IAS 2010 — Biology

Some species of plants are insectivorous. Why?

Excessive release of the pollutant carbon monoxide (CO) into the air may produce a condition in which oxygen supply in the human body decreases. What causes this condition?

Widespread resistance of malarial parasite to drugs like chloroquine has prompted attempts to develop malarial vaccine to combat malaria. Why is it difficult to develop an effective malaria vaccine?