The hormone used as an oral contraceptive is
testosterone
aldesterone
cortisone
progesterone
Transboundary pollution (or) Acid rain is caused by
hydrocarbon
nitrogen oxide and sulphur dioxide
carbon monoxide
carbon dioxide
In dicots, the pollen grain possess
four germ pores
one germ pore
two germ pores
three germ pores
The 'One Straw Revolution' was written by
Norman Borlaug
Masanobu Fukuoka
Richael Carlson
MS Swaminathan
The immunity caused by the B-lymphocytes is called
Sterile immunity
Acquired Immunity
Cellular Immunity
Humoral Immunity
Flow of blood in dorsal blood vessel of earthworm is
sideward
downward
backward
forward