Question 16
Which of the following is a recently originated problem of environment?

(a) Ozone layer depletion
(b) Greenhouse effect
(c) Global warming
(d) All of the above

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Solution

(d) All of the above

Due to extensive use of vehicles and thermoelectric plants, gaseous emission from industries, use of aerosol propellants, refrigerants, etc., leads to the emission of various harmful gases like sulphur dioxide, carbon dioxide, CFCs etc, in the atmosphere. These gases are major constituents of air pollution and are inter-linked in causing ozone layer depletion, greenhouse effect, and global warming.

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Question 16
Which of the following is a recently originated problem of environment?

(a) Ozone layer depletion
(b) Greenhouse effect
(c) Global warming
(d) All of the above

The greenhouse effect is caused due to ozone layer depletion.

Q74) How are Green House Effect and Ozone layer depletion related?

i) Greenhouse effect causes ozone layer depletion

ii) Ozone layer depletion causes greenhouse effect.

iii) There is no relation between the two phenomena.

iv) Chlorofluorocarbons are one of the culprits in both the cases.

Which of the above statements are true?

Q. Assertion (A) : Ozone depletion leads to global warming.
Reason (R) : UV rays cause destruction of the ozone layer.

Q. Assertion: Global warming is resulting in ozone layer depletion.

Reason: UV rays cause photodissociation of ozone to oxygen.

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Air Pollution

Standard X Biology

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Question 16 Which of the following is a recently originated problem of environment? (a) Ozone layer depletion (b) Greenhouse effect (c) Global warming (d) All of the above

Question 16
Which of the following is a recently originated problem of environment?

(a) Ozone layer depletion
(b) Greenhouse effect
(c) Global warming
(d) All of the above