Question # 1

From one pyruvate passing through Krebs cycle how many FADH2 molecules are formed.

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01

02

03

04

Chlorophyll 'a' of photosystem I absorbs maximum light of.

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670 nm

700 nm

680 nm

690 nm

Which is stimulus for cyclic phosphorylation.

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Low CO2

Low O2

Low ATP

Low NADPH

Pyruvic acid is formed from glucose in.

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Matrix of mitochondria

cytosol

Stroma

Chloroplast

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

Absorption of blue light is maximum at

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430 nm

550 nm

750 nm

670 nm

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

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Pyruvate

ATP

NADH

Citrate

One of the following is not an accessory pigment.

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chlorophyll 'a'

Xanthophyll

Carotenes

Chlorophyll 'b'

The power house of the cell is

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Ribosome

RER

SER

Mitochondria

During respiratory chain co enzyme Q is oxidized.

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Cytochrome a

Cytochrome b

Cytochrome c

Cytochrome a3

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

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Co enzyme Q

Cytochrome b

Cytochrome a3

Plastocyanin

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

The citric acid cycle

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Takes place in the mitochondrion

Produces two molecules of NAD⁺for every glucose molecule processed

It is same as fermentation

Has no connection with the respiratory chain

The final product of glycolysis by is

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Citrate

Pyruvate

Fumarate

Malate

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

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Citrate

Fumarate

succinate

Acetate

Photosynthetic pigments organized into clusters are called.

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Tkoids

Photosynthesis

Stroma

Granna

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

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Acetic acid

Citric acid

Oxalic acid

Pyruvic acid

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Biology Fsc Part 1 Chapter 11 Online Test MCQs With Answers

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