MCQ NO.1237 | IMA
Which of the following is not a feature of carrier gas used in gas chromatography?
Which of the following is not a feature of carrier gas used in gas chromatography?
Anonymous Quiz
14%
It must be chemically inert
28%
It should be suitable for the detector employed
49%
It should not be completely pure
9%
It should be cheap
MCQ NO.1238 | IMA
Which of the following is the disadvantage of hydrogen, which can be used as carrier gas in gas chromatography?
Which of the following is the disadvantage of hydrogen, which can be used as carrier gas in gas chromatography?
Anonymous Quiz
29%
Dangerous to use
24%
Expensive
35%
Reduced sensitivity
13%
High density
MCQ NO.1239 | IMA
Which of the following is the disadvantage of helium, which can be used as carrier gas in gas chromatography?
Which of the following is the disadvantage of helium, which can be used as carrier gas in gas chromatography?
Anonymous Quiz
21%
Dangerous to use
42%
Expensive
27%
Reduced sensitivity
10%
High density
MCQ NO.1240 | IMA
Which of the following is the disadvantage of nitrogen, which can be used as carrier gas in gas chromatography?
Which of the following is the disadvantage of nitrogen, which can be used as carrier gas in gas chromatography?
Anonymous Quiz
18%
Dangerous to use
21%
Expensive
45%
Reduced sensitivity
16%
High density
MCQ NO.1241 | IMA
In which of the following methods are liquid samples injected into the column in gas chromatography?
In which of the following methods are liquid samples injected into the column in gas chromatography?
Anonymous Quiz
18%
Gas-tight syringe
46%
Micro-syringe
21%
Rotary sample valved
15%
Solid injection syringes
MCQ NO.1242 | IMA
What must be done to the solid samples for it to be introduced into the column without using solid injection syringes in gas chromatography?
What must be done to the solid samples for it to be introduced into the column without using solid injection syringes in gas chromatography?
Anonymous Quiz
24%
Introduced in hot-zone of the column
32%
Dissolved in volatile liquids
34%
Introduced using rotary sample valved
10%
Introduced using sampling loops
MCQ NO.1243 | IMA
Which of the following is the commonly used support material for the packed column in gas chromatography?m
Which of the following is the commonly used support material for the packed column in gas chromatography?m
Anonymous Quiz
21%
Glass
14%
Metal
54%
Diatomaceous earth
11%
Stainless steel
MCQ NO.1244 | IMA
Which of the following is the advantage of straight packed column?
Which of the following is the advantage of straight packed column?
Anonymous Quiz
35%
It can be packed uniformly
27%
It can be repacked easily
21%
It is compact
17%
It is easier to heat it evenly
MCQ NO.1245 | PA
pH meters can be considered as voltage sources with which of the following internal resistances?
pH meters can be considered as voltage sources with which of the following internal resistances?
Anonymous Quiz
29%
Very low resistance
36%
Moderate resistance
29%
Very high resistance
6%
No resistance
MCQ NO 1246 | GPAT 2010
Which one of the followings is used as a mood stabilizer for bipolar disorder and also in certain epileptic convulsions?
Which one of the followings is used as a mood stabilizer for bipolar disorder and also in certain epileptic convulsions?
Anonymous Quiz
16%
(a) Phenytoin
44%
(b) Lithium
32%
(c) Sodium valproate
7%
(d) Fluoxetine
MCQ NO 1247 | GPAT 2010
An isosteric replacement for carboxylic acid group is
An isosteric replacement for carboxylic acid group is
Anonymous Quiz
17%
(a) Pyrrole
44%
(b) Isoxazole
26%
(c) Phenol
13%
(d) Tetrazole
MCQ NO 1248 | GPAT 2010
The given antibiotic is an example of ansamycins
The given antibiotic is an example of ansamycins
Anonymous Quiz
17%
(a) Roxythromycin
26%
(b) Adriamycin
25%
(c) Aureomycin
31%
(d) Rifamycin
MCQ NO 1248 | GPAT 2010
For glyburide, all of the following metabolic reactions are logical EXCEPT
For glyburide, all of the following metabolic reactions are logical EXCEPT
Anonymous Quiz
20%
(a) O-demethylation
26%
(b) Aromatic oxidation
39%
(c) Benzylic hydroxylation
15%
(d) Amide hydrolysis
MCQ NO 1250 | GPAT 2010
Ethambutol molecule has
Ethambutol molecule has
Anonymous Quiz
21%
(a) Two chiral centers and 3 stereoisomers
45%
(b) Two chiral centers and 4 stereoisomers
26%
(c) Two chiral centers and 2 stereoisomers
7%
(d) One chiral center and 2 stereoisomers
MCQ NO 1251 | NIPER 2019
Factor VIII deficiency causes :
Factor VIII deficiency causes :
Anonymous Quiz
35%
Haemophilia A
31%
Haemophilia B
21%
Haemophilia C
14%
Von wilebrand disease
MCQ NO 1252 | NIPER 2019
Which enzyme convert cAMP to AMP ?
Which enzyme convert cAMP to AMP ?
Anonymous Quiz
49%
Adenylate cyclase
20%
Adenylate kinase
20%
Phosphodiesterase
11%
ATPase
MCQ NO 1253 | NIPER 2019
Which of the following has 21 carbons ?
Which of the following has 21 carbons ?
Anonymous Quiz
28%
Cholesterol
40%
Pregnenolone
23%
Testosterone
9%
Estrone
MCQ NO 1254 | NIPER 2019
Interleukins are mainly synthesized by.............
Interleukins are mainly synthesized by.............
Anonymous Quiz
48%
Lymphocyte
20%
Erythrocyte
21%
Granulocyte
11%
Thrombocyte
MCQ NO 1255 | NIPER 2019
Bancroft's rule is applied for which formulation ?
Bancroft's rule is applied for which formulation ?
Anonymous Quiz
24%
Suspension
45%
Emulsion
12%
Solution
19%
Micelles
MCQ NO 1256 | GPAT 2010
X-ray crystallographic analysis of an optically active compound determines its
X-ray crystallographic analysis of an optically active compound determines its
Anonymous Quiz
45%
(a) Optical rotatory dispersive power
29%
(b) Absolute configuration
15%
(c) Relative configuration
12%
(d) Optical purity