Sample Entry Test MSc - The University of Lahore

thelemicbathBiotechnology

Feb 20, 2013 (4 years and 4 months ago)

159 views

1


IMBB,UOL

INSTITUTE OF MOLECULAR BIOLOGY & BIOTECHNOLOGY

THE UNIVERSITY OF LAHORE

Sample Test for M.Sc

(Biochemistry/Molecular Biology/Biotechnology/Microbiology)

(Fall, 2011)

Name:_______________


Roll. No.______________

Total marks: 50




Time Allowed: 1

Hr.

Part I: LANGUAGE

A.

.
In each of the following questions, pick the one most nearly opposite in meaning

1.

Vicious

a)

depraved

b)

moral

c)

profligate

d)

iniquitous

e)

ferocious

2.

Heterogenous

a)

uniform

b)

dispersed

c)

abridged

d)

mixture

e)

simple

3.

Redundant

a)

insufficient

b)

expanded

c)

profound

d)

numerous

e)

verbose

4.

Sedulity

a)

silent

b)

justify

c)

futility

d)

carelessness

e)

verbosity


2


B.

For each blank, pick the word or set of words that best reflects the sentence’s meaning.


5.

A judgment made before all the facts are known must be called_____________.

a)

harsh

b)

deliberate
d

c)

sensible

d)

premature

e)

fair

6.

The Supreme court reversal of its previous ruling on the issue of provincial rights
______________________ its reputation for ________________.

a)

Sustained …..inconsistency

b)

Compromised…..consistency

c)

Maintain…..fallacy

d)

Spoiled……flexibility

e)

Dispelled…vacillation

7.

The study on Pseudomonas is so ___________________that it leaves no part of life
cycle of this notorious pathogen.

a)

comprehensive

b)

haphazard

c)

sporadic

d)

prolific

e)

clean

8.

As the French archaeologist expected, living condi
tion in Gandhara civilization were
_______________________worse than those of days,

a)

broadly

b)

astonishing

c)

significantly

d)

begrudgingly

e)

awful

Part II: LOGIC

9.

Which one of the following is the sum of two consecutive prime numbers?

a)

66

b)

52

c)

41

d)

29

e)

65


10.

A clock gains 8 minutes every x hours. How many hours will the clock gain in 3 days?

a)

576/x

3


b)

48/5x

c)

24/x

d)

576/x

11.

One sixth of a day is what part of time between 3 p.m. Monday and 3 p.m. Thursday of
the same week?

a)

1/10

b)

1/18

c)

1/15

d)

1/12


12.

If 2x+5y=18 and x=4 then w
hat is the value of y?

a)

2

b)

3

c)

4

d)

5

e)

10

13.

If three times of a number is 6 more than twice the number. What is the value of the
number?

a)

2

b)

4

c)

6

d)

8

e)

10

14.

The value of X
2
+5x+6 at x=2 is?


a)

2

b)

20

c)

40

d)

10

e)

15

Part III: SCIENTIFIC

18.
The function of the larynx, which is
placed above the trachea, is to

a)

Produced sound

b)

Absorb O2

c)

Send out CO2

d)

Prevent dust

e)

Sneezing

Q.19. The inflammation of the respiratory path causes

a)

Thrombosis

b)

Bronchitis

c)

Catarrh

4


d)

Sneezing

e)

Cancer

Q.20. The muscles that are responsible for breathing are

a)

Voluntary

b)

Involuntary

c)

Cardiac

d)

Skeletal

e)

.None of these

21.

Globular proteins is comprised of most of the ___________________

(a) enzymes catalyze metabolic reactions

(b) regulatory proteins

(c) proteins which provides support to vertebrates

(d) A and B

(e) fold
ed proteins


22.
Enzymes are generally classified into various classes on the basis

(a) structural similarity

(b) sequence similarity

(c) evolutionary relationship

(d) type of reaction they catalyzed

(e) A and B

23
. In Michaelis
-
Menten

equation, the substrate concentration at which initial velocity is equal
to half of the maximum velocity is called

a.

K
d

b.

K
m

c.

V
º

d.

K
cat

e.

K
i

24
. Rate constant which defines the number of substrate molecules converted to product in a
given unit of time on a single
enzyme molecule when enzyme is saturated with substrate is called

a.

K
d

b.

K
m

c.

K
a

d.

K
cat

25
. The best way to compare the catalytic efficiencies of different enzymes or the turnover of
different substrates by the same enzyme can be done by comparing

a.

Specificity cons
tant

b.

Dissociation constant

c.

Association constant

5


d.

Michaelis
-
Menton constant

e.

None of the above

26
.

Nitrosomans is ……………

a)

Nitrifying bacteria

b)

Sulphur bacteria

c)

Ammonifying bacteria

d)

Hydrogen bacteria

e)

Denitrifying bacteria

27
. A raised level of calcium in the
blood (hypercalcaemia)

a)

Causes increased excitability of nerve and muscle

b)

Is caused by chronic renal failure

c)

Increases the risk of stone formation in the urinary tract

d)

Is a consequence of decreased parathyroid activity

e)

Is a consequence of a reduction in the

plasma protein level

28
. Two families of monosaccharides are ____________.

A.

Alpha and beta sheets

B.

Hydrophobic and hydrophilic

C.

Aldoses and ketoses

D.

Deoxyriboses and riboses

E.

Hydroxyls and Carboxyls

29

. Two sugars that differ only in the configuration around
one carbon atom are
called_______________.

A.

Monomers

B.

Epimers

C.

Dimers

D.

Homomers

E.

Hemimers

30
. In describing disaccharides or polysaccharides, the end of a chain with a free anomeric carbon is
commonly called the _____________.

A.

Oxidizing end

B.

Reducing end

C.

Oxidizing and Reducing end

D.

Caroxyl end

E.

Amino end


31
. Sphingolipids contain a polar head group and two nonpolar tails, but unlike glycerophospholipids
they contain no ______________.

A.

Lipid A molecule

B.

Glycerol

6


C.

Amino Alcohol

D.

Long chain fatty acid

E.

Glycosidic

linkage

32
. The _________ of DNA is most stable structure for a random sequence DNA molecular under
physiological conditions.

A.

A form

B.

B form

C.

A and B form

D.

H form

E.

Z form


33
. The H
-
DNA structure features the _________ stranded form.

A.

Single

B.

Double

C.

Triple

D.

Single or double

E.

None of the above

34
. Cholesterol is made from ___________ in four stages

A.

Acetyl
-
CoA

B.

Liposomes

C.

Glycerol

D.

B and C

E.

None of the above