The coldest biome on Earth is

(a)

Tundra

(b)

Taiga

(c)

Desert

(d)

Oceans

This is the smallest unit of biosphere

(a)

Ecosystems

(b)

Biome

(c)

Environment

(d)

None of the above

Nutrients are recycled in the atmosphere with the help of certain micro organisms, referred to as

(a)

Producers

(b)

Decomposers

(c)

Consumers

(d)

None of the above

To which climatic conditions are Xerophytic plants specifically adapted to?

(a)

Saline and sandy

(b)

Limited moisture availability

(c)

Cold temperature

(d)

Humid

Why is the usage of rainforest biomes for large scale agriculture unsustainable?

(a)

because it is too wet

(b)

because the temperature is too warm.

(c)

because the soil is too thin

(d)

because the soil is poor