21.
Histone Proteins are synthesized during

22.
Match the following columns:
Column I (Crop) Column II (Centre of origin)
a. Barley 1. South America
b. Potato 2. Abssynia
c. Chick-pea 3. China
d. Soybean 4. Mediterranean

23.
Antibiotic that cause mis-incorporation of amino acids in protein synthesis is

24.
Reversion occurs due to

25.
Crossing over occurs in

26.
Which of the following is the maize + wheat research institute?

27.
Monoecious condition is an

28.
The scientific name of maize is

29.
The concept of vertical and horizontal resistance was introduced by

30.
Seed multiplication ratio in paddy is