NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 295 - 300 of 3511

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Question number: 295

» Genetics and Evolution » Heredity and Variation » Chromosomal Disorders in Humans

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Question

Phenylketonuria is a genetic disorder of

Choices

Choice (4)Response

a.

Trisomic condition

b.

Autosomal dominant gene

c.

Monosomic condition

d.

Autosomal recessive gene

Question number: 296

» Human Physiology » Neural Control and Coordination » Reflex Action

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Question

Increase in gastro-intestinal secretion and movement after ingestion of food is mainly brought about by

Choices

Choice (4)Response

a.

Hormone secreted system

b.

Sympathetic nervous system

c.

Central nervous system

d.

Parasympathetic nervous system

Question number: 297

» Plant Physiology » Photosynthesis » Pigments Involved in Photosynthesis

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MCQ▾

Question

During photochemical reactions of photosynthesis

Choices

Choice (4)Response

a.

Liberation of O2 and formation of ATP and NADPH2

b.

Assimilation of CO2 takes place.

c.

Formation of ATP and NADPH2 takes place.

d.

Liberation of oxygen takes place.

Question number: 298

» Ecology and Environment » Ecosystem » Ecological Services-Carbon Fixation, Pollination, Oxygen Release

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MCQ▾

Question

Burning of fossil fuels affects

Choices

Choice (4)Response

a.

Nitrogen cycle

b.

Phosphorus cycle

c.

Carbon cycle

d.

Water cycle

Question number: 299

» Ecology and Environment » Environmental Issues » Radioactive Waste Management

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Question

Zone of atmosphere near the ground is called

Choices

Choice (4)Response

a.

Homosphere

b.

Mesosphere

c.

Stratosphere

d.

Troposphere

Question number: 300

» Reproduction » Sexual Reproduction in Flowering Plants » Special Modes-Apomixis, Parthenocarpy, Polyembryony

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Question

Despite high level of heterozygosity, the progeny derived from seed of a cross pollinated plant was found to be completely uniform. One reason for this may be the phenomenon of

Choices

Choice (4)Response

a.

polyploidy

b.

Induced mutation

c.

Apomixes

d.

Parthenocarpy

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