Question

Select the mis-matched pair in the following and correct it. 

विकल्प

• Biomagnification - Accumulation of chemicals at the successive trophic levels of a food chain

• Ecosystem - Biotic components of environment

• Aquarium - A man-made ecosystem

• Parasites - Organisms which obtain food from other living organisms

Answer 1

The mis-matched pair is (b) and correct pair is:
Ecosystem - Biotic and abiotic components of environment