CBSE Questions for Class 12 Engineering Chemistry Chemistry In Everyday Life Quiz 11 - MCQExams.com

Which of the following is a hypnotic drug
  • Luminal
  • Salol
  • Catechol
  • Chemisol
An example of a psychedelic agent is
  • DNA
  • LSD
  • DDT
  • TNT
Which of the following is not an antiseptic drug
  • Iodoform
  • Dettol
  • Gammexane
  • Genatian violet
Which of the following is a hallucinogenic drug?
  • Methedrine
  • Calmpose
  • LSD
  • Seconal
Which of the following as an antioxidant in edible oils
  • Vitamine $$B$$
  • Vitamine $$C$$
  • Vitamine $$D$$
  • Vitamine $$E$$
Sulphaguadine is used for
  • Dysentery
  • Urinary infections
  • Antiseptic
  • Antipyretic
Which statement is false
  • Some disinfectants can be used antiseptics at low concentration
  • Sulphadiazine is a synthetic antibacterial
  • Ampicillin is a natural antibiotic
  • None of these
Which of the following is an antidiabatic drug?
  • Insulin
  • Penicilin
  • Chloroquine
  • Aspirin
Which is correct about vanillin
  • A flavouring agent having vanila flavour
  • o - hydroxy - m - methoxy - benzaldehyde
  • A food additive
  • All of these
Substance used for the preservation of coloured fruit juices is
  • Benzene
  • Benzoic acid
  • Phenol
  • Sodium meta bisulphite
Which of the following substances is an antacid?
  • $$NaCl$$
  • $$Mg(OH)_{2}$$
  • $$HCl$$
  • $$H_{2}SO_{4}$$
Assertion : Penicillin (G) is an antihistamine.

Reason: Penicillin (G) is effective against gram-positive bacteria.

Read the above assertion and reason and choose the correct option regarding it.
  • Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
  • Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
  • Both Assertion and Reason are incorrect
  • Assertion is correct but Reason is incorrect
  • Assertion is incorrect but Reason is correct
Anionic surfactants are:
  • $$C_{15}H_{31}COONa$$
  • $$C_nH_{2n+1}(OCH_2CH_2)_x\cdot OH$$
2-acetoxybenzoic acid is used as:
  • antiseptic
  • antidepressant
  • antimalarial
  • antipyretic
The artificial sweetener containing chlorine that has the appearance and taste as that of sugar and is stable at cooking temperature is:
  • Aspartame
  • Saccharin
  • Sucralose
  • Alitame
The correct statements for orthoboric acid is/are:
  • it behave as a weak acid in water due to self ionisation.
  • acidity of its aqueous solution increase upon addition of ethylene glycol.
  • both (A) and (B).
  • None of these.
Reaction involved in saponification process is 
$$CH_{3} COO C_{2} H_{5} \xrightarrow{NaOH} CH_{3} COO Na + C_{2} H_{5}OH$$
  • True
  • False
Veronal and luminal are derivatives of barbituric acid, which are:
  • tranquilizers
  • non-narcotic analgesic
  • antiallergic drugs
  • None of the above
Soaps are sodium salts of fatty acids, RCOONa; e.g. $$C_{17}H_{35}COO^-Na^+$$. It gives an insoluble precipitate / layer with 
  • $$Ca^{2+}$$ (aq)
  • $$Mg^{2+}$$ (aq)
  • HCl (aq)
  • All of these
Aspirin is an acetylation product of:
  • p-dihyroxybenzene
  • o-hydroxybenzoic acid
  • o-dihydroxy benzene
  • m-hydroxybenzoic acid
Assertion : Enzymes have active sites that hold substrate molecule for a chemical reaction
Reason : Drugs compete with natural substrate by attaching covalently to the active site of enzyme
  • Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
  • Both Assertion and Reason are correct and Reason is NOT the correct explanation for Assertion
  • Both Assertion and Reason are incorrect
  • Assertion is correct but Reason is incorrect
  • Assertion is incorrect but Reason is correct
  • Answer reqiured
Assertion : Chemical messengers are chemicals that enable communication of message between two neurons or between neurons and muscles.
Reason : Chemicals enter the cell through receptor.
  • Both Assertion and Reason are incorrect.
  • Both Assertion and Reason are correct. 
  • Both Assertion and Reason are correct and Reason is the incorrect explanation for Assertion.
  • Assertion is correct but Reason is incorrect.
  • non of these
  • A and B
____ are proteins that are crucial to body's communication process. These are present in cell membranes but a small active part of it projects out of the membrane.
  • Lipids
  • Enzymes
  • Synapses
  • Receptors
Assertion: Artificial sweeteners are added to the food to control the intake of calories.

