The term environment has been derived from a French word _________

(a)

Environ

(b)

Environs

(c)

Environia

(d)

Envir

The word biotic means environment

(a)

living

(b)

non-living

(c)

physical

(d)

None of the above

Ecosystem is smallest unit of

(a)

Ionosphere

(b)

Lithosphere

(c)

Biosphere

(d)

Mesosphere

Who developed Material Balance Models?

(a)

Thomas and Picardy

(b)

AlenKneese and R.Y. Ayres

(c)

Joan Robinson and J.M. Keynes

(d)

Joseph Stiglitz and Edward Chamberiin

Environmental goods are ____________

(a)

Market goods

(b)

Non-market goods

(c)

Both

(d)

None ofthe above