5 NEET Chemistry previous year questions on Chemistry in Everyday Life — options free on every question; 1 include the answer & explanation free, the rest unlock with PYQ Pass.
Q1 FREE PREVIEW
PYQ
Which one of the following statements is not true?.
aAmpicillin is a natural antibiotic.
bAspirin is both analgesic and antipyretic.
cSulphadiazine is a synthetic antibacterial drug.
dSome disinfectants can be used as antiseptics
✓ Correct answer: a) Ampicillin is a natural antibiotic.
ExplanationAmpicillin is a semi-synthetic antibiotic, meaning it is derived from a natural substance but has been chemically modified to improve its properties.
Q2
PYQ
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 [JEE Main 2023, 24 Jan (Shift 1)]
aStatement-I is correct but Statement-II is incorrect
bStatement-I is incorrect but Statement-II is correct
cBoth Statement-I and Statement-II are correct
dBoth Statement-I and Statement-II are incorrect
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Q3
PYQ
Which of the following statements is incorrect for antibiotics? [JEE Main 2023, 25 Jan (Shift 1)]
a
An antibiotic must be a product of metabolism.
b
An antibiotic is a synthetic substance produced as a structural analogue of naturally occurring antibiotic
c
An antibiotic should promote the growth or survival of microorganisms.
d
An antibiotic should be effective in low concentrations.
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Q4
PYQ
Given below are two statements : Statement I : Aspirin and Paracetamol belong to the class of narcotic analgesics. Statement II : Morphine and Heroin are non-narcotic analgesics.
In the light of the above statements, choose the correct answer from the options given below
[NEET 2021]
a
Both Statement I and Statement II are true
b
Both Statement I and Statement II are false
c
Statement I is correct but Statement II is false
d
Statement I is incorrect but Statement II is true.
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Q5
PYQ
The statement/s which are true about antagonists from the following is/are : (A) They bind to the receptor site. (B) Get transferred inside the cell for their action. (C) Inhibit the natural communication of the body. (D) Mimic the natural messenger.
Choose the correct answer from the options given below: [JEE Main 2023, 8 Apr (Shift 2)]
a
B only
b
A, C and D
c
\(A\) and \(B\)
d
\(A\) and \(C\)
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