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Evolution

Which of the ...

Question

Which of the following gas was not present in the early earth atmosphere?
(a) Ammonia
(b) Oxygen
(c) Hydrogen sulphide
(d) Methane

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Solution

(b) Oxygen
Oxygen was absent in early earth atmosphere.

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Similar questions

Q. Which of the following statements are correct with respect to origin of earth?
a. There was no atmosphere on early earth.
b. Water vapour, methane, carbon dioxide and ammonia were released from molten mass which covered the earth.
c. Oxygen gas was released from plants during photosynthesis.

Q. Read the following statements (A - D) and identify the correct statements about Miller’s experiment.

(A) The electrical discharge in spark chamber provided a temperature of 120℃.
(B) Methane, ammonia, and hydrogen are taken in the ratio of 2:1:2 along with water vapour.
(C) The experiment was done for a period of seven days continuously.
(D) The closed flask resembled early Earth's oxidising atmosphere.

Q. A gas mixture contains equal weights of ammonia and hydrogen sulphide. If the total pressure of mixture is

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atmospheres, partial pressure of hydrogen sulphide in atmospheres is:

Question 12
Which of the following is not a greenhouse gas?

(a) Methane
(b) Carbon dioxide
(c) Carbon monoxide
(d) Ammonia

Q. Question 12
Which of the following is not a green house gas?

(a) Methane
(b) Carbon dioxide
(c) Carbon monoxide
(d) Ammonia

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