Question # 1

Number of NADH molecules formed in Krebs cycle starting from one molecule of glucose

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6

3

2

1

The final acceptor of electrons in respiratory chain is

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Cyt. a

Cyt. a3

Water

Oxygen

Light absorbing part of chlorophyll is

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Phytol

Magnesium

Pyrrole

Porphyrin

Which of the following statement is true for absorption spectra of photosynthesis

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Chlorophyll a and b have same absorption spectra

Chlorophyll a and b have different absorption spectra

Chlorophyll a and carotenoids have same absorption spectra

Chlorophyll b and carotenoids have same absorption spectra

Which of the following oxidizes malate to oxaloacetate in kreb’s cycle?

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ATP

NADP+

NAD+

FAD

Where Photophosphorylation takes place in chloroplast?

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Stroma

Inner membrane

Outer membrane

Granum

What happens in the light phase of photosynthesis?

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ADP is hydrolyzed and NADP is oxidized

ATP is synthesized by photophosphorylation and NADP is reduced

ATP is hydrolyzed and NADPH is oxidized

ADP is hydrolyzed and NADP is reduced

The site for oxidative phosphorylation in mitochondria

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Mitochondrial matrix

Outer compartment

F1 particles

Cristae

First step of preparatory phase of glycolysis is

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Dehydration

Decarboxylation

Phosphorylation

Oxidation

It contains many types of pigment molecules

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Antenna complex

Reaction centre

Primary acceptor

All

Pick up 5 carbon compound

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Oxaloacetate

RuBP

Ketoglutarate

Both b and c

In krebs cycle, oxidation takes place in the formation of ___ without decarboxylation

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Succinate

Ketoglutarate

Malate

Fumrate

Which of the following is not absent in cyclic electron flow

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Photolysis

Phosphorylation

NADP reductase

PS ll

Which of the following occurs in the first step of payoff phase during glycolysis

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Reduction of 1 NAD

Oxidation of 2 NAD

Reduction of 2 NAD

Oxidation of 1 NAD

In a respiratory chain, each NADH produce ____ATPs

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1

2

3

4

Color of chlorophyll b is

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Blue green

Yellow green

Orange red

Yellow orange

Which of the following is incorrect about action spectrum

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It tells effectiveness of light

Valley is broad

Peaks are broad

It is indicated by consumption of CO2

Pick up the correct one related to tail of chlorophyll

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Hydrophilic

Light absorbing

Porphyrin

Hydrophobic

Indirect ATP is formed during the production of ___ in krebs cycle

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Isocitrate

Succinate

Citrate

Malate

What actually happens in light dependent reaction

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ATP synthesis, oxidation of NADP

ATP hydrolysis, oxidation of NADP

ATP synthesis, reduction of NADP

ATP hydrolysis, reduction of NADP

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