Question # 1

Thylakoid membranes are involved in ATP synthesis by.

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Glycolysis

Dark reaction

Chemlosmosis

Photolysis

The product of succinic acid by the action of enzyme is.

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Citric acid

Pyruvic acid

Malonic acid

Fumaric Acid

The first step of krebs cycle is union of acetyl co A with oxaloacetate to form.

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Isocitrate

Citrate

Malate

Alpha ketoglutarate

Which one is not the phase of Calvin cycle.

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Carbon fixation

Reduction

Regeneration of CO2 acceptor

Phosphorylation

From one pyruvate passing through Kreb's cycle FADH2 molecules are formed.

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1

2

3

4

Co-enzyme Q is in turn oxidized by cytochrome

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a

a³

a²

b

End product of an aerobic respiration in yeast.

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Lactic acid

Methyl alcohol

Ethyl alcohol and CO2

Ethyl alcohol only

The mechanism for ATP synthesis is

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Chemosynthesis

Photosynthesis

Chemiosmosis

Phosphorylation

In the first step of citric acid cycle, acetyl CoA reacts with oxaloacetate to form

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Pyruvate

Citrate

NADH

ATP

A kind of chemicals link between anabolism and catabolism.

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ATP

Protean

Glucose

None of these

Total photosynthesis is carried out by the terrestrial plants in about.

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15%

10%

20%

22%

Haem portion of hemoglobin is same to porphyrin ring with a difference of.

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Carbon atom

Hydrogen atom

Iron atom

Oxygen atom

Which one of the following is not concerned with oxidative phosphorylation.

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Co enzyme Q

Cytochrome b

Cytochrome a3

Plastocyanin

During the dark reaction of photosynthesis, the main process that occurs is

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Release of oxygen

Energy absorption by the chlorophyll

Adding of hydrogen to the carbon dioxide

Formation of ATP

The number of oxidation steps during one Krebs. cycle are.

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02

03

04

05

In the citric acid cycle acetyle COA reacts with oxaloacetate to form

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Pyruvate

ATP

NADH

Citrate

Carbon di oxide enters the leaves through.

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epidermis

Cuticle

Stomata

Air space

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