51.
Exons help in synthesis of

52.
Interveinal necrosis in lemon leaves is caused by the deficiency of

53.
Amount of pollen grains per each kernel produced by a maize tassel is at least

54.
Single Seed Descent (SSD) is a modification of which one of the following methods of selection

55.
Global Gene Bank of Barley is located at

56.
Which one of the following radiations is non-ionising?

57.
The best method to carry forward the maximum number of genotype/genes to the advanced generations against the force of natural selection

58.
A neuploidy occurs due to

59.
Ultimate source of variation is

60.
90% of total photosynthesis in the world is carried out by