Man and His Environment — Biology MCQs (Class 12) Free Online

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Page 3 of 3

#17
Which one of the following is not a "Green-House gas"?

A) Methene

B) CO₂

C) Nitrous Oxide

D) Oxygen

Answer: D

Comments:

#18
Which one of the following is the reason for depletion ozone layer

A) CFC

B) O₂

C) N

D) UV

Answer: A

Comments:

#19
Which one of the following is regarded as non-conventional resource of energy?

A) Coal

B) Oil

C) Gas

D) Geo-thermal energy

Answer: D

Comments:

Page 3 of 3

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Man and His Environment — Biology MCQs (Class 12)

#17
Which one of the following is not a "Green-House gas"?

A) Methene

B) CO₂

C) Nitrous Oxide

D) Oxygen

Comments:

#18
Which one of the following is the reason for depletion ozone layer

A) CFC

B) O₂

C) N

D) UV

Comments:

#19
Which one of the following is regarded as non-conventional resource of energy?

A) Coal

B) Oil

C) Gas

D) Geo-thermal energy

Comments:

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Man and His Environment — Biology MCQs (Class 12)

#17 Which one of the following is not a "Green-House gas"?

A) Methene B) CO2 C) Nitrous Oxide D) Oxygen

Comments:

#18 Which one of the following is the reason for depletion ozone layer

A) CFC B) O2 C) N D) UV

Comments:

#19 Which one of the following is regarded as non-conventional resource of energy?

A) Coal B) Oil C) Gas D) Geo-thermal energy

Comments:

Quick Links

Quick Subject Links

#17
Which one of the following is not a "Green-House gas"?

A) Methene

B) CO₂

C) Nitrous Oxide

D) Oxygen

#18
Which one of the following is the reason for depletion ozone layer

A) CFC

B) O₂

C) N

D) UV

#19
Which one of the following is regarded as non-conventional resource of energy?

A) Coal

B) Oil

C) Gas

D) Geo-thermal energy