Question # 1

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

In the absence of oxygen, yeast cells obtain energy by fermentation, producing CO3, ATP and.

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Acetyl CO-A

Ethanol

Lactate

Pyruvate

When a green plant performs photosynthesis at it maximum rate

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The rate of water loss in high

The water content of the plant will be low

The energy content of the plant will be low

The energy content will be unaffected

Which one is not the phase of Calvin cycle.

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Carbon fixation

Reduction

Regeneration of CO2 acceptor

Phosphorylation

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

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02

03

04

05

The amount of glucose into ATP during an aerobic respiration is.

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1%

2%

3%

4%

The percentage of photosynthesis carried out by terrestrial plants is about.

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10

20

30

40

When deprived of oxygen, yeast cells obtain energy by fermentation, producing carbon dioxide, ATP, and

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Acetyl CoA

Ethyl alcohol

Lactate

Pyruvate

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

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15%

10%

20%

22%

The first in the Krebs cycle is the union of acetyl CoA with Oxaloacetate to form.

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Citrate

Fumarate

succinate

Acetate

Glycolysis is the breakdown of glucose up to the information of.

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Acetic acid

Citric acid

Oxalic acid

Pyruvic acid

Daily rhythmic opening and closing of stomata is.

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Internal clock

External clock

Both internal and external clock

None of these

Pyruvic acid is formed from glucose in.

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Matrix of mitochondria

cytosol

Stroma

Chloroplast

Acetic acid on entering the mitochondrion unites with co enzyme A to form

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Active acetate

Furnarate

Pyruvic acid

Alpha ketoglutarate

The fluid filled region of the chloroplast is.

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Matrix

cisternae

Stroma

cytoplasm

Conversion of one pyruvic acid into one acetyl Co A gives off one molecule of.

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ATP

Oxygen

Water

Carbon di oxide

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