Which of the following enhances or induces fusion
of protoplasts ?

Minerals known to be required in large amounts for
plant growth include :-

A single compound of the structure :-

is obtainable from ozonolysis of which of the following
cyclic compounds ?

When initial concentration of a reactant is doubled
in a reaction, its half-life period is not affected. The
order of the reaction is :-

Given:-

Which of the given compounds can exhibit
tautomerism?

Which property of colloidal solution is independent of charge on the colloidal particles :-