Which one of the following words has been used by Prof. R. Misra for ecosystem
Biocoenosis
Ecocosm
Microcosm
Biosystem
It’s obvious.
Photosynthetic yield is maximum at the
The idea of food chain was introduced by which one of the following ecologist
Aerenchyma is the characteristics feature of
Which of the following gas is most harmful for plants
Which of the following is capable of causing green house effect in the environment
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