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

Question # 1

The potential energy is stored in chemical bonds and is released as _____________ energy when these bonds break.

Choose an answer

Heat

Light

Kinetic

Solar

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Question # 2

No life would be possible if the process of .............. stops.

Choose an answer

Respiration

Photosynthesis

Both

None

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Question # 3

By-Product of Photosynthesis is:

Choose an answer

Glucose

Carbon dioxide

Oxygen

None of these

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Question # 4

Dalk reaction takes place in the .......... of chloroplasts.

Choose an answer

Grana

Strome

Intergrana

All

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Question # 5

When a plant was kept in darkness for many days, its leaves turnes yellow. Why?

Choose an answer

Leaves could not yet oxygen and so there was no photosynthesis

Leaves could not get light and so there was no respiration

Leaves could not get oxygen and so there was no respiration

Leaves could not get light and so there was no photosynthesis

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Question # 6

There are ......... types of photosystem.

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One

Two

Three

Four

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Question # 7

The 6-carbon compounds during the dark reactions of photosynthesis split into ____________ carbon compound.

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Question # 8

The major energy currency of all cells is:

Choose an answer

ADP

ATP

AMP

P-bonds

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Question # 9

Bactelio-chlorophyll is found in ............ .

Choose an answer

Virus

Bacteria

Both

None

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Question # 10

All ............. cells are always performing functions.

Choose an answer

Living

Non-living

Both

None

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Question # 11

Fermenting powers of bacteria are used in making:

Choose an answer

Soya sauce

Bread

Cheese

Cheese and yogurt

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Question # 12

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

Choose an answer

0,01

0.3

0,03

0.1

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Question # 13

ATP molecule was discovered by:

Choose an answer

Fritz Lipmann

Calvin

Karl Lohmann

Hans krebs

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