List of top Pharmaceutical Chemistry Questions

Which metabolite is used to inactivate the vasico-toxic metabolite leading to hemorrhagic cystitis by alkylating agent used in the treatment of cancer

Drugs ‘A’, ‘B’ and ‘C’ follow zero order, first order and second order degradation kinetics, respectively, but have the same rate constant. Which of the following statement is true in this respect:

Boric acid with molecular weight 61.83 was partitioned between water and amyl alcohol at 25 °C. The amount of boric acid was determined to be 0.24 g in 250 ml of amyl alcohol and 0.32 g in 100 ml water. The partition coefficient of boric acid between water and amyl alcohol, when calculated at molar concentration for each of the solution, is:

Identify the functional groups from the below mentioned options that lead to weakening of benzoic acid:
(A):–OH
(B):–Cl
(C):–NH₂
(D):–NO₂

Citric acid cycle is the final pathway during the oxidation of _______ .

Heme is ____ .

All enzymes accelerate the reaction rates by______________ .

A patient with pheochromocytoma is undergoing surgery and has not been administered with alpha receptor blocker. If he is administered with intravenous propranolol, then which of the following effects will be evident?

Reason for the combination of Diphenoxylate (2.5 mg) + Atropine (0.025 mg) is to

Which of the following statement/s are correct regarding the alkylating agents as anticancer agents:
A. They get converted into highly nucleophilic anions and bind to the nitrogen atom of guanine intercalating the DNA strands
B. Cyclophosphamide and busulfan belong to this class 
C. They inhibit the DNA synthesis by inhibiting the DNA polymerase enzyme 
D. They inhibit the DNA supercoiling by irreversibly inhibiting the DNA topoisomerase enzyme 
Choose the correct answer from the options given below:

Match the statements in List I with their correct answers in List II, respectively, in respect to modified 1st law of thermodynamics, and

List I		List II
A	Constant heat (q = 0)	I	Isothermal
B	Reversible process at constant temperature (dT = 0)	II	Isometric
C	Constant volume (dV = 0)	III	Adiabatic
D	Constant pressure (dP = 0)	IV	Isobar

Choose the correct answer from the options given below:

Match the symbols in the List I with the terms used in the List II of conductance measurements, and

List I Symbols		List II Terms
A	\(\Omega^{-1}\)	I	Specific conductance
B	\(∧\)	II	Electrical conductance
C	k	III	Specific resistance
D	\(\rho\)	IV	Equivalent conductance

Choose the correct answer from the options given below:

Cottrell’s method is used for the measurement of:

Silver nitrate reagent is used for limit test in Indian Pharmacopoeia for

Vigabatrin produces anti-epileptic activity through

A diuretic compound cyclothiazide has a ____ substituent at C-3 of 1,2,4- benzothioadiazine nucleus?

Prostaglandin analogous have therapeutic utility in the following EXCEPT

Which of the following drug belongs to class of antibiotic called ansamycins?

Formation of pyranose structure from glucose leads to formation of diastereoisomers called

Substitution constant for meta benzoic acids is denoted by

Identify the diuretic which causes hyperuricaemia, tend to raise serum calcium and also causes magnesium depletion?

The mechanism of antiepileptic effect of Lamotrigine is by:

Hydrated proton is called _____.

Meloxicam belongs to which class of Nonsteroidal Anti-inflammatory Drugs (NSAIDs)?

The antiemetic activity of glycopyrronium is related to potent inhibition of___receptor both peripherally and centrally.