Question No : 1
Biome is
Question No : 2
Soil particles are arranged in order of increasing size are
Question No : 3
The most polluted city in the world is
Question No : 4
In a food-chain, the saprophytic organisms are
Question No : 5
Acid rain is
Question No : 6
The term "ecosystem" was first proposed by
Question No : 7
Plants growing on sea shores show characters of