Biology MCQs with Answers | Everyday Science – Page 75

Question 1481 Bioenergetics

The most important photosynthetic pigment?

Correct answer A. Chlorophyll a

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Question 1482 Bioenergetics

The dense fluid filled region in the chloroplast is

Correct answer B. Stroma

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Question 1483 Bioenergetics

In all plants the major sites of photosynthesis are?

Correct answer A. Leaves respire and utilize O2 and release CO2.

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Question 1484 Bioenergetics

Which is the correct order of energy transfer from assessory pigments to main photosynthetic pigment?

Correct answer C. Carotenoids ? Chlorophyll b ? Chlorophyll a.

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Question 1485 Bioenergetics

Which of the following pigment is Blue- green in color:

Correct answer A. Chlorophyll a

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Question 1486 Bioenergetics

Molecular formula of chlorophyll ‘a’ molecule is:

Correct answer A. C55H72O5N4Mg

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Question 1487 Bioenergetics

Which of the following statement about the head of a chlorophyll molecule is incorrect:

Correct answer D. It is hydrophobic

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Question 1488 Bioenergetics

Chlorophyll is insoluble in:

Correct answer D. Water

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Question 1489 Bioenergetics

Which of the light is mainly absorbed by the plants:

Correct answer D. Both A and B

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Question 1490 Bioenergetics

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

Correct answer D. Green

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Question 1491 Bioenergetics

Visible light used in photosynthesis ranges from:

Correct answer C. 380 - 750 nm in wavelength

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Question 1492 Bioenergetics

Van Neil hypothesis about the production of oxygen during photosynthesis was based on the study and investigations on?

Correct answer A. Bacteria

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Question 1493 Bioenergetics

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

Correct answer B. Compensation point

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Question 1494 Bioenergetics

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

Correct answer C. Photosynthesis

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Question 1495 Bioenergetics

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

Correct answer A. Plants

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Question 1496 Bioenergetics

Quantitative study of energy relationships in biological systems obeys.

Correct answer B. Laws of thermodynamics

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Question 1497 Bioenergetics

Which of the following is a compensation point:

Correct answer B. Photosynthesis and respiration occur at same rate. So there is not net exchange of gases between atmosphere and plants.

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Question 1498 Bioenergetics

C6H12O6 + 6O2? 6CO2 + 6H20 + ENERGY represents:

Correct answer B. Aerobic respiration

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Question 1499 Bioenergetics

Photosynthesis is process in which ____ compounds of carbon (CO2) and hydrogen (H2O) are reduced to carbohydrate like (glucose) using light energy.

Correct answer C. Energy poor

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Question 1500 Basic General Knowledge

Entomology is the science that studies?

Correct answer B. Insects

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