B.Pharm. (Semester II) (New CBCS) Examination, 2018
BIOCHEMISTRY
Day and Date Wednesday, 12-12-2018 Max. Marks 75
Time 2.30 p.m. to 5.30 p.m.
1. Multiple Choice Questions. (20×1=20)
Edman's reagent contains
Phenylisothiocyanate 1-Fluoro-2, 4-dinitrobenzene
urea dansyl chloride
An aromatic amino acid is
lysine arginine
phenylalanine histidine
Key and lock hypothesis of enzyme action was given by
Fischer Koshland
Buchner Kuhne
Guanine is
6-Amino purine 2-Amino-6-oxypurine
2-Oxy-4-aminopyrimidine 4-Dioxypyrimidine
Kerasin consists of
Nervonic acid Lignoceric acid
Cervonic acid Clupanodonic acid
Higher alcohol present in waxes is
Benzyl Methyl Ethyl Cetyl
Hydrolysis of fats by alkali is called
Saponification number Saponification
Both and None of these
Seat
No. Set P
Set P
SLR-TV 7 *SLRTV7*
Cori cycle is
Synthesis of glucose Reuse of glucose
U ptake of glycose Both and
Stereo isomers which are not mirror images of each other are called
isomers stereoisomers
diastereomer enantiomers
10) Inter-conversion of α to β form of glucose is called as
inversion tautomerism
muta-rotation racemization
11) Reducing property of sugars is attributed to presence of group.
free aldehydic free aldehydic or ketonic
ketonic aromatic
12) Which of the following is essential fatty acid
Arachidonic acid Lenoleic acid
Lenolenic acid All of the above
13) The number of of iodine absorbed by 100 grams of fat is called
as iodine number.
Kilograms Milligrams
Grams Micrograms
14) The no. of ATP produced when 2 molecule of acetyl-CoA is oxidized through
TCA cycle
24 38 12 36
15) Example of enzyme specificity
Stereo specificity Reaction specificity
Substrate specificity All of these
16) An enzyme which is secreted ready for action is called
secretion.
Zymase Zymogen
Intracellular Extracellular
Set P
*SLRTV7* SLR-TV 7
17) Solid alcohol from bile is also known as
Cholesterol Ergosterol
Lanosterol Endosterol
18) Phospholipids prevent formation of fatty liver hence they are called as
eicosanoids lipotropic factor
fat factor fat prevention factor
19) Histamine is formed from histidine by
Deamination Dehydrogenation
Decarboxylation Carboxylation
20) Iodine number denotes
Degree of unsaturation Saponification number
Acid number Acetyl number
2. Long answers (Answer 2 out of 3). (2×10=20)
Describe β-oxidation of fatty acid. Calculate net ATP yield.
Explain in detail TCA cycle with energetics. Add note on its amphibolic
nature.
What are the different levels at which proteins structure is studied
3. Short answers (Answer 7 out of 9).
Give structure and functions of mucopolysaccharides.
Explain the terms acid value and saponification value.
What are epimers Write note on anomers and optical rotation.
Write note on fatty acids. Give details of EFA.
Describe Watson and Crick model of DNA structure.
What are high energy compounds Give the examples.
Explain structure and biosynthesis of cholesterol.
Discuss Sanger's and Edman's reactions.
Write in details about inhibitors of enzymatic action.