The ages of X and Y are in the proportion of 6: 5 and

Nucleic acids are: 

Calculate the cropping intensity of rice-wheat-ragi-fallow rotation if farm area is 2 ha.

Soils with high pH are generally deficient in:

‘Nif’ gene is responsible for 

Which of the following is not matched correctly in context with the growth stages in wheat crop? 

The technique of growing plants in nutrient solution, in complete absence of soil can be employed for:

Global Warming Potential of Nitrous Oxide (N₂O) is ____ for 100 year timescale. 

Range is the measure of difference between

What is the potential consequence of over irrigation?

What is the area sprayed by a full tank of a sprayer, if the volume of the sprayer tank is 225 litres and rate of spray application per ha is 150 litres?