How many such pairs of letter are there in the word

Which member of honey bee colony produces royal jelly? 

Breeder seed is the progeny of

Which of the following diseases is caused by a virus and is characterized by the formation of nodules on the skin of cattle?

What is the purpose of mulesing in sheep farming?

Protein content in Soybean is:

Which one of the following statements is incorrect for the management of ‘wilt disease’ in chickpea?

. Opening up of monopoly markets to increase foreign and domestic competition is:

What is Phostoxin? 

At 50-75 % ASM range (Available soil moisture range)____ soils, form ball and ribbons out between thumb and fore fingers

What is inflation in economics?