Biology [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 70 - 77 of 518

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Question number: 70

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Question

MCQ▾

Fluid Mosaic Model was given by

Choices

Choice (4)Response

a.

Singer and Nicolson

b.

Danielli and Davson

c.

Butschli

d.

Robertson

Question number: 71

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Question

MCQ▾

In hypertonic solutions

Choices

Choice (4)Response

a.

Solute concentration is high

b.

Water potential is high

c.

Water potential is low

d.

Solute concentration is low

Question number: 72

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Question

MCQ▾

Double-helical structure of DNA was given by

Choices

Choice (4)Response

a.

T. H. Morgan

b.

Watson & Crick

c.

Hugo debris

d.

Mendel

Question number: 73

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Question

MCQ▾

Which cell organelles is associated photorespiration?

Choices

Choice (4)Response

a.

ER

b.

Peroxisomes

c.

Golgi body

d.

Ribosome

Question number: 74

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Question

MCQ▾

Waste bag of cells is

Choices

Choice (4)Response

a.

Vacuoles

b.

Golgi Complex

c.

Plastid

d.

Lysosomes

Question number: 75

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Question

MCQ▾

Nucleus was discovered by

Choices

Choice (4)Response

a.

Robert Hook

b.

Venda

c.

Robert Brown

d.

Mendel

Question number: 76

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Question

MCQ▾

Function of nucleus is

Choices

Choice (4)Response

a.

Controls all the cellular activities

b.

Contains DNA

c.

Codes for proteins

d.

All a. , b. and c. are correct

Question number: 77

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Question

MCQ▾

Which of the following is not double membranous organelles

Choices

Choice (4)Response

a.

Mitochondria

b.

Nucleus

c.

Lysosomes

d.

Chloroplast