Question # 1

the hypothesis that plants split water as a source of hydrogen was given by.

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Van Niel

Kreb

Pasteur

Calvin

During respiratory chain co enzyme Q is oxidized.

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Cytochrome a

Cytochrome b

Cytochrome c

Cytochrome a3

Energy poor inorganic oxidized compounds are reduced to energy rich carbohydrates during.

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Respiration

Photosynthesis

Growth

Development

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

Magnesium of chlorophyll is replaced in hemoglobin by.

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Calcium

Iron

Potassium

Phosphorus

Haem portion of hemoglobin is same to porphyrin ring with a difference of.

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Carbon atom

Hydrogen atom

Iron atom

Oxygen atom

Calvin cycle is also known as

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C1 Pathway

C2 pathway

C3 Pathway

C4 Pathway

The mechanism for ATP synthesis is

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Chemosynthesis

Photosynthesis

Chemiosmosis

Phosphorylation

The electron transport chain system play role in generation of ATP by.

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Photosynthesis

Chemiosmosis

Dark reaction

Photosynthesis

In respiratory chain NAHD is oxidized by

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Co factor

co enzyme

Cytochome 'b'

Cytochrome 'C'

When deprived of oxygen, yeast cells obtain energy by fermentation, producing carbon dioxide, ATP, and

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Acetyl CoA

Ethyl alcohol

Lactate

Pyruvate

Acetic acid on entering the mitochondrion unites with co enzyme A to form

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Active acetate

Furnarate

Pyruvic acid

Alpha ketoglutarate

Before pyruvate enters the citric acid cycle, it is decarboxylated, oxidized and combined with coenzyme A forming acetyl CoA, carbon dioxide and one molecule of

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NADH

FADH₂

ATP

ADP

The moment of plants when carbon di oxide required by photosynthesis is termed as.

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Compensation point

Homeostasis

Chemisoris

Action spectrum

Which one is not the phase of Calvin cycle.

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Carbon fixation

Reduction

Regeneration of CO2 acceptor

Phosphorylation

End product of an aerobic respiration in yeast.

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Lactic acid

Methyl alcohol

Ethyl alcohol and CO2

Ethyl alcohol only

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Biology Fsc Part 1 Chapter 11 Online Test MCQs With Answers

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