11.
During formation of pollen grains, a microspore mother cell undergoes

12.
The share of urea in the N production pattern is

13.
The formula for chlorophyll a is

14.
Dispersal of spores by human is known as

15.
ATP is injected in cyanide poisoning because it is

16.
Constituents of pigment system I are located on

17.
Phytoplasma was 1st observed in

18.
Which technology is used to produce monoclonal antibodies?

19.
The mineralisation of organic phosphorus has been studied in relation to . . . . . . . . ratio.

20.
Cytochrome is