The soil becomes toxic to plants when the concentration o...
The soil becomes toxic to plants when the concentration of its essential elements is in the range labelled
IV
III
II
I
Correct answer is A
No explanation has been provided for this answer.
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The parts labelled I and II make up the ...
In blood transfusion, agglutination occurs when ...
Which of the following statements about the structure labeled III is correct? ...
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