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

Question # 1

............... is an essential requirement of photosynthesis.

Choose an answer

CO2

H2O

All

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Question # 2

Chlorophyll pigment absorbs maximum light in wavelengths of:

Choose an answer

Green and blue

Green and red

Green only

Red and blue

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Question # 3

In which of the following metabolic processes, oxidation as well as reduction of molecules occur?

Choose an answer

Photosynthesis

Respiration

Both

None of these

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Question # 4

Ribose is a _______ carbon sugar.

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Two

Three

Five

Ten

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Question # 5

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

Choose an answer

Chemical

Redox

Dark

Light

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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

There are _________ P-bonds in an ATP molecule.

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Two

Nine

Six

Four

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Question # 8

Exchange of water vapours and gases occurs in leaf through:

Choose an answer

Stomata

Epidermics

Xylem

Phloem

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Question # 9

Which of the following chemical is used to identify the starch in leaves?

Choose an answer

KOH

KHCO₃

Ethanol

Iodine solution

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Question # 10

One molecule of glucose when broken down into CO2 H2O in aerobic respiration generates ........... ATP molecules.

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36 ATP

37 ATP

38 ATP

None of them

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Question # 11

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

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Constructive

DestructIon

Both

None

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Question # 12

In dark reaction first of all CO₂ combines with:

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5-carbon compound

6-carbon compound

3-carbon compound

Already present glucose

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Question # 13

A ribose sugar has carbon atoms:

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