76.

77.

78.

79.

80.

81.

82.

83.

096/23

Who proposed the pH scale ?
A) Soren Sorenson B) Robert Boyle
C) Dmitri Mendeleev D) John Dalton

Find out the wrong statement.

A) Extraction of integral membrane proteins requires dissolution of the membrane
with detergents.

B) Myoglobin is a metalloprotein.

C) Protein folding occurs not stepwise generally.

D) Molecular docking programmes stimulate the interactions that take place when
a protein encounters a substrate, inhibitor or other ligand.

Chernobyl disaster is classified as a event on the international nuclear event
scale.

A) Level seven B) Level one C) Level fifty D) None of these
Read the statements below :

i. Carbon dioxide, methane and other trace gases are known as green gases.

ii. Release of huge quantities of nitrogen and sulphur oxide into air combine with
moisture and causes the acid rain.

iii. The main component of photochemical smog is hydrogen.
Which of the above statement/s is/are correct ?

A) Both i and ii are correct B) Only iis correct

C) Only iii is correct D) Both i and iii are correct
Identify the technique where m-RNA is separated by electrophoresis.
A) Western blot B) Southern blot

C) Eastern blot D) None of these

When RBC are placed in a hypotonic solution

A) The cell remains unchanged

B) The cell shrinks and eventually cease function
C) The inter cellular water moves out

D) The cell swell and eventually burst

The Hsp 60 chaperons sometimes called

A) Homodimer B) Chaperonins

C) Aggregates D) Proproteins

Find out the wrong statement from the following.

A) Agar is an extract from red algae.

B) Agar is a polysaccharide.

C) Adding asmall quantity of cell to the medium is called inoculation.
D) Micro-organisms can be cultured only in solid medium.

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