Reason: Most of the artificial sweeteners are inert and do not metabolise in the body. 

Read the above assertion and reason and choose the correct option regarding it.
  • Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
  • Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
  • Both Assertion and Reason are incorrect.
  • Assertion is correct but Reason is incorrect.
  • Assertion is incorrect but Reason is correct.
Butylated hydroxy toluene as a food additive acts as:
  • antioxidant
  • flavouring agent
  • coloring agent
  • emulsifier
Identify the structure of phenacetin.
Match the following.
List - IList - II
ASucraloseIAntioxidant
BIodineIIArtificial sweetener
CSodium benzoateIIIAntacid
DRanitidineIVAntiseptic
                                     V    Food preservative
  • A- II, B- IV, C- I, D- III
  • A- II, B- IV, C- V, D- III
  • A- II, B- III, C- V D- I
  • A- II, B- I C- III D- IV
4-hydroxyacetanilide belongs to which of the following?
  • Antipyretic
  • Antacid
  • Antiseptic
  • Antihistamine
Which of the following is an anionic detergent?     
  • Sodium lauryl sulphate
  • Cetyltrimethyl ammonium bromide
  • Glyceryl oleate
  • Sodium stearate
Which of the following sets of reactants is used for preparation of paracetamol from phenol?
  • $$HN{ O }_{ 3 },{ { H }_{ 2 } }/{ Pd },{ \left( C{ H }_{ 3 }CO \right) }_{ 2 }O$$
  • $${ H }_{ 2 }S{ O }_{ 4 },{ { H }_{ 2 } }/{ Pd },{ \left( C{ H }_{ 3 }CO \right) }_{ 2 }O$$
  • $${ C }_{ 6 }{ H }_{ 5 }{ N }_{ 2 }Cl,{ Sn{ Cl }_{ 2 } }/{ HCl },{ \left( C{ H }_{ 3 }CO \right) }_{ 2 }O$$
  • $${ { Br }_{ 2 } }/{ { H }_{ 2 }O },{ Zn }/{ HCl },{ \left( C{ H }_{ 3 }CO \right) }_{ 2 }O$$
$$X + Y \xrightarrow[]{H^+} Aspirin + H_3CCOOH$$ 

Identify $$X$$ and $$Y$$ from the following options:
The reason for "drug induced poisoning" is:
  • binding at the allosteric sites of the enzyme
  • binding irreversibly to the active site of the enzyme
  • binding reversibly at the active site of the enzyme
  • bringing conformational change in the binding site of the enzyme
Glaucoma is treated by which of the following?
  • androgenic drug
  • androgenic blocking drug
  • cholinergic drug
  • anticholinergic drug
The correct match between items of  List- I and List- II is:
List IList II
(A) Phenelzine(P) Pyrimidine
(B) Chloroxylenol(Q) Furan
(C) Uracil(R) Hydrazine
(D) Rantidine(S) Phenol
  • (A)- (S); (B)- (R); (C)- (P); (D)-(Q)
  • (A)- (R); (B)- (S); (C)- (P); (D)-(Q)
  • (A)- (R); (B)- (S); (C)- (Q); (D)-(P)
  • (A)- (S); (B)- (R); (C)- (Q); (D)-(P)
Among the $$\alpha$$-amino acids- threonine, tyrosine, methionine, arginine and tryptophan, those which contain an aromatic group in their side chain are:
  • Theronine and arginine
  • Tyrosine and tryptophan
  • Methionine and tyrosine
  • Arginine and tryptophan
_________ is a potent vasodilator.
  • Histamine
  • Serotonin
  • Codeine
  • Cimetidine
Among the following, which one acts as a food preservative?
  • Aspartame
  • Aspirin
  • Sodium Benzoate
  • Paracetamol
Cetyltrimethyl ammonium bromide is a popular:
  • anionic detergent
  • cationic detergent
  • sweetener
  • non-ionic detergent

