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

Question # 1

There are ... types of photosynthesis pigments.

Choose an answer

One

Two

Three

Four

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Question # 2

____________ is a co-enzyme.

Choose an answer

NAD⁺

NADH

AMP

None

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Question # 3

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

Choose an answer

Waves

Bonds

Heat

Chemical

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Question # 4

Redox reactions involve exchange of ____________

Choose an answer

Electrons

Protons

Neutrons

Atoms

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Question # 5

.................. does not require sunlight.

Choose an answer

Photosynthesis

Respiration

Both

None

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Question # 6

Electron transport chain takes place in:

Choose an answer

Mitochondria

Cytoplasm

Nucleus

Ribosomes

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Question # 7

The reactions which do not require light during photosynthesis are called __________ reactions.

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Chemical

Redox

Dark

Light

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Question # 8

Respiration is a.............. process.

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Constructive

DestructIon

Both

None

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Question # 9

The water and carbon dioxide are the ................ in photosynthesis.

Choose an answer

Reactants

Products

Both

None

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Question # 10

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

Choose an answer

Leaves could not get 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 # 11

Anaerobic respiration occurs in the absence of ............. .

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Oxygen

Carbon

Nitrogen

All

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Question # 12

Oxygen takes part in aerobic respiration in:

Choose an answer

Glycolysis

Link step between Glycolysis and krebs cycle

Electron transport chain

Krebs cycle

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Question # 13

......... is one of raw material for photosynthesis .

Choose an answer

Oxygen

Water

Carbon Dioxide

Nitrogen

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