NEET Biology: Questions 499 - 505 of 3146

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Question number: 499

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

MCQ▾

Question

Antherozoids of Selaginella has

Choices

Choice (4) Response

a.

Top shaped body with many flagella.

b.

Elongated body with many flagella.

c.

Oval body with two flagella at one end.

d.

An elongated body with two flagella at one end.

Question number: 500

» Genetics and Evolution » Heredity and Variation » Mendelian Inheritance

MCQ▾

Question

Change of male and female parents during crosses is known as

Choices

Choice (4) Response

a.

Test cross

b.

Back cross

c.

Reciprocal cross

d.

Monohybrid cross

Question number: 501

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

MCQ▾

Question

Aggregate fruit develops from

Choices

Choice (4) Response

a.

Multicarpellary ovary.

b.

Multicarpellary, syncarpous ovary.

c.

Monocarpellary ovary.

d.

Multicarpellary, apocarpous ovary.

Question number: 502

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

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.

Stomatal pore size of the leaves.

b.

The efficiency of guard cells on stomatal movement.

c.

Distinguishing a xerophyte from glycophyte.

d.

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

Question number: 503

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

MCQ▾

Question

Number of sex chromosomes is normal in

Choices

Choice (4) Response

a.

Turner’s syndrome

b.

Super female

c.

Down’s syndrome

d.

Klinefelter’s syndrome

Question number: 504

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

MCQ▾

Question

Porous wood contains mainly

Choices

Choice (4) Response

a.

fibres

b.

vessels

c.

tracheids

d.

solid secretions

Question number: 505

» Plant Physiology » Plant Growth and Development » Sequence of Developmental Process in a Plant Cell

MCQ▾

Question

The pigment involved in red-far red light interconversion is

Choices

Choice (4) Response

a.

Xanthophylls

b.

Phytochrome

c.

Cytochrome

d.

Lycopene

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