Which one gives the most valid and recent
explanation for stomatal movements ?

Which of these is not an important component of
initiation of parturition in humans ?

Which of the following enhances or induces fusion
of protoplasts ?

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 ?