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1
JEE Main 2020 (Online) 4th September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
The mechanism of action of ''Terfenadine'' (Seldane) is :
A
Activates the histamine receptor
B
Helps in the secretion of histamine
C
Inhibits the secretion of histamine
D
Inhibits the action of histamine receptor
2
JEE Main 2020 (Online) 3rd September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Match the following drugs with their therapeutic actions :

(i) Ranitidine (a) Antidepressant
(ii) Nardil
(Phenelzine)		 (b) Antibiotic
(iii)Chloramphenicol (c) Antihistamine
(iv)Dimetane
(Brompheniramine)		 (d) Antacid
(e) Analgesic
A
(i)-(a); (ii)-(c); (iii)-(b); (iv)-(e)
B
(i)-(e); (ii)-(a); (iii)-(c); (iv)-(d)
C
(i)-(d); (ii)-(a); (iii)-(b); (iv)-(c)
D
(i)-(d); (ii)-(c); (iii)-(a); (iv)-(e)
3
JEE Main 2020 (Online) 3rd September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
The antifertility drug “Novestrol” can react with :
A
Br2 /water; ZnCl2 /HCl; FeCl3
B
Br2 /water; ZnCl2 /HCl; NaOCl
C
Alcoholic HCN; NaOCl; ZnCl2 /HCl
D
ZnCl2 /HCl; FeCl3 ; Alcoholic HCN
4
JEE Main 2020 (Online) 9th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
A chemist has 4 samples of artificial sweetener A, B, C and D. To identify these samples, he performed certain experiments and noted the following observations :

(i) A and D both form blue-violet colour with ninhydrin.

(ii) Lassaigne extract of C gives positive AgNO3 test and negative Fe4[Fe(CN)6]3 test.

(iii) Lassaigne extract of B and D gives positive sodium nitroprusside test

Based on these observations which option is correct ?
A
A : Aspartame ; B : Alitame ; C : Saccharin ; D ; Sucralose
B
A : Alitame ; B : Saccharin ; C : Aspartame ; D ; Sucralose
C
A : Aspartame ; B : Saccharin ; C : Sucralose ; D ; Alitame
D
A : Saccharin ; B : Alitame ; C : Sucralose ; D ; Aspartame
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