Plant Physiology-Plant Growth and Development (NEET Biology): Questions 15 - 22 of 48

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Question number: 15

» Plant Physiology » Plant Growth and Development » Photoperiodism

MCQ▾

Question

When the dark period of short day plants is interrupted by brief exposure of light, then the plant

Choices

Choice (4) Response

a.

Turn into a long day plant.

b.

Give more flowers.

c.

Will not flower at all.

d.

Flower immediately.

Question number: 16

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

MCQ▾

Question

The activity of –amylase in the endosperm of barley germinating seed is induced by

Choices

Choice (4) Response

a.

Gibberellin

b.

Ethylene

c.

Cytokinin

d.

IAA

Question number: 17

» Plant Physiology » Plant Growth and Development » Sequence of Developmental Process in a Plant Cell

MCQ▾

Question

Pigment phytochrome is involved in

Choices

Choice (4) Response

a.

Phototropism

b.

Geotropism

c.

Photorespiration

d.

Photoperiodism

Question number: 18

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

MCQ▾

Question

Etiolation in plants is caused when they

Choices

Choice (4) Response

a.

Are grown in intense light.

b.

Have mineral deficiency.

c.

Are grown in dark.

d.

Are grown in blue light.

Question number: 19

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

MCQ▾

Question

Loranthus is a

Choices

Choice (4) Response

a.

total stem parasite

b.

partial stem parasite

c.

partial root parasite

d.

total root parasite

Question number: 20

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

MCQ▾

Question

Flowering in pineapple is promoted by

Choices

Choice (4) Response

a.

GA2

b.

Ethylene

c.

NAA

d.

Cytokinin

Question number: 21

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

MCQ▾

Question

ABA is involved in

Choices

Choice (4) Response

a.

Root elongation

b.

Dormancy of seeds

c.

Shoot elongation

d.

Increased cell division

Question number: 22

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

MCQ▾

Question

Epiphytes are the plants which are dependent on other plants

Choices

Choice (4) Response

a.

only for food

b.

for water and food

c.

only for water

d.

only for shelter (support)

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