B.Sc. II Biotechnology (Semester IV) (CGPA) Examination, 2018
metabolism
Day and Date Thursday, 13-12-2018 Total Marks 70
Time 10.30 a.m. to 1.00 p.m.
Instructions All questions carry equal marks.
Figures to right indicate full marks.
Draw neat and labeled diagrams.
1. Rewrite the following sentences by using correct alternative. 14
Fatty acid with 14 carbons will undergo cycles of beta oxidation.
7 6 5 4
In eukaryotes fatty acid breakdown occurs in
Cytosole Mitochondrial matrix
Ribosome Endoplasmic reticulum
is not used for fatty acid biosynthesis.
Biotin NADPH
Bicarbonate Cyanocobalamine
Urea and are by product of urea cycle.
Aspartate Arginine
Ornithine Citrulline
On transamination amino group from amino acid is collected in the
form of
Aspartate Keto glutarate
Glutamate Keto acid
Seat
No.
Set
P
P.T.O.
Precursor for starch synthesis is
UTP-glucose UDP-glucose
ATP-glucose ADP-glucose
The site of dark reaction of photosynthesis is
Grana Stroma
Thylakoid Both a and b
Which of the folllowing absorb light energy for photosynthesis
RUBP ATP
Chlorophyll ADP
Kranz anatomy is seen in
C3 plants C4 plants
C2 plants CAM plants
10) is an example of uncoupler of ATP synthesis.
DNSA 4 dinitrophenol
Tryptomycin IAA
11) Pyruvate is converted into CO2 and H2O through
Kerb's cycle Glycolysis
ETC Lactate fermentation
12) How many molecules of acetyl co-A produced in oxidation of palmitic
acid
6 7 8 9
13) Fatty acids are covalently linked with carrier proteins during their synthesis.
Methyl Ethyl
Butyryl Acyl
14) In glycolysis during convertion of glyceraldehydes 3 phosphate to 3 bisphosphoglycerate, acts an electron acceptor.
NAD+ NADH
FADH FAD
SLR-SJ 38 *SLRSJ38*
Set P
2. Answer the following (any 14
Write a note on cori cycle.
ii) What is transamination
iii) Define gluconeogenesis.
iv) Write two examples of inhibitors of electron transport chain.
How the fatty acids are transported in mitochondria
vi) Write a note on Rubisco enzyme.
vii) Draw the structure of mitochondria.
viii) Write a note on lactic acid fermentation.
ix) Write down examples of ketogenic amino acids.
3. Answer the following (any 10
Write a note on ATP synthase complex and ATP generation in mitochondria.
ii) What are the sources of atoms in purine and pyrimidine molecules
iii) Explain β oxidation of saturated fatty acids.
Write a note on starch synthesis in plants. 4
4. Answer any two of the following 14
Explain in detail components of electron transport chain and transfer of electron through this components.
ii) Write down the reactions involved in aerobic breakdown of glucose into pyruvate.
iii) How the biosynthesis of saturated and unsaturated fatty acid takes
place
5. Answer any two of the following 14
Explain in detail CO2 fixation reaction in C3 plants.
ii) Write a note on urea cycle.
iii) Explain reactions and physiological significance of hexose monophosphate shunt.