormancy by mechanical removing of seed coat is called

Choices

Choice (4) Response

a.

Scarification

b.

Photoperiodism

c.

Stratification

d.

Vernalization

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