Biology MCQs with Answers | Everyday Science – Page 74

Question 1461 Biological Molecules

Specific heat of vaporization of water is:

Correct answer A. 574 Kcal/kg

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Question 1462 Biological Molecules

The property of water due to which it works as a temperature stabilizer and hence protect living organisms from sudden thermal changes is:

Correct answer B. High specific heat capacity

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Question 1463 Biological Molecules

The number of calories required to raise the temperature of 1g of water from 15 to 16?C is called?

Correct answer B. Specific Heat capacity

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Question 1464 Biological Molecules

Which statement is true about an aqueous medium?

Correct answer C. Ions and molecules move randomly and are therefore in a more favourable state to react with other molecules and ions.

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Question 1465 Biology

% of water in brain cells is?

Correct answer C. 85%

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Question 1466 General Knowledge

The fish that has four hearts,one nostril,no jaws and no stomach is?

Correct answer D. Hagfish

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Question 1467 Biological Molecules

Which bond provides stability to complex carbohydrate molecules?

Correct answer C. C-C

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Question 1468 Biological Molecules

The bond formed when two or more atoms complete their electron shells by sharing electrons is called:

Correct answer C. Covalent bond

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Question 1469 Biological Molecules

Which one is the basic element of organic compounds?

Correct answer D. Carbon

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Question 1470 Biological Molecules

Which chemical component has the same % in bacterial as well as the mammalian cell?

Correct answer A. Water

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Question 1471 Biological Molecules

Which one is an organic compound?

Correct answer C. Lipids

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Question 1472 Biological Molecules

The branch of biology which deals with the study of chemical compounds and the chemical processes in the fliving organisms is called:

Correct answer B. Biochemistry

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Question 1473 Bioenergetics

From one pyruvate passing through Kreb’s cycle, how many NADH are formed?

Correct answer C. 3

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Question 1474 Bioenergetics

In Anaerobic respiration only ____ % of the energy present within the chemical bond of glucose is converted into ATP.?

Correct answer B. 2%

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Question 1475 Bioenergetics

In which of the following component of the body, lactic acid fermentation takes place:

Correct answer D. Muscles

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Question 1476 Bioenergetics

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

Correct answer C. Aerobic respiration.

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Question 1477 Bioenergetics

Glycolysis takes place in?

Correct answer B. Cytosol

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Question 1478 Bioenergetics

Of the following, which one light – gathering?

Correct answer A. Antenna complex

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Question 1479 Bioenergetics

The percentage of light absorbed by the leaf?

Correct answer D. 1%

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Question 1480 Bioenergetics

About ____ % of photosynthesis is carried by terrestrial plants, while rest occurs in ocean, lakes, and ponds.

Correct answer A. 10%

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