Question # 1

In a respiratory chain, each NADH produce ____ATPs

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1

2

3

4

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

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Blue

Orange

Red

Violet

Fermentation is

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Incomplete oxidation of proteins

Complete oxidation of carbohydrates

Aerobic respiration

Incomplete oxidation of carbohydrates

Number of ATPs required to phosphorylate RuP molecules in calvin cycle

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3

5

6

9

Iron containing proteins which act as carriers in ETC

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Plastoquinine

Cyt. complex

Plastocyanin

None

In this process a carbon dioxide molecule is released

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Lactic acid fermentation

Alcoholic fermentation

Glycolysis

Hydrolysis of glycogen

Which of the following is not absent in cyclic electron flow

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Photolysis

Phosphorylation

NADP reductase

PS ll

Cytochrome b is oxidized by ___ in respiratory chain

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Coenzyme Q

Cytochrome c

Cytochrome a

Oxygen

Spectrum which shows the effectiveness of absorbed light

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Absorption

Action

Emission

Affective

Color of chlorophyll b is

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Blue green

Yellow green

Orange red

Yellow orange

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

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NADH₂

FADH₂

FMNH₂

FAD

Light dependent reaction takes place in ___ of chloroplasts

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Stroma

Envelope

Thylakoids

Lumen

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

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

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 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

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

The final acceptor of electrons in respiratory chain is

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Cyt. a

Cyt. a3

Water

Oxygen

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

How many NADPH are required for the synthesis of one molecule of glucose

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3

6

12

18

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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