Question # 1

Chlorophyll is complex .............. compound.

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Organic

Inorganic

Both

None

The concentration of carbon dioxide in the environment is:

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0.3%

0.03%

3%

3.01%

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

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CO2

H2O

O2

All

In living organisms, redox reactions involving the loss and gain of _____________ atom.

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Oxygen

Carbon

Nitrogen

Hydrogen

..................... Organisms cannot carry out photosynthesis.

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Autotrophic

Heterotrophic

Both

None

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

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Maximum

Minimum

Both

None

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

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Stroma

Thylakoid membrane

Lumen

Sacs

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

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KOH

KHCO₃

Ethanol

Iodine solution

Oxygen takes part in aerobic respiration is:

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Glycolysis

Link step between Glycolysis and Krebs cycle

Krebs cycle

Electron transport chain

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

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Oxygen

Carbon

Nitrogen

All

Electrons are passed to ETC to produce:

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AMP

ATP

ADP

NAD⁺

The breaking of one phosphate bond releases _________ kcal/mol of ATP.

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7.9

7.5

7.1

7.3

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

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Reactants

Products

Both

None

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