Biology [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 20 - 27 of 518

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Question 20

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Question

MCQ▾

Osmosis is

Choices

Choice (4)Response

a.

Special type of diffusion which include movement of water molecule

b.

Does not required energy

c.

Movement of water is from high water potential to low water potential

d.

All a. , b. and c. are correct

Question 21

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Question

MCQ▾

DNA is present in

Choices

Choice (4)Response

a.

Cytoplasm

b.

Nucleus

c.

Mitochondria

d.

Both b. and c. are correct

Question 22

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Question

MCQ▾

DNA-protein complex is known as

Choices

Choice (4)Response

a.

Gene

b.

Histone

c.

Glycoprotein

d.

Chromatin

Question 23

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Question

MCQ▾

ER is present in

Choices

Choice (4)Response

a.

Chromosome

b.

Nucleus

c.

Cytoplasm

d.

Question does not provide sufficient data or is vague

Question 24

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Question

MCQ▾

Plasmids, extra chromosomal genetic materials are present in

Choices

Choice (4)Response

a.

Plant cells

b.

Viruses

c.

Bacteria

d.

Animal Cells

Question 25

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Question

MCQ▾

Butschli has give

Choices

Choice (4)Response

a.

Unit membrane

b.

Sandwich model

c.

Fluid Mosaic model

d.

Colloidal theory for protoplasm

Question 26

Edit

Question

MCQ▾

Microtubule is made up of

Choices

Choice (4)Response

a.

β-tubulin

b.

α-tubulin

c.

Myosin

d.

Both a. and b. are correct

Question 27

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Question

MCQ▾

Prokaryotes have

Choices

Choice (4)Response

a.

Neither DNA nor histone

b.

DNA but not histone

c.

DNA and histone

d.

Either DNA or histone