Online GK Series

This site is dedicated to the aspirants of competitive exams SSC, UPSC, Railways, Postal Assistants, Bank, GATE and NET

Most Important Questions and Answers on Biology

Questions
96 The prokaryotic genetic system contains
A DNA and histones
B Either DNA or histones
C DNA but histones
D Neither DNA nor histones

Answer: Option [C]
97 'One gene one enzyme theory' was given by
A Beadle and Tautum
B Watson and Crick
C Beadle and Morgany
D Morgan and Muller

Answer: Option [A]
98 In an organism that has 44 chromosomes i.e. 22 homologous pairs; at the end of first meiotic division the daughter cell will have
A 44 chromosomes
B 11 chromosomes
C 22 chromosomes
D All the above

Answer: Option [C]
99 The somatic chromosome complement in all human being is
A 21 pairs of autosomes and one pair of heterosomes
B 23 pairs of autosomes and one pair of heterosomes
C 22 pairs of autosomes and one pair of heterosomes
D 22 pairs of autosomes and one pair of XY chromosomes

Answer: Option [C]
100 Depending upon size and centromere position the 46 chromosomes hhave been divided into a number of groups
A 6
B 5
C 7
D 10

Answer: Option [C]

Chapters

UPSC Biology Questions & Answers

Please Like Us
Brand

Recommended Books for Competitive Exams

VIEW ALL