Question

Choose the option giving correct matching the items given in column-I & II.

	Column- I		Column-II
A	Physical environment	(i)	Ozone layer depletion
B	Exposure to UV radiation	(ii)	Bacteria and  Fungi
C	Chlorofluoro Carbon compounds	(iii)	Abiotic  components
D	Decomposers	(iv)	Skin Cancer

विकल्प

• A - (iii), B - (i), C - (iv), D - (ii)

• A - (iii), B - (iv), C - (i), D - (ii)

• A - (iii), B - (iv), C - (ii), D - (i)

• A - (iii), B - (i), C - (ii), D - (iv)

Answer 1

A - (iii), B - (iv), C - (i), D - (ii)

Explanation:

Abiotic factors are nonliving components of an ecosystem that influence their surroundings. Examples could be light, water, and temperature in a terrestrial habitat. Abiotic elements in a marine ecosystem would be salinity and ocean currents.

The ozone layer is being destroyed by chlorofluorocarbons (CFC). The ozone layer helps block dangerous UV rays that might otherwise harm plants and humans by causing skin cancer. Strong UV radiation, chlorine atom release, and ozone molecule reaction are all caused by chemical reactions that CFCs initiate. Decomposers, such as bacteria and fungi, convert organic matter that has died and decomposed into a more simple form. It gives the earth the nutrients back.