Question

Ozone layer depletion may lead to which of the following harmful effects in organisms?

• A. Skin cancer
• B. Cataract
• C. Damage to the immune system
• D. All of the above

Answer 1

Answer: (D)

All of the above

Ozone gas is found in the stratosphere of the atmosphere. The ozone layer protects the earth from the harmful ultraviolet rays emitted from the sun. Ozone layer depletion has many adverse serious environmental effects. It may result in global warming. The ultraviolet radiations exposure leads to skin cancer like malignant melanoma. It also increases the rate of ageing in an individual. It also has harmful effect on the eyes. It may cause cataract. Immune system is also affected by this harmful ultraviolet radiations. Apart from humans, ozone layer depletion affects marine, aquatic and other forms of life as well.

Thus, the correct answer is 'All of the above.'