NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Biology: Questions 277 - 281 of 4199

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Question 277

Question MCQ▾

Which of the following occurs first in the light reaction?

Choices

Choice (4)Response

a.

Photolysis of water

b.

Evolution of ATP and O2.

c.

Production of O2 and NADPH2.

d.

Oxidation of chlorophyll.

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Question 278

Question MCQ▾

Surgical removal or cutting and ligation of the ends of oviduct is known as

Choices

Choice (4)Response

a.

Tubectomy

b.

Vasectomy

c.

Ovariectomy

d.

Oviductomy

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Question 279

Question MCQ▾

The plant whose seeds are known to have longest viability period is

Choices

Choice (4)Response

a.

Triticum vulgare (wheat)

b.

Nelumbo nucifera (lotus)

c.

Zizyphus jujube (bar)

d.

Carica papaya (papaya)

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Question 280

Question MCQ▾

In physiological anisogamy

Choices

Choice (4)Response

a.

Gametes are morphologically similar but physiologically dissimilar.

b.

Gametes are morphologically dissimilar and physiologically similar.

c.

Gametes are morphologically and physiologically similar.

d.

Question does not provide sufficient data or is vague

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Question 281

Question MCQ▾

Correct definition of pollination is

Choices

Choice (4)Response

a.

Visits of insects in flower.

b.

Germination of pollen grain.

c.

Growth of pollen tube in ovule.

d.

Transfer of pollen grain from anther to stigma.

Edit