41.
Malathion is present is

42.
What did J. H. Cragie study?

43.
Cells absorb water through

44.
Parasexuality was 1st reported in

45.
Apparatus to measure rate of respiration and R.Q. is

46.
The mature particle of a plant virus in generally known as

47.
Fried egg colonies appearance is a characteristic feature of

48.
Which of the following nutrients absorbes both positive and negative forms?

49.
Photorespiration is favoured by

50.
Which component of ETC is not a protein?