Question # 1

Iron containing proteins which act as carriers in ETC

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Plastoquinine

Cyt. complex

Plastocyanin

None

Very first product formed from carbon fixation in a calvin cycle

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Unstable 3C compound

Unstable 6 Carbon compound

Stable 3C compound

Stable 6C compound

Components of respiratory electron transport chain are

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2

3

4

5

How many molecules of ATP would be utilized for phosphorylation of one glucose molecule during glycolysis?

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Five

Four

Three

Two

Fermentation is

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Incomplete oxidation of proteins

Complete oxidation of carbohydrates

Aerobic respiration

Incomplete oxidation of carbohydrates

Which of the following is a CO2 acceptor

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Rubisco

Water

RuBP

Citrate

Splitting of water in sunlight is called

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Lysis

Photolysis

Condensation

Hydrolysis

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

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ATP

NADP+

NAD+

FAD

Light absorbing part of chlorophyll is

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Phytol

Magnesium

Pyrrole

Porphyrin

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

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

First step of preparatory phase of glycolysis is

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Dehydration

Decarboxylation

Phosphorylation

Oxidation

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

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1%

2%

5%

10%

In Krebs cycle hydration occurs during the conversion of

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Citrate into isocitrate

Malate into fumarate

Citrate into malate

Fumarate into malate

Where Photophosphorylation takes place in chloroplast?

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Stroma

Inner membrane

Outer membrane

Granum

Number of ATPs required to phosphorylate RuP molecules in calvin cycle

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3

5

6

9

In glycolysis 2PG is converted to PEP by

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Dehydration

Decarboxylation

Phosphorylation

Oxidation

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

In Glycolysis the net gain is 2 ATP and 2 molecules of

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NADH₂

FADH₂

FMNH₂

FAD

Pick up the correct one related to tail of chlorophyll

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Hydrophilic

Light absorbing

Porphyrin

Hydrophobic

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