Month: January 2021

CBSE Class 12 Biology Half Yearly Sample Paper 2020-21 Class-12 Time Allowed : 3:00 Hours Subject- Biology Max Marks: 70 All questions are compulsory. (1 mark questions) 1- Which one of the following organism reproduce by binary fission? i) Penicillium ii) Spong iii) Bacillus iv) Riccia. 2- Why Turner’s syndrome is a monosomy disorder. 3-…