Question # 1

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

When equal intensities of light are given, photosynthesis is maximum in ___ part

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Blue

Orange

Red

Violet

The final acceptor of electrons in respiratory chain is

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Cyt. a

Cyt. a3

Water

Oxygen

Color of chlorophyll b is

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Blue green

Yellow green

Orange red

Yellow orange

Splitting of water in sunlight is called

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Lysis

Photolysis

Condensation

Hydrolysis

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

It is universal hydrogen acceptor

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ATP

FMN

CoA

NAD

In glycolysis 2PG is converted to PEP by

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Dehydration

Decarboxylation

Phosphorylation

Oxidation

Pick up the correct one related to tail of chlorophyll

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Hydrophilic

Light absorbing

Porphyrin

Hydrophobic

Number of ATPs required to phosphorylate RuP molecules in calvin cycle

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3

5

6

9

How much energy present in chemical bonds of glucose converted into ATP

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1%

2%

5%

10%

Spectrum which shows the effectiveness of absorbed light

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Absorption

Action

Emission

Affective

Components of electron transport chain that works in Z-scheme are located

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In stroma

In thylakoid membranes

In lumen of thylakoids

Outside thylakoids

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

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6

3

2

1

PEP is converted to ___ by removal of phosphate

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Enol pyruvate

Pyruvate

Glyceraldehyde

3PG

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

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Succinate

Ketoglutarate

Malate

Fumrate

Pick up 5 carbon compound

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Oxaloacetate

RuBP

Ketoglutarate

Both b and c

Final acceptor of electrons in non cyclic phosphorylation is

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Cyt. Complex

ATP

Photosytem I

NADP

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

Which of the following is not formed during non cyclic phosphorylation

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ATP

NADPH

Oxygen

G3P

Most of the energy in the cell is liberated by oxidation of carbohydrates when

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Glucose is converted intoalcohol and CO2

Sugar is converted into pyruvic acid

Pyruvic acid is converted into CO₂ and H₂O

Pyruvic acid is converted into CoA

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