Biology - Mock Test 248

Question 2471

Molecular formula of chlorophyll 'a' molecule is?

A) C55H72O5N4Mg B) C55H70O6N4Mg C) C50H72O6N4Mg D) C55H70O5N4Mg

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Question 2472

Chlorophyll is insoluble in?

A) Carbon tetrachloride B) Alcohol C) Organic solvents D) Water

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Question 2473

Which of the light is mainly absorbed by the plants?

A) Orange B) Red C) Green D) Both A and B

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Question 2474

Which of the following light is least absorbed by the plants?

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

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Question 2475

Visible light used in photosynthesis ranges from?

A) 300 - 700 nm in wavelength B) 350 - 750 nm in wavelength C) 380 - 750 nm in wavelength D) 390 - 790 nm in wavelength.

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Question 2476

Van neil hypothesis about the production of oxygen during phosynthesis was based on the study and investigations on?

A) Bacteria B) Algae C) Protenema D) Cyanobacteria

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Question 2477

The point at which there is no net exchange of gases between leaves and atmosphere is known as?

A) Neutral point B) Compensation point C) Parallel point D) Competitive point

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Question 2478

Net yield of H2O in Photosynthesis is?

A) 1 molecule B) 6 molecules C) 3 molecules D) 0 molecule

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Question 2479

Of the following which one is not an energy releasing process?

A) Glycolysis B) Respiration C) Photosynthesis D) Kreb's cycle

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Question 2480

The organisms able to use sunlight directly as a source of energy are?

A) Plants B) Animals C) Omnivores D) Fungi

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