अनुच्छेद ३४४ में किस

In legume crops, symbiotic nitrogen fixation is regulated by the quantity of trace element in soil:

The Inbreeding depression is most severe in:

Which of the following statements best explains the term “heterosis” in the context of hybrid crop breeding?

The use of saline water of wells with canal water is called

The Black rust disease of wheat is caused by:

The application of organic manures in the soil helps in/tends to:

Value of Correlation Co – efficient is 

Alfisol is a type of:

Which disease(s) induce floral abnormalities?