Biology - Mock Test 245

Question 2441

In alcoholic fermentation Pyruvic acid is broken down into?

A) Acetaldehyde B) Methyl alcohol C) Ethyl alcohol. D) Lactic aci

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Question 2442

Complete breakdown of glucose molecule takes place in which of the following?

A) Alcoholic fermentation B) Lactic acid fermentation C) Aerobic respiration. D) All of these

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Question 2443

Glycolysis takes place in?

A) Nucleus B) Cytosol C) Mitochondri1⃣ D) Ribosomes

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Question 2444

Photosystem II has molecules which absorbs maximum light of?

A) 680 nm B) 100 m C) 700 nm D) 670 nm

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Question 2445

Of the following, which one light - gathering?

A) Antenna complex B) Reaction centre C) Photosystem D) None of these

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Question 2446

NADPH2 provides?

A) assimilatory power B) chemical energy C) energized electrons D) All of these

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Question 2447

Reduction in photosynthesis is of?

A) O2 B) CO2 C) H2O D) light energy

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Question 2448

Stomata cover only _________ of leaf surface?

A) 0.03 - 0.04% B) 10% C) 1-2 % D) 50%

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Question 2449

Photosynthesis carried out by terrestrial plants is ____ of total photosynthesis?

A) 1-2% B) 5% C) 10% D) 20%

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Question 2450

Of the following, which one causes higher production of food in green plants?

A) Blue B) Orange C) Red D) Violet

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