Find the length of the side of a regular octagon which

The headquarter of Cotton Corporation of India is located at

Sour taste of gram leaves is due to presence of _____and ____ acid.

Which of the following Scientist discovered the element Potassium?

Iron is an important component of which of the following enzyme?

A situation when the rainfall deficiency is 25% or more of long term average, it is classified as 

Sugarcane is a heavy feeder crop but higher doses of nitrogen during ripening stage, ____ the sucrose content in maturing cane.

When the activity of one gene is suppressed by the activity of a non-allelic gene, it is known as

The concentration of CO2 in the soil atmosphere is …………………………………..

The soils of very cold climates which are defined as containing permafrost within two meters of the soil surface belongs to the order

A small structure in mammary glands in which milk is manufactured by female animals  is