BSF Head Constable Previous Year Question Paper. We covered all the BSF Head Constable Previous Year Question Paper in this post for free so that you can practice well for the exam.
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BSF Head Constable Previous Year Objective Question Paper for Students
Many drugs are chiral. In a synthesis of chiral drug molecules in a symmetric environment.
a) Always one enantiomer is obtained
b) Always both enantiomers are in equal amounts
c) Always both enantiomers are in equal amounts
d) None of the above
Option b – Always both enantiomers are in equal amounts
In mammals, the major fat in adipose tissue is.
a) Triglyceride
b) Cholesterol
c) Sphingolipids
d) Phospholipids
Option a – Triglyceride
Ferritin is.
a) Coenzyme
b) The stored form of iron
c) Non-protein moiety
d) Isoenzyme
Option b – The stored form of iron
The active form of Vitamin D in man is.
a) Cholecalciferol
b) Calcifediol
c) Calciferol
d) Calcitriol
Option d – Calcitriol
Isotopes differ in.
a) The number of protons
b) The valency number
c) The chemical activity
d) The number of neutrons
Option d – The number of neutrons
The purity of water for injection is checked by.
a) Potential testing
b) Pyrogen testing
c) Conductivity testing
d) pH Testing
Option c – Conductivity testing
Geometrical isomerism is possible in a case.
a) 2-Pentene
b) Pentane
c) Propene
d) Ethene
Option a – 2-Pentene
Sanguiamarine belongs to the subgroup of.
a) Morphinans
b) Benzyl isoquinolines
c) Phtalide isoquinolines
d) Benzophenathrenes
Option b – Benzyl isoquinolines
Dovers powder is used as a diaphoretic contains.
a) Ipecac and Opium
b) Senna and Cinchona
c) Opium and cinchona
d) All of the above
Option a – Ipecac and Opium
………. is the dimmer fo flavones and flavonones.
a) Chalcones
b) Aurones
c) Biflavanoids
d) Dihydroflavones
Option c – Biflavanoids
The wavelength source in the NMR spectrometer is.
a) Goniometer
b) Radiofrequency oscillator
c) High voltage generator
d) Klystron oscillator
Option b – Radiofrequency oscillator
Morphine does not cause.
a) Constriction of the pupil.
b) CNS depression
c) Respiratory depression
d) Diarrhoea
Option d – Diarrhoea
O, M, and P-isomers can be differentiated on the basis of.
a) Chemical Shift
b) Coupling constant
c) Extinction coefficient
d) Dipole moment
Option b – Coupling constant
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