Plant Physiology (NEET Biology): Questions 138 - 144 of 261

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Question number: 138

» Plant Physiology » Transport in Plants » Movement of Water, Gases and Nutrients

MCQ▾

Question

Conduction of inorganic materials in plants occur mainly through or Minerals absorbed by roots move at the leaf through

Choices

Choice (4) Response

a.

xylem

b.

sieve tube

c.

phloem

d.

All of the above

Question number: 139

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

MCQ▾

Question

Under what conditions the rate of transpiration increases?

Choices

Choice (4) Response

a.

Decrease of temperature.

b.

Decrease of humidity

c.

Increase of atmospheric pressure.

d.

Increase of humidity.

Question number: 140

» Plant Physiology » Mineral Nutrients » Deficiency Symptoms

MCQ▾

Question

The cauliflower become brown due to deficiency of

Choices

Choice (4) Response

a.

Sodium

b.

Boron

c.

Nitrogen

d.

Calcium

Question number: 141

» Plant Physiology » Transport in Plants » Guttation

MCQ▾

Question

Guttation is caused due to

Choices

Choice (4) Response

a.

Transpiration

b.

Imbibition

c.

Osmosis

d.

Positive root pressure

Question number: 142

» Plant Physiology » Mineral Nutrients » Deficiency Symptoms

MCQ▾

Question

Yellowing of tea leaf takes place by the deficiency of

Choices

Choice (4) Response

a.

Chlorine

b.

Potassium

c.

Sulphur

d.

Oxygen

Question number: 143

» Plant Physiology » Photosynthesis » Site of Photosynthesis Take Place

MCQ▾

Question

The first step in dark reaction of photosynthesis is

Choices

Choice (4) Response

a.

Attachment of CO2 to a pentose sugar

b.

Formation of ATP

c.

Excitement of election of chlorophyll by a photon of light.

d.

Lonization of water

Question number: 144

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

MCQ▾

Question

Where would you look for active cell division in plant?

Choices

Choice (4) Response

a.

In the internodal region.

b.

In the pith cells.

c.

In the cells of cortex.

d.

At the tip of root and shoot.

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