Plant Physiology [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Biology]: Questions 120 - 127 of 338

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Question 120

Question MCQ▾

Pigment phytochrome is involved in

Choices

Choice (4)Response

a.

Photorespiration

b.

Geotropism

c.

Photoperiodism

d.

Phototropism

Edit

Question 121

Question MCQ▾

Which theory explained the translocation of long interval?

Choices

Choice (4)Response

a.

Transcelier streaming

b.

Pressure flow

c.

Cyclosis

d.

Protoplasmic streaming

Edit

Question 122

Question MCQ▾

Stomatal index (SI) is equal to

Choices

Choice (4)Response

a.

E + S

E

b.

E

E + S

c.

S

E + S

d.

S

E-S

Edit

Question 123

Question MCQ▾

Function of zinc is

Choices

Choice (4)Response

a.

Biosynthesis of 3 IAA

b.

Oxidation of carbohydrate.

c.

Closing of stomata

d.

Synthesis of chlorophyll

Edit

Question 124

Question MCQ▾

Etiolation in plants is caused when they

Choices

Choice (4)Response

a.

Have mineral deficiency.

b.

Are grown in intense light.

c.

Are grown in dark.

d.

Are grown in blue light.

Edit

Question 125

Question MCQ▾

An essential element is one which

Choices

Choice (4)Response

a.

Is indispensable for growth and is irreplaceable

b.

Available in soil

c.

Improve plant growth

d.

Is present in plant ash

Edit

Question 126

Question MCQ▾

Loranthus is a

Choices

Choice (4)Response

a.

partial stem parasite

b.

total stem parasite

c.

partial root parasite

d.

total root parasite

Edit

Question 127

Question MCQ▾

Flowering in pineapple is promoted by

Choices

Choice (4)Response

a.

NAA

b.

Cytokinin

c.

GA2

d.

Ethylene

Edit