CS/B.Sc.(H) BT/GENETICS/MOLBIO /
MICROBIO/SEM-2/OMB-201/2012
2012
ORGANIC MECHANISMS IN BIOLOGY
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) Which of the following elements is added to blood
during blood glucose estimation to prevent glycolysis ?
a) Mn2+
b) Mg2+
c) Fluoride
d) Iodide.
ii) Dietary triglycerides & cholesterol are transported inside
the body by
a) Chylomicron b) VLDL
c) LDL d) HDL.
iii) During β -oxidation, palmitoyl Co-A is acted upon by
a) very long chain acetyl Co-A dehydrogenase
b) short chain acetyl Co-A dehydrogenase
c) medium chain acetyl Co-A dehydrogenase
d) any of these.
iv) Which of the following neurotransmitters is synthesized
from tryptophan ?
a) Dopamine b) Serotonin
c) Nor-epinephrine d) Epinephrine.
v) Neurological symptoms such as convulsion, peripheral
neuropathy are associated with deficiency of
a) vitamin A b) vitamin B6
c) vitamin B2 d) vitamin E.