NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 499 - 504 of 3511

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Question number: 499

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

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MCQ▾

Question

Antherozoids of Selaginella has

Choices

Choice (4) Response

a.

Oval body with two flagella at one end.

b.

Elongated body with many flagella.

c.

An elongated body with two flagella at one end.

d.

Top shaped body with many flagella.

Question number: 500

» Genetics and Evolution » Heredity and Variation » Mendelian Inheritance

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Question

Change of male and female parents during crosses is known as

Choices

Choice (4) Response

a.

Back cross

b.

Reciprocal cross

c.

Test cross

d.

Monohybrid cross

Question number: 501

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

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MCQ▾

Question

Aggregate fruit develops from

Choices

Choice (4) Response

a.

Monocarpellary ovary.

b.

Multicarpellary, apocarpous ovary.

c.

Multicarpellary ovary.

d.

Multicarpellary, syncarpous ovary.

Question number: 502

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

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MCQ▾

Question

Transpiration ratio is the ratio of moles of H2O transpired/moles of CO2 fixed. This ratio is measure of

Choices

Choice (4) Response

a.

Effectiveness of stomata is maximizing in photosynthesis while minimizing in water loss.

b.

Distinguishing a xerophyte from glycophyte.

c.

The efficiency of guard cells on stomatal movement.

d.

Stomatal pore size of the leaves.

Question number: 503

» Genetics and Evolution » Heredity and Variation » Down's Syndrome, Turner's and Klinefelter's Syndromes

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MCQ▾

Question

Number of sex chromosomes is normal in

Choices

Choice (4) Response

a.

Klinefelter’s syndrome

b.

Turner’s syndrome

c.

Down’s syndrome

d.

Super female

Question number: 504

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

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MCQ▾

Question

Porous wood contains mainly

Choices

Choice (4) Response

a.

fibres

b.

solid secretions

c.

vessels

d.

tracheids