Plant Physiology (NEET Biology): Questions 109 - 115 of 257

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Question number: 109

» Plant Physiology » Transport in Plants » Transpiration Pull

MCQ▾

Question

Many transplanted seedling may not survive because

Choices

Choice (4) Response

a.

Most of the root hairs are lost during transpiration.

b.

They do not like the new soil.

c.

They do not get required mineral salts.

d.

The leaves get damaged.

Question number: 110

» Plant Physiology » Transport in Plants » Transpiration-Opening and Closing of Stomata

MCQ▾

Question

Gaseous exchange in land plants takes place through stomatal opening, while in submerged hydrophytes it takes place by

Choices

Choice (4) Response

a.

Lenticels

b.

Stomata

c.

Hydathodes

d.

General surface of the cells by diffusion

Question number: 111

» Plant Physiology » Transport in Plants » Active Transport

MCQ▾

Question

Ion uptake is called active because

Choices

Choice (4) Response

a.

energy is expended

b.

ions are active

c.

ions move freely

d.

None of the above

Question number: 112

» 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: 113

» Plant Physiology » Mineral Nutrients » Nitrogen Metabolism

MCQ▾

Question

Cytochrome oxidize has

Choices

Choice (4) Response

a.

Fe

b.

Mo

c.

Zn

d.

B

Question number: 114

» Plant Physiology » Transport in Plants » Transpiration Pull

MCQ▾

Question

Transpiration efficiency is the ratio of

Choices

Choice (4) Response

a.

Dry matter produced/hg. Of transpired water.

b.

Absorption to transpiration.

c.

Rate of ascent of sap to transpiration.

d.

Transpiration to area of the leaf.

Question number: 115

» Plant Physiology » Photosynthesis » Photorespiration C3 and C4 Pathways

MCQ▾

Question

Kreb’s cycle starts with the formation of six carbon compound by reaction between

Choices

Choice (4) Response

a.

Malic acid and acetyl CoA.

b.

Fuamric acid and pyruvic acid.

c.

Acetyl CoA and oxaloacetic acid.

d.

Succinic acid and pyruvic acid.

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