1
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
For a first order reaction A $$ \to $$ B the reaction rate a reactant concentration of 0.01 M is found to be 2.0 $$ \times $$ 10$$-$$5 mol L$$-$$1 s$$-$$1. The half-life period of the reaction is
A
30 s
B
220 s
C
300 s
D
347 s
2
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
The cell membranes are mainly composed of
A
fats
B
proteins
C
phospholipids
D
carbohydrates
3
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Which functional group participates in disulphide bond formation in proteins?
A
Thioester
B
Thioether
C
Thiol
D
Thiolactone
4
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
The mole fraction of the solute in one molal aqueous solution is
A
0.009
B
0.018
C
0.027
D
0.036
EXAM MAP