How many such pairs of letters are there in the word ‘DEPARTMENT’ each of which has as many letters between them in the word as in the English alphabet? (In both forward and backward directions)

Conversion of organic form of nitrogen into inorganic form is refer to as………………..

The department of agriculture, revenue and commerce was set up in .............................?

Plant origin insecticides are:

A. Nicotine

B. Arsenicals

C. Pyrethrum

D. Phosphamidon

E. Rotinone

Choose the correct answer from the options given below:

Which one of the following is not a biological control agent:

Which parasite attaches mainly to the gills of sea bass and causes hyperplasia and necrosis?

The oxidation of xanthine is catalyzed by xanthine dehydrogenase contains _________ element

The substance which causes a definite change in genes is called ................?

Commercial variety of Cut Roses produces stems of 50-120 cm in length (long stemmed roses) and yield 100 to 150 stems per square metre per year.

Which chemical is used for the control of mites?

Ratooning is practiced in which of the following crops?