1
JEE Main 2023 (Online) 25th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Which of the following statements is incorrect for antibiotics?

A
An antibiotic should promote the growth or survival of microorganisms.
B
An antibiotic must be a product of metabolism.
C
An antibiotic should be effective in low concentrations.
D
An antibiotic is a synthetic substance produced as a structural analogue of naturally occurring antibiotic.
2
JEE Main 2023 (Online) 24th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Correct statement is :

A
An average human being consumes more food than air
B
An average human being consumes 100 times more air than food
C
An average human being consumes nearly 15 times more air than food
D
An average human being consumes equal amount of food and air
3
JEE Main 2023 (Online) 24th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List I with List II

List-I
Type
List-II
Name
A. Antifertility drug i) Norethindrone
B. Tranquilizer ii) Meprobomate
C. Antihistamine iii) Seldane
D. Antibiotic iv) Ampicillin

Choose the correct answer from the options given below :

A
A-I, B-III, C-II, D-IV
B
A-I, B-II, C-III, D-IV
C
A-II, B-I, C-III, D-IV
D
A-IV, B-III, C-II, D-I
4
JEE Main 2023 (Online) 24th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements:

Statement I : Noradrenaline is a neurotransmitter.

Statement II : Low level of noradrenaline is not the cause of depression in human.

In the light of the above statements, choose the correct answer from the options given below

A
Both Statement I and Statement II are incorrect
B
Statement I is correct but Statement II is incorrect
C
Both Statement I and Statement II are correct
D
Statement I is incorrect but Statement II is correct
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