Which of the following are provided to plant by its environment
i) water ii) oxygen
iii) carbon dioxide iv) genes
a) i, ii and iv
b) i, iii and iv
c) ii, iii and iv
d) i, ii and iii
In ecosystem different types of feeding relationship among organisms are called
a) trophic level
b) energy
c) biotic level
d) abiotic level
Each organism has a definite functional position different from other organisms of the locality what is the proper ecological term for this definition
a) habitat
b) niche
c) community
d) species
Structural and functional unit of ecology
a) species
b) community
c) population
d) ecosystem
Ecosystem is the structural and functional unit of………….
a) evolution
b) ecology
c) genetics
d) all of these
The part of earth where life exists is………….
a) atmosphere
b) biosphere
c) lithosphere
d) none of these
