51.
Lysosome is considered as suicidal bag because

52.
Double cross plan was suggested by

53.
Ascent of sap takes place through

54.
Chromosomal theory' of inheritance was given by

55.
The plant quarantine measure was passed in

56.
Triticale is offspring of

57.
Chlorosis in sulphur deficient plants appears

58.
The variance which is fixable

59.
The light receptor pigment present in seeds is

60.
Number of barr bodies is