The flow of air and water in or out of the mesophyll laye...
The flow of air and water in or out of the mesophyll layer of a leaf is controlled by the
stomata
lenticels
air space
guard cell
Correct answer is D
No explanation has been provided for this answer.
The structure labelled 5 is the ...
Filaments of Spirogyra placed in a beaker of water in a dark cupboard died because ...
The structure labelled l is ...
These animals exhibit camouflage EXCEPT ...
Which of the following materials is not easily biodegradable? ...
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Which of the following statements about protoplasm of a cell is not correct? It ...