CS/B.Sc.(H)/BT/GEN/MICRO-BIO/
MOL-BIO/SEM-6/MHG-601/2013
2013
MODEL ORGANISMS IN HUMAN GENOME PROJECT
Time Allotted : 3 Hours Full Marks : 70
The figures in the margin indicate full marks.
Candidates are required to give their answers in their own words
as far as practicable.
GROUP – A
( Multiple Choice Type Questions )
1. Choose the correct alternatives for any ten of the following :
10 × 1 = 10
i) Blastula period of zebra fish embryo lasts for
a) 21/4 h to 51/4 h b) 31/4 h to 51/4 h
c) 41/4h to 51/4 h d) none of these.
ii) Saccharomyces cerevisae genome contains
a) 10 pairs chromosomes
b) 12 pairs chromosomes
c) 14 pairs chromosomes
d) 16 pairs chromosomes.
iii) Amount of introns out of the total genome in
Saccharomyces cerevisae is nearly
a) 2% b) 4%
c) 6% d) 8%.
iv) The first complete DNA sequence of an E.coli genome
was published in
a) 1996 b) 1997
c) 1998 d) 1999.
v) In E.coli 4288 annotated protein-coding genes are
organized into
a) 2584 operons b) 2250 operons
c) 1800 operons d) 1500 operons.
vi) The size of zebra fish zygote at the time of fertilization is
approximately
a) 0·1 mm b) 0·3 mm
c) 0·7 mm d) 1·5 mm.
vii) The size of the D.melanogaster genome is
a) 100-megabase b) 150-megabase
c) 180-megabase d) none of these.
viii) The average number of exons per gene in Drosophila
melanogaster is
a) 4 b) 7
c) 9 d) 12.