Plant Physiology (NEET Biology): Questions 38 - 44 of 257

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Question number: 38

» Plant Physiology » Photosynthesis » Photochemical and Biosynthetic Phases

MCQ▾

Question

Discovery of Emerson effect has clearly shows the existence of

Choices

Choice (4) Response
a.

Light and dark reactions in photosynthesis.

b.

Two distinct photochemical reactions or processes.

c.

Photophorylation.

d.

Photoreaspiration.

Question number: 39

» Plant Physiology » Photosynthesis » Factors Affecting Photosynthesis

MCQ▾

Question

Which of the following inhibits O2 release in light phase?

Choices

Choice (4) Response
a.

DCMU

b.

PMA

c.

Zeatin

d. All of the above

Question number: 40

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

MCQ▾

Question

A pair of insectivorous plants is

Choices

Choice (4) Response
a.

Drosera and Rafflesia

b.

Dionaea and Viscum

c.

Nepenthes and Bladderwort

d.

Venus fly trap and Rafflesia

Question number: 41

» Plant Physiology » Photosynthesis » Photorespiration C3 and C4 Pathways

MCQ▾

Question

Ganong’s respiroscope is used to demonstrate………

Choices

Choice (4) Response
a.

evolution of oxygen during photosynthesis

b.

evolution of carbon dioxide during fermentation

c.

production of heat during aerobic respiration

d.

production of carbon dioxide during aerobic respiration

Question number: 42

» Plant Physiology » Mineral Nutrients » Essential Minerals

MCQ▾

Question

which of the following, one element has not been proved to be essential in plants?

Choices

Choice (4) Response
a.

Iron

b.

Zinc

c.

Potassium

d.

Sodium

Question number: 43

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

MCQ▾

Question

Differentiation of shoot is controlled by

Choices

Choice (4) Response
a.

High gibberellin: auxin ratio.

b.

High cytokinin: auxin ratio.

c.

High gibberellin: cytokinin ratio.

d.

High auxin: cytokinin ratio.

Question number: 44

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

MCQ▾

Question

Santalum album is

Choices

Choice (4) Response
a.

total root parasite

b.

partial stem parasite

c.

partial root parasite

d.

total stem parasite

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