Plant Anatomy and Physiology MCQs with Answers 2027

Q281

With the return of the electron from the excited singlet state to the ground state, the energy previously absorbed can be given off as radiation energy by the phenomenon known as

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Q282

Open question

In which one of the following physiological processes, excess water escapes in the form of droplets from a plant?

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Q283

Open question

Halophytes growing in marshy places near sea shore form a special vegetation known as

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Q284

Open question

In which of the following structures of enzyme the polypeptide chains are usually twisted spirally to form a helix and its amino acids at places are connected together by additional hydrogen bonds to provide stability?

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Q285

Open question

During microsporogenesis the nucleus of each microspore mother cell undergoes

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Q286

Open question

In which of the following quadrats, in the beginning, all the plants are removed and the observations and recording are done on the basis of the ways of reentrance of plants there?

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Q287

Open question

The flow of energy in ecosystems, from sunlight through photosynthesis in autotrophic producers, through the tissues of herbivorous primary consumers, and the tissue of carnivorous secondary consumers, determines

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Q288

Open question

Study the following statements.
1. Glycolysis takes place in cytoplasm.
2. Kreb's cycle takes place in mitochondria.
3. Electron transport chain takes place in mitochondria.
Which of the statements given above are true ?

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Q289

Open question

Which one among the following hormones stimulates the plant cells to grow in a manner such that the plant are to be bent towards light?

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Q290

Open question

Aquaculture in estuarine water is known as

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Q291

Open question

When the bark of a tree is removed in a circular fashion all around near its base, it gradually dries up or dries because

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Q292

Open question

In arctic and alpine climates where temperature is very low and the favourable period for blossoming is very brief,

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Q293

Open question

Which of the following formations occurs in plains around Lanka and Hojai which are surrounded on the north and east by the Mikir hills and on the south-west by the North Cachar and Jaintia hills?

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Q294

Open question

The process of ATP formation by the transfer of phosphate from one of the intermediates of the glycolytic pathway to ADP is termed as

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Q295

Open question

Match List-I (Tropical evergreen woodlands) with List-II (Locations) and select the correct answer:

List-I	List-II
a. Chaparral	1. Pacific coast
b. Maquis	2. Australia's south coast
c. Encinar	3. Spain
d. Melle scrab	4. Mediterranean

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Q296

Open question

Which of the following processes makes direct use of oxygen?

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Q297

Open question

Consider the following statements regarding com smut disease and choose the correct answer:
1. No symptoms appear on the host plant before the formation of smut ball
2. The smut balls appear on the ears or stems
3. The galls at an early stage are dark coloured and inedible
4. Towards maturity the tumours tum sooty due to spore formation inside

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Q298

Open question

In India, the Central Government passed 'Destructive Insects and Pests Act' in

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Q299

Open question

A large number of identical plants can be obtained in a short span of time through

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Q300

Open question

The main photosynthetic pigments in the plants are

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