What is the Present value of a 4-year annuity of Rs.

The formula of gypsum is:

Pollination by insects is called :

Which among the following crops is classified as a photo-insensitive plant and hence can be grown in varying photoperiods?

Which form of DNA helix is predominantly present in cell?

Which of the following statement about Pteridophytes is incorrect ?

Match List I with List II :

The deterioration or loss of the productive capacity of the soils due to various reasons like human activity is called as ____

Which connective tissue also act as energy source?

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

Milch breeds are mainly rared for milk , An example of a milch breed of cattle is: