Who is the only Indian PSU company included in

Keynes' is associated with

In field experimentation, local control is a device to maintain

What factors regulate caste differentiation in honey bee colonies?

Concentration of which of the following is high in  soil?

Which type of engine has one power stroke for every revolution of the crankshaft?

The process of shifting hydrogen atoms in DNA bases is called:

A true fruit is developed: 

Cut or excised leaves remain green for long if induced to root or dipped in_____

The scientific name of the Italian honey bee is

Soil water potential at permanent wilting point is