Plant Physiology (NEET Biology): Questions 171 - 178 of 257

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Question number: 171

» Plant Physiology » Mineral Nutrients » Deficiency Symptoms

MCQ▾

Question

In plants a common symptom caused by deficiency of P, K, Ca and Mg is the

Choices

Choice (4) Response

a.

Appearance of dead necrotic areas.

b.

Bending of leaf tip

c.

Formation of anthocyanin

d.

Poor development of vasculature

Question number: 172

» Plant Physiology » Photosynthesis » Photorespiration C3 and C4 Pathways

MCQ▾

Question

How many Calvin cycle form one hexose molecule?

Choices

Choice (4) Response

a.

6

b.

8

c.

4

d.

2

Question number: 173

» Plant Physiology » Transport in Plants » Water Potential

MCQ▾

Question

The transport of water and salts takes place through

Choices

Choice (4) Response

a.

Phloem

b.

Sieve tubes

c.

Sclerenchyma

d.

Xylem

Question number: 174

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

MCQ▾

Question

Opening and closing of stomata is controlled by

Choices

Choice (4) Response

a.

N

b.

Mg2+

c.

K+

d.

Ca2+

Question number: 175

» Plant Physiology » Photosynthesis » Pigments Involved in Photosynthesis

MCQ▾

Question

Which of the following wavelength occur in red part of the spectrum?

Choices

Choice (4) Response

a.

830 nm

b.

470 nm

c.

390 nm

d.

680 nm

Question number: 176

» Plant Physiology » Photosynthesis » Photorespiration C3 and C4 Pathways

MCQ▾

Question

In Hatch and Slack pathway

Choices

Choice (4) Response

a.

Have in Kranz anatomy where mesophyll have small chloroplast whereas bundle sheath have agranal chloroplast.

b.

Have kranz anatomy where mesophyll and bundle sheath both have small chloroplast.

c.

Have kranz anatomy where mesophyll cell are diffused.

d.

Have chloroplast of same type.

Question number: 177

» Plant Physiology » Transport in Plants » Absorption

MCQ▾

Question

Solutes are absorbed by a plant cell through

Choices

Choice (4) Response

a.

diffusion

b.

osmosis

c.

active absorption

d.

passive absorption

Question number: 178

» Plant Physiology » Photosynthesis » Pigments Involved in Photosynthesis

MCQ▾

Question

The first experiment on photosynthesis in flashing light were carried out by

Choices

Choice (4) Response

a.

Robert Hill

b.

Robert Mayer

c.

F. F. Blackman

d.

Melvin Calvin

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