Which of the following is not an e-mail service

In Pearson's correlation coefficient, what does a value of -1 indicate?

White eye deficiency is found in which crop?

Soil microorganisms are most active at which temperature range?

The proportion of area under different crops at a point of time in a region is called:

Which is not the criteria to issue a patents for innovation?

In which part of insect body, Johnston's organs are present?

The study of soil constitutes an independent branch of science known as:

The male inflorescence of maize is known as:

Phenyl mercuric acetate (PMA) is a ______ of antitranspirant.  

Which system provides the accurate positional information, which will be more useful in location the spatial variability with accuracy?