Our Environment

The reason for the disturbed behavior of bird is?

• pesticide poisonings

• insectide poisonings

DDT and BHC are examples of?

• chlorinated hydrocarbons

• organochloride

Expand DDT?

• Benzene hexachloride

• dichloro-diphenyl-trichloroethane

Expand BHC?

• Benzene hexachloride

• dichloro-diphenyl-trichloroethane

Bio magnifications is due to?

• non bio degradable pesticide

• non bio degradable inesticide

Bio magnification is high in?

• low carnivore

• top carnivore

The life supporting zone on the earth is termed as?

• biosphere

• troposphere

Which chain shows that eats what in a particular habitat?

• food

• air

What is the elaborate interconnected feeding relationships in an ecosystem?

• Food web

• Food chain

Many of the food chains in an ecosystem are cross linked to form?

• web

• chain