B:-3°>2°>1°>c Ht
C:-cHt>2°>3°>1°
D:-None of the above
Correct Answer:- Option-B

Question58:-Cobalt labelled cyanocobalamin is used in the
A:-Diagnosis of pernicious anemia
B:-Determination of glomerular filtration rate
C:-Both 1 and 2
D:-None of the above
Correct Answer:- Option-C

Question59:-Which of the following statement is true about amines ?
A:-Primary amines undergo carbylamine reaction
B:-Secondary amines undergo carbylamine reaction
C:-Tertiary amines undergo carbylamine reaction
D:-All the above
Correct Answer:- Option-A

Question60:-Pyridine is less basic than aliphatic amines because the lone pair of
electrons on N-atom in pyridine is in

A:-sp hybrid orbital

B:-sp2_ hybrid orbital

C:-sp3 hybrid orbital

D:-p orbital

Correct Answer:- Option-B
Question61:-Colterol is a

A:-Selective 6,-agonist

B:-Nonselective 1 agonist

C:-Selective 2:-agonist

D:-Nonselective « agonist

Correct Answer:- Option-A

Question62:-What happens when the substitution on the amino nitrogen in
adrenergic agonists increase in size from hydrogen to methyl to isopropyl ?

A:-« receptor agonist activity increases and s-receptor agonist activity
decreases

B:-« receptor agonist activity decreases and 4-receptor agonist activity
increases

C:-both « and s-receptor agonist activity increases

D:-Adrenergic agonistic activity remains the same at both eand sreceptors