Environment Management

Which one of these is a biotic element?

• water

• air

• bacteria

• light

Every food chain begins with---------?

• grass

• phytoplanktons

• plants

• sun

----------can make their own food

• heterotrophs

• autotrophs

• decomposers

• animals

select the one which is not a green house gas

• carbon dioxide

• methane

• nitrous oxide

• sulphur oxide

Acid rains are caused due to high concentration of--------

• sulphur oxide

• CFCs

• methane

• ethane

How many pillars are there of sustainable development?

• 2

• 3

• 4

• 5

Select renewable source of energy amongst those given

• coal

• petroleum

• firewood

• wind

--------contributes to 55% of total primary energy production?

• petroleum

• coal

• natural gas

• nuclear energy

The term acid rain was first used by

• Robert Angus

• Robert ferraro

• Angel Angus

• Robert Hick

Pillars of sustainable development are

• social

• constitutional

• economical

• environmental