Who first saw and described a live cell under microscope? 

Among the following insect groups, which one completely lacks chewing mouthparts, being specialized for fluid feeding?

Q-Band is obtained by use of:

Major contribution in green house gases is of

The nitrifying bacteria are 

Which of the following field crops is most susceptible to lodging due to its tall stature and heavy panicle weight under high fertility and irrigation?

From which plant is the commercial food product “Sago” derived?

In seed technology the term "Ear" means:

Which vegetable crop exhibits the highest respiration rate, affecting its shelf life?

Tristeza is a virus disease of