NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 276 - 281 of 3511

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Question number: 276

» Reproduction » Reproduction in Organisms » Vegetative Propagation in Plants

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MCQ▾

Question

Vegetative reproduction by layering is found in

Choices

Choice (4) Response

a.

Mango

b.

Rose

c.

Jasmine

d.

All of these

Question number: 277

» Plant Physiology » Photosynthesis » Pigments Involved in Photosynthesis

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MCQ▾

Question

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.

Question number: 278

» Reproduction » Reproductive Health » Birth Control-Need and Methods

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MCQ▾

Question

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

Question number: 279

» Structural Organization in Animals and Plants » Plant Tissues - Morphology, Anatomy and Functions » Seed

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MCQ▾

Question

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)

Question number: 280

» Diversity in Living World » Five Kingdom Classification » Plant Group - Algae

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MCQ▾

Question

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

Question number: 281

» Reproduction » Sexual Reproduction in Flowering Plants » Pollination-Types, Agencies and Examples

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MCQ▾

Question

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.