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Biology 9th Class English Medium Chapter 7 Online Test MCQs With Answers

Question # 1

................. is called energy currency of cell.

Choose an answer

ADP

ATP

AMP

All

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Question # 2

Which of following set of organisms can synthesize their own food?

Choose an answer

Plants, fungi, protozoans

Fungi, algae, bacteria

Plants, photosynthetic bacteria, algae

Plants, non photosynthetic bacteria algae

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Question # 3

A ribose sugar has carbon atoms:

Choose an answer

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Question # 4

______________ reactions are the direct source of energy.

Choose an answer

Oxidation

Redox

Reduction

None

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Question # 5

The clusters of photosynthetic pigments are called:

Choose an answer

Thylakoids

Photosystems

Carotenoids

Chlorophyll a & b

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Question # 6

Carbon Dioxide is almost .......... percent in air.

Choose an answer

0,01

0.3

0,03

0.1

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Question # 7

Most of the energy during ATP formation escapes in the form of:

Choose an answer

Waves

Bonds

Heat

Chemical

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Question # 8

The double membrane enveloped of chloroplast surrounds a large ventral space called ............ .

Choose an answer

Strome

Grana

Intergrane

Thylakoid

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Question # 9

When we work hard we suffer form muscle fatigue muscle cells.

Choose an answer

Carry out aerobic respiration and so accumulate more CO₂

Carry out anaerobic respiration and so accumulate lactic acid

Carry out aerobic respiration at faster rate and so accumulate lactic acid

Carry out aerobic respiration at faster rate and so are tired

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Question # 10

The site for Calvin cycle is:

Choose an answer

Stroma

Grana

Plasmodesmata

Cytoplast

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Question # 11

krebs cycle occurs in ................. .

Choose an answer

Cytoplasm

Mitochondria

Lysosome

Nucleus

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Question # 12

____________ is a co-enzyme.

Choose an answer

NAD⁺

NADH

AMP

None

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Question # 13

intensity of light is ........ at midday.

Choose an answer

Maximum

Minimum

Both

None

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