B.Sc-B.Sc Chemistry 1st Sem (West Bengal Institute of Technology (WBIT), Kolkata-2009)
CS/B.OPTM/SEM-1/BO-104/2009-10
2009
BIOCHEMISTRY ( GENERAL & OCULAR )
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 X 1 = 10
i) Which of the following is not an essential amino acid ?
a) Phenylalanine b) Isoleucine
c) Lysine d) Prothrombin.
ii) In glycolysis fluoride inhibitor, inhibits the enzyme
a) phosphotriose isomerase
b) enolase
c) lactate dehydrogenase
d) hexokinase.
CS/B.OPTM/SEM-1/BO-104/2009-10
iii) The number of ATP obtained in TCA cycle is
a) 30 b) 20
c) 8 d) 38.
- â
- á-helix is a type of
seven cycles to produce
a) 6 Acetyl CoA b) 4 Acetyl CoA
c) 8 Acetyl CoA d) 2 Acetyl CoA.
v) Deficiency of Vitamin B cause may
a) Scurvy b) Anaemia
c) Xeropthalmia d) Rtarded bone growth.
vi) The origin of glucagon hormone is
a) pancreas b) anterior pituitary
c) adrenal cortex d) stomach.
vii) The co-enzyme of transaminase required for
transaminatino is
a) NADP b) c-AMP
c) NADH d) PLP.
viii) The photopigment responsible for dim light vision is
a) rhodopsin b) iodopsin
c) melanin d) cyanin.
ix) Alpha-crystalline is present in
a) cornea b) tear film
c) lens d) retina.
CS/B.OPTM/SEM-1/BO-104/2009-10
a) primary structure of protein
b) secondary structure of protein
c) tertiary structure of protein
d) quaternary structure of protein.
xi) The deoxy form of haemoglobin exist in
a) T-form b) B-form
c) R-form d) D-form.
xii) Albumin is synthesized in the
a) pancreas b) stomach
c) liver d) duodenum.
GROUP – B
( Short Answer Type Questions )
Write short notes on any three of the following.
3 X 5 = 15
2. Gamma globulins.
3. TCA cycle
4. Haemoglobin.
5. TPP as co-enzyme
6. Deamination.
CS/B.OPTM/SEM-1/BO-104/2009-10
GROUP – C
( Long Answer Type Questions )
Answer any three of the following. 3 X 15 = 45
7. Classify hormone on the basis of their mechanism of action.
Discuss briefly the origins & major functions of estrogen,
glucagons & glucocorticoid. 3 + 12
8. Discuss briefly the oxidative phases of Hexose Mono
Phosphate shunt. What is the difference between
haemoglobin & myoglobin ? What is Bohr effect ? 6 + 4 + 5
9. Discuss briefly about the sources of nutrients and metabolic
pathway in cornea.
10. Explain the reaction rhodopsin bleaching when light fall on
the retina. Discuss the process of β-oxidation of unsaturated
fatty acid. 8 + 7
11. Deduce Michaelis-Menten equation for a single substrate
uninhibited reactor. What are the basic differences between
Michaelis-Menten equation and Birggs-Haldane theory ?
Outline the methods for determining Michaelis-Menten
constants. 7 + 4 + 4
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| Earning: ₹ 4.90/- |
