M.Sc. (Semester (CBCS) Examination Oct/Nov-2017
Bioinformatics
CELL BIOLOGY AND GENETICS
Day Date: Saturday, 18-11-2017 Max. Marks: 70
Time: 10.30 AM to 01.00 PM
Instructions: Part-1, Question 1 is compulsory
Attempt any four questions from Part-II
Figures to the right indicate full marks.
Answer to the Part-I and Part-II are to be written in same answer Booklet
only.
Section I
Q.1 Rewrite the sentence after choosing the correct answer from the
given alternatives:
07
The dihybrid test cross ratio is


Each gametes carry
Only recessive allele Only dominant allele
Only one of the allele All of these
Poly A tail is a characteristics of mRNA.
Prokaryotic Eukaryotic
Both a b None of these
E site, P site and A site are found on
rRNA mRNA
tRNA hnRNA
is involved in cell respiration.
Ribosome Mitochondria
Nucleus Iysosome
Cell growth takes place in phase.
M S
G2 All of these
is a secondary messenger.
Hormone Acetylcholine
Cyclic AMP None
Definitions 07
Point mutation
Ligase
Transcriptomics
Lysosome
Autotroph
GPCR
Monocistronic
Page 2 of 2
SLR-MC-63
Section II
Answer any four of the following
Q2 Explain the process of DNA replication in prokaryote with diagram. 14
Q3 What is operon? Explain the mechanism of Iac operon concept 14
Q4 Write a note on various cell organelles. 14
Q5 Answer any two of the following 14
Explain the process of transcription in eukaryotes.
Write a note on DNA repair mechanism.
Add a note on regulation of cell cycle.
Q6 Answer any two of the following 14
Post translational modifications.
Receptors and carriers of cell.
Signal transduction.