Q. No. 21. Which of the following drugs was inspired by
nature?
Option A Morphine
Option B Salbutamol
Option C Citalopram
Option D Erythromycin
Correct Option B
Q. No. 22. What is a semi-synthetic drug?
Option A A drug isolated from nature and used without any
further
modification
Option B A drug made entirely in a lab from scratch
Option C The structure of a drug half-way through its preparation
Option D A drug which has been part-made by nature and part-
made
in a lab
Correct Option D
Q. No. 23. Single displacement reaction involves:
Option A Oxidation
Option B Reduction
Option C Redox
Option D Heating
Correct Option C
Q. No. 24. A red brown gas is released on heating lead nitrate.
It
is an example of
Option A Combination reaction
Option B Oxidation reaction
Option C Decomposition reaction
Option D Reduction reaction
Correct Option C
Q. No. 25. Chromatography is a physical method that is used
to separate
and analyse_________
Option A Simple mixtures
Option B Complex mixtures
Option C Viscous mixtures
Option D Metals
Correct Option B
Q. No. 26. Ethers are formed by attachment of
Option A Two alkyl groups to same oxygen atom
Option B Two alkyl group to different oxygen atoms
Option C Three alkyl groups to one oxygen atom
Option D Four alkyl groups to one oxygen atom
Correct Option A
Q. No. 27. An acceptor of pair of electron is termed as
Option A Nucleophile
Option B Electrophile
Option C Carbocation
Option D Anion
Correct Option B
Q. No. 28. Formation of radicals which attack reactants
molecules generate more free radicals is done is
Option A Initiation step
Option B Propagation step
Option C Termination step
Option D Elimination step
Correct Option B
Q. No. 29. Name the process associated with acylation of
benzene
Option A Friedel craft reaction
Option B Wurtz reaction
Option C Wurtz fitting reaction
Option D Debey Huckel reaction
Correct Option A
Q. No. 30. Chlorination of alkanes is an example of
Option A Radical
Option B Elimination
Option C Free radical
Option D Addition
Correct Option C