Important function of the drug with the following structure is:
1205127_9da12c4815ff43e2874d81f1b18e5ba3.PNG
  • Reducing fever
  • Relieving pain
  • Anti blood clotting action
  • All of these
Cetyl trimethyl ammonium chloride is an example of 
  • anionic detergent
  • cationic detergent
  • non-ionic detergent
  • Soap
Emulsification of $$10 \ ml$$ of oil in water produces $$2.4 \times 10^{18}$$ droplets. If the surfaces tension at the oil-water interface is $$0.03 \ Jm^{-2}$$ and the area of each droplets is $$12.5 \times 10^{-16}m^2$$, the energy spent in the formation of oil droplets is:-
  • $$90 \ J$$
  • $$30 \ J$$
  • $$900 \ J$$
  • $$10 \ J$$
The drug used for the treatment of throat infection is
  • Quinine
  • Piperazine
  • Sulpha drug like sulphanilamide
  • Isonicotin hydrazide
Choose the correct option for a suitable match between Column I and Column II.

Column I                                Column II
(P) Artificial  Sweetener(L) Caramel
(Q) Food Preservative(M) Ascorbic acid
(R) Antioxidants(N) Alitame
(S) Food colours(O) Sorbic acid
  • P$$\rightarrow$$N, Q$$\rightarrow$$ O, R$$\rightarrow$$ L, S$$\rightarrow$$ M
  • P$$\rightarrow$$ N,Q$$\rightarrow$$ M, R$$\rightarrow$$ O, S$$\rightarrow$$ L
  • P$$\rightarrow$$ N, Q$$\rightarrow$$ O, R$$\rightarrow$$ M, S$$\rightarrow$$L
  • P$$\rightarrow$$ L, Q$$\rightarrow$$ O, R$$\rightarrow$$ M,S$$\rightarrow$$ N
What is the problem faced while using alitame as artificial sweetener?
  • It decomposes when added to the food items.
  • It provides a huge number of calories to the food.
  • It is difficult to control the sweetness of food while using it.
  • It increases the volume of the contents to a large extent.
Examples of three detergents are given below. Mark the correct statements following the examples.
937143_487db979f9ba4f459bce04b4e7403e5d.png
  • I and II are non-diodegradable detergents and III is biodegradable.
  • I and II are biodegradable detergents and III is non-biodegradable.
  • I, II and III are non-biodegradable detergents.
  • I is biodegradable and II, III are non-biogegradable.
The following compound is used as
1269330_58b517bc8c624225a9327f9009b81497.png
  • An anti-inflammatory coompound
  • Analgesic
  • Hypnotic
  • Antiseptic
Hydrolysis of $$NH_{4}Cl$$ is called-
  • Catoionic
  • Anionic
  • Cationic and anionic both
  • None of these
Correct statement among the following is: 
  • Antihistamine is potent vasodilator.
  • Antaigonists mimic the natural messenger by switching on receptor.
  • Chlordiazepoxide suitable for relieving tension.
  • Soframycin is brand spectrum antibiotic.
The role of phosphate in detergent powder is to :
  • Control $$pH$$ level of the detergent water mixture
  • Remove $$Ca^{2+}$$ and $$Mg^{2+}$$ ions from the water that causes the hardness of water
  • Provides whiteness to the fabrics
  • Form solid detergent as phosphate-less detergents are liquid are in nature.
Chloroquine is an example of?
  • Antipyretic
  • Antimalarial
  • Antibacterial
  • None of the above
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