Question # 1

Water makes the compositon of protoplasm of all living organisms

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50-60%

60-70%

60-80%

60-90%

Aerobic respiration needs free ............. .

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Carbon

Nitrogen

Oxygen

None

Third kingdom i.e. protista was proposed by:

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Margulis

Schwartz

Ernst Hackel

Tournefort

Robert Hooke able to magnify thin slices of cork .......... times.

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10

20

30

40

In which compound of the leaf cells, chlorophyll is present?

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Stroma

Thylakoids

Plasma membrane

Cytoplasm

.............. is water-soluble vitamin.

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Vitamin A

Vitamin C

Vitamin D

Vitamin K

What is greatest threat to biodiversity on this planet?

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Habitat loss

Deforestation

Overpopulation

B and C

Which of the following organelle is found in both prokaryotes and eukaryotes?

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Ribosomes

Mitochondria

Chloroplast

Endoplasmic reticulum

metabolism is the some of the ................. proesses.

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Chemical

Physical

Both

None

Cell of fungi is made up of:

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Chitin

Cellulose

Murein

All

Chemically synthesized urea is a ____________ fertilizer.

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Organic

Inorganic

Both

None

The percentage of inorganic salts and in the plasma is:

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0.6

0.7

0.8

0.9

_____________ modified the Whittaker system.

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Aristotle

Margulies

Sachwartz

Both a and b

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