Chloramphenicol is an :
  •   antihistaminic
  •   antiseptic and disinfectant
  •   antibiotic-broad spectrum
  •   antifertility drug

Aspirin can be prepared by the reaction of acetyl chloride with :

  •   Benzoic acid

  •   Phenol
  •   p-Hydroxy benzoic acid
  •   o-Hydroxy benzoic acid

The term "target molecules or drug targets" is used in medicinal chemistry, means-

  • Key molecules involved in certain metabolic pathways that result in specific diseases.

  • Key molecules involved in certain catabolic pathways that result in specific diseases.

  • Key molecules involved in certain anabolic pathways that result in specific diseases.

  • None of the above.

The macromolecules that are chosen as drug targets are -

 

  • Only lipids, proteins.

  • Only carbohydrates, lipids.

  • Only proteins, and nucleic acids.

  • Carbohydrates, lipids, proteins, and nucleic acids.

Medicines should not be taken without consulting doctors because : 

  • A medicine can bind to more than one receptor site.
  • Medicine may be toxic for some receptor sites.
  • Medicines cause harmful effects when taken in higher doses than recommended.
  • All of the above.

The term chemotherapy means -

  • Use of chemicals for diagnosis.

  • Use of chemicals for prevention.

  • Use of chemicals for the treatment of diseases.

  • All of the above.

Forces that are involved in holding the drug to the active site of the enzyme are-

  • Ionic bonding

  • Hydrogen bonding

  • Dipole-dipole interaction

  • All of the above

Antacids and antiallergic drugs interfere with the function of histamines but do not interfere with the function of each other because-

  • Antacids and anti-allergic drugs work on the same receptors.

  • Antacids and anti-allergic drugs work on different receptors.

  • Antacids and anti-allergic drugs work on different organs.

  • Antacids and anti-allergic drugs work on the same organs.

Which of the following are antidepressants?
a. Iproniazid
b. Phenelzine
c. Equanil
d. Salvarsan
Choose the correct option

  • (a, b, c)
  • (b, c d)
  • (c, d, a)
  • (a, b, d)

The main constituents of Dettol are :

  • Chloroxylenol and α-terpineol.

  • Toluene and phenol.

  • Aniline and benzene.

  • None of the above.

The tincture of iodine comprises of -

  • 6 − 7 % solution of alcohol in iodine-water mixture.

  • 6 − 7 % solution of iodine in alcohol-water mixture.

  • 2 − 3 % solution of alcohol in iodine-water mixture.

  • 2 − 3 % solution of iodine in alcohol-water mixture.

Artificial sweetening agents are-

  • Chemicals that sweeten food and do not add calories to our body.

  • Chemicals that sweeten food and add calories to our body.

  • Chemicals that do not sweeten food and do not add calories to our body.

  • Chemicals that do not sweeten food and add calories to our body.

Alitame should be avoided as an artificial sweetener because -

  • It adds calories.

  • It is required in higher quantities.

  • It gives a peculiar smell.

  • It is difficult to control the sweetness .

Synthetic detergents are better than soaps because :

  • Synthetic detergents work both in soft water and hard water.

  • Soaps work both in soft water and hard water.

  • Synthetic detergents work only in hard water.

  • Soaps work only in hard water.

Choose the correct statement -

  •  Detergents that can not be degraded by bacteria are called biodegradable detergents.

  • Biodegradable detergents have straight hydrocarbon chains.

  •  Detergents that can be degraded by bacteria are called non-biodegradable detergents.

  • Biodegradable detergents have highly branched hydrocarbon chains.

Soaps do not work in hard water because-

  • Calcium and magnesium ions displace sodium or potassium from their salts and form insoluble calcium or magnesium salts of fatty acids.

  • Sodium or potassium ions displace calcium and magnesium from their salts and form insoluble calcium or magnesium salts of fatty acids.

  • Calcium and magnesium ions displace sodium or potassium from their salts and form insoluble sodium or potassium salts of fatty acids.

  • None of the above.

Out of soaps and synthetic detergents, ______ are used to check the hardness of water as -

  • Soaps, get precipitated in hard water, but not in soft water

  • Soaps, get precipitated in soft water, but not in hard water

  • Synthetic detergents, get precipitated in hard water, but not in soft water

  • Synthetic detergents, get precipitated in soft water, but not in hard water

Detergents are preferred over soap for cleaning clothes because -

  • Detergents form soluble salts.
  • Detergents form insoluble salts.
  • Soaps form soluble salts.
  • Soaps form insoluble salts of potassium.

Drugs can be classified on the basis of :

  • Pharmacological effect.

  • Chemical structure.

  • Molecular targets.

  • All of the above.

Cetyltrimethylammonium bromide is an example of:

  • Cationic detergents

  • Anionic detergents

  • Non-ionic detergents

  • None of the above

The correct statement among the following regarding cationic detergent is/are:

  • These are sodium salts of long chain alcohols or alkylbenzenesulphonic acids. 

  •  Sodium 4-(1-dodecyl) benzenesulphonate (SDS) is an example of an anionic detergent.

  • These are quaternary ammonium salts of acetates, chlorides, or bromides of amine.

  • None of the above.

The correct statement among the following during the cleansing action of soaps is -

  • Hydrophobic parts of the stearate ions attach themselves to the oil droplets.

  • Hydrophilic parts of the stearate ions project outside the oil droplets.

  • Hydrophilic parts of the stearate ions attach themselves to the oil droplets.

  • Both (1) and (2)

The correctly labelled compound(s) is/are-

(iv). All of these
  • 1
  • 2
  • 3
  • 4

Statement I: Aspirin and Paracetamol belong to the class of narcotic analgesics.
Statement II: Morphine and Heroin are non-narcotic analgesics.
  • Statement I is correct but Statement II is false.
  • Statement I is incorrect but Statement II is true.
  • Both Statement I and Statement II are true.
  • Both Statement I and Statement II are false.

Statement 1 : Sleeping pills are recommended by doctors to the patients suffering from sleeplessness.
Statement 2: It is not advisable to take sleeping pill doses without consultation with the doctor.
  • Statement 1 is true, statement 2 is false.
  • Statement 1 is false, statement 2 is true.
  • Both statements are correct.
  • Both statements are false.
Artificial sweetening agents  are used :
  • To increase the calorie intake in the body.
  • For controlling the calorie intake.
  • By patients suffering from diabetes and obesity.
  • Both (2) and (3).

Incorrect statement among the following is :

  •   Sodium palmitate can be prepared by alkaline hydrolysis of glyceryl palmitate.

  •   Glyceryl oleate on alkaline hydrolysis gives sodium oleate.
  •   Glyceryl palmitate on reaction with NaOH gives glycerol.
  • Glyceryl oleate on alkaline hydrolysis gives sodium palmitate.

Incorrect statement among the following is-
  • Medicines are chemical substances used in the diagnosis, prevention, and treatment of diseases.
  • Higher dose of medicine than recommended can act as poison .
  • Medicines are used only for the treatment of diseases.
  • Both 1 and 2 
Statement 1 : Drugs that inhibit any of the two activities of enzymes are called enzyme inhibitors.
Statement 2: Enzyme inhibitors can block the binding site only by  compete with the natural substrate for their attachment on the active sites of enzymes .  
  • Statement 1 is true , statement 2 is false.
  • Statement 1 is false, statement 2 is true. 
  • Both statements are true.
  • Both statements are false.
The main function of enzyme is :
  • To hold the substrate molecule for a chemical reaction.
  • To provide functional groups that will attack the substrate to carry out the chemical reaction.
  • To hold product molecules only.
  • Both 1 and 2 .
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