Plant Physiology (NEET Biology): Questions 159 - 164 of 257

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Question number: 159

» Plant Physiology » Photosynthesis » Pigments Involved in Photosynthesis

MCQ▾

Question

Where does the primary photochemical reaction occur in chloroplast or Where does the light reactions of photosynthesis take place or Light reaction takes place in

Choices

Choice (4) Response
a.

stroma

b.

quantasome or thylokoids (grana)

c.

inner membrane of chloroplast

d.

endoplasmic reticulum

Question number: 160

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

MCQ▾

Question

Which of the following movement is not related to change in auxin levels?

Choices

Choice (4) Response
a.

Movement of sunflower tracking the direction of the sun.

b.

Movement of roots towards soil.

c.

Movement of shoot towards light.

d.

Nyctinastic leaf movement

Question number: 161

» Plant Physiology » Mineral Nutrients » Macro and Micronutrients

MCQ▾

Question

Which of the following minerals are required for ATP formation by plants?

Choices

Choice (4) Response
a.

K

b.

N, P

c.

N, Ca

d.

N, Cu

Question number: 162

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

MCQ▾

Question

Which one of the following will reduce the rate of transpiration?

Choices

Choice (4) Response
a.

Increase in water uptake by plants.

b.

Decrease in light intensity.

c.

Increase in wind velocity.

d.

Rise in temperature.

Question number: 163

» Plant Physiology » Mineral Nutrients » Nitrogen Metabolism

MCQ▾

Question

Most of the plants obtain or absorb nitrogen from soil in the form of

Choices

Choice (4) Response
a.

Nitrite

b.

Nitrates

c.

Free nitrogen gas

d.

Nitric acid

Question number: 164

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

MCQ▾

Question

An excised leaf does not turn yellow if it is induced to root. This is attributed to synthesis it root of OR Leaf ageing is retarded by

Choices

Choice (4) Response
a.

Ethylene

b.

Cytokinins

c.

Gibberellins

d.

Auxins

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