North Maharashtra University 2008 B.Sc Biotechnology S.Y- CELL BIOLOGY AND BASIC METABOLISM - Question Paper

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NORTH MAHARASHTRA UNIVERSITY, JALGAON

ques. Paper :- S.Y.BSc. - BIOTECHNOLOGY

BT 211 & 212 2008-09


CELL BIOLOGY AND BASIC METABOLISM
SEMESTER- FIRST
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Q.1 ques. for two Marks (Objective).
1) Enzymes are -------------in nature.
a) Acidic c) Proteinous
c) Basic d) Neutral
2) Enzymes are categorized in to -------------type.
a) one c) 3
b) two d) 4
3) The enzymes are classified into---------- major groups.
a) five c) 6
b) 10 d) 12
4) Enzyme indicates maximum activity at temperature---------------
a) 370-450C c) 600-750C
b) 100-200C d) 850-950C
5) Ligases enzyme are also called as-------------
a) Lysases c) Cellulase
b) Proteases d) Synthetase
6) ------------ is the Unit of enzyme activity
a) Gm c) Farady
b) ketal d) S
7) Lock and key model was proposed by-----------.
a) Koshland b) Emil Fishcer
c) Parlor d) Arora
8) As pH of an Enzyme is increases, rate of reaction is-----------.
a) reduce b) Increase
c) Steady state d) All of the above
9) The protein part of a conjugated enzyme is called as-----------
a) Apo enzyme b) Isozyme
c) Coenzyme d) b & d
10) Enzymes are also called as-------------
a) Biocatalyst b) activators
c) Key of life d) all the above
11) In 1833 he word enzyme use by -----------.
a) Buchner b) Kihne
c) James sumner d) Duclax
12) ----------Is a good example of Oxidoreductase class.
a) Fumarase b) Chemotrypsin
c) L & D amino acid d) Succinate thiokinase
13) Enzyme from fungi & plants are active in------------condition.
a) Basic b) Acidic
c) Neutral d) Alkaline
14) ------------is good example of Metalloenzymes.
a) Copper b) Silver
c) Iron d) Aluminum
15) A substance which bind with enzyme and bring a reduce in
catalytic activity called-------------.
a) Activator b) Inhibitor
c) Allosteric d) None of these
16) Optimum temperature for most of the enzyme is ranging from -----------.
a) 40°- 42°c b) 30°- 35°c
c) 40°-45°c d) 50°-52°c
17) The Lock & Key model was proposed by-----------.
a) Karl Fischer b) Emil Fischer
c) Sweden Fischer d) Koshland

Earning:   Approval pending.