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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

In which of the following steps of respiration CO₂ is produced?

Choose an answer

Glycolysis

Krebs cycle

Electron transport chain

All of these

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Question # 3

Any environment factor, the absence or deficiency of which can decrease the rate of a metabolic reaction known as:

Choose an answer

Unlimited factor

Limiting factor

Both

None

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Question # 4

In which component of the leaf cells, chlorophill is present?

Choose an answer

Stroma

Thylakoids

Plasma membrane

Cytoplasm

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Question # 5

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 # 6

Form which bonds of ATP molecule, energy is taken?

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P-P bonds

C-H bonds

C-N bonds

C-O bonds

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Question # 7

ATP has ........... phosphate group.

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Two

Three

Four

Five

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Question # 8

The light reactions of photosynthesis take place on the _____________ of chloroplasts.

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Stroma

Thylakoid membrane

Lumen

Sacs

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Question # 9

Green plants capture ............ energy.

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Light energy

Solar energy

Tidal energy

Chemical energy

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Question # 10

Exchange of water vapours and gases occurs in leaf through:

Choose an answer

Stomata

Epidermics

Xylem

Phloem

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Question # 11

______________ is an inorganic compound of carbon which have poor energy value.

Choose an answer

Glucose

ATP

CO₂

NADPH

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Question # 12

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

Choose an answer

Chemical

Redox

Dark

Light

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