What is the primary source of energy in an

Who first saw and described a live cell under microscope? 

Rooting of shoot, stems or branches while they are still attached to the parents is called a___.

Availability of phosphorus is maximum at pH: 

How many divisions are there in Economics?

Which segments in insect body are known as genital segments:

Primitive and least controlled surface irrigation method is

Which of the following is/are the anticipated effect(s) of global warming?

Instrument used to record continuous rainfall

Which one of the following is a cold-blooded animal?

The enzyme which is involved in the softening of the fruit texture during ripening is