Give the source and ill-effects of carbon monoxide.

Enlist the sources and ill-effects of carbon monoxide.

Give the source and ill-effects of chlorofluro carbons.

What are the effects of carbon monoxide?

Give the source of caffeine.

Give the source of cocaine.

Define opioids. Give their source and effects. Why is heroin called most dangerous drug?

Give the source and importance of statins.

What is soil erosion? Write the causes and ill effects of soil erosion. How will you prevent the soil erosion?

Give the ill-effects of alcohol on cerebellum.