1
JEE Main 2021 (Online) 27th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Given below are two statements :

Statement I : Penicillin is a bacteriostatic type antibiotic.

Statement II : The general structure of Penicillin is :

JEE Main 2021 (Online) 27th July Evening Shift Chemistry - Chemistry in Everyday Life Question 39 English
Choose the correct option :
A
Both statement I and statement II are false
B
Statement I is incorrect but statement II is true
C
Both statement I and statement II are true
D
Statement I is correct but statement II is false
2
JEE Main 2021 (Online) 27th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Match List - I with List - II :

List-I
(Drug)
List-II
(Class of Drug)
(a) Furacin (i) Antibiotic
(b) Arsphenamine (ii) Tranquilizers
(c) Dimetone (iii) Antiseptic
(d) Valium (iv) Synthetic antihistamines


Choose the most appropriate match :
A
(a)-(i), (b)-(iii), (c)-(iv), (d)-(ii)
B
(a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
C
(a)-(ii), (b)-(i), (c)-(iii), (d)-(iv)
D
(a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
3
JEE Main 2021 (Online) 25th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Which one of the following chemical agent is not being used for dry-cleaning of clothes?
A
H2O2
B
CCl4
C
Liquid CO2
D
Cl2C = CCl2
4
JEE Main 2021 (Online) 22th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Thiamine and pyridoxine are also known respectively as :
A
Vitamin B2 and Vitamin E
B
Vitamin E and Vitamin B2
C
Vitamin B6 and Vitamin B2
D
Vitamin B1 and Vitamin B6
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