Correct answer
A. Germ (1949)
Explanation
The correct answer is Germ (1949).
Nitrification is the microbial conversion of________?
Which method of irrigation is possible under the economical conditions of Pakistan ________?
Gradual reduction on genetic variability due to elimination of various () is called________?
A type of resistance in which a series of different cultivars of the same crop are infested with a series of different insect biotypes of same species show a differentia interaction is known as________?
Meiosis is significant because________?
Genus of citrus is________?