Chemistry in Everyday Life Test

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Chemistry in Everyday Life Test - 5

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Weekly Quiz Competition

Question 1
1 / -0.25

Antimicrobial drugs include
(i) antiseptics
(ii) antibiotics
(iii) disinfectants

A
(i) and (ii)

B
(i) and (iii)

C
(ii) and (iii)

D
(i), (ii) and (iii)

Solution

Antimicrobials destroy or prevent the pathogenic action of microorganisms. Antibiotics, antiseptics and disinfectants are antimicrobial drugs.
Question 2
1 / -0.25

Which of the following is not an antibiotic?

A
Chloramphenical

B
Ofloxacin

C
Penicillin

D
Prontosil

Solution

Prontosil is an antibacterial agent containing sulphur.
Question 3
1 / -0.25

The antibiotic which is effective against certain strains of cancer cells

A
Dysidazirine

B
Sulphanilamide

C
Vancomycin

D
Ofloxacin

Solution

Dysidazirine is supposed to be toxic against certain strains of cancer cells.
Question 4
1 / -0.25

Which of the following is not an antibiotic

A
Chloramphenicol

B
Oxytocin

C
Erythromycin

D
Tetracyclin

Solution

Oxytocin is a hormone, which is released from posterior pituitary gland. It controls the contraction of uterus after child birth and releases milk from the mammary glands.
Question 5
1 / -0.25

A drug which is effective in curing malaria is:

A
Aspirin

B
Quinine

C
Morphine

D
Analgin

Solution

Chloroquine is an effective antimalarial drug.
Question 6
1 / -0.25

An ester which is used as a medicine

A
Ethyl acetate

B
Methyl acetate

C
Methyl salicylate

D
Ethyl benzoate

Solution

Methyl salicylate is commonly known as 'aspirin 'and used as an analgesic.
Question 7
1 / -0.25

Which of the following antibiotics is bactericidal?

A
Erthromycin

B
Tetracycline

C
Penicillin

D
Chloramphenicol

Solution

Penicillin is a bactericidal antibiotic.
Question 8
1 / -0.25

Which of the following statements is not correct about penicillin?

A
Penicillin G has a narrow spectrum

B
It is extracted from antibacterial fungus Penicillium

C
Ampicillin and amoxycillin are synthetic modifications of penicillins

D
It has bacteriostatic effect

Solution

Penicillin has bactericidal effect.
Question 9
1 / -0.25

Which one of the following statements is not correct?

A
Some disinfectants can be used as antiseptic atlow concentration

B
Aspirin is analgesic and antipyretic

C
Norethindrone is an antihistamine

D
Chloramphenicol is a broad spectrum antibiotic

Solution

Norethindrone is an antifertility drug.
Question 10
1 / -0.25

Which of the following statements is not correct?

A
Antiseptics can be safely applied to the living tissues

B
Antiseptics can be incorporated intodeoderants, face powders and soaps

C
Disinfectants can also be applied to the skinsafely

D
A very dilute solution of a few disinfectants canbe used as antiseptics

Solution

Disinfectants are harmful to the living tissues hence they are not applied to the skin.
Question 11
1 / -0.25

Which of the following statements is incorrect?

A
Aspirin is both analgesic and antipyretic

B
Ampicillin is a natural antibiotic

C
Salvarsan is toxic to human beings

D
Some disinfectants are used as antiseptics inlower concentrations

Solution

Ampicillin is synthetic modification of penicillin.
Question 12
1 / -0.25

What is tincture of iodine?

A
2-3% solution of iodine in alcohol-water mixture

B
A mixture of iodine in chloroxylenol

C
A mixture of 0.2% phenol and 2-3% iodine in water

D
2-3% solution of iodine in potassium iodide

Solution

2-3% solution of iodine in alcohol-water mixture is known as tincture of iodine. It is a powerful antiseptic.
Question 13
1 / -0.25

The main constituents of dettol are

A
chloramphenicol + glycerol

B
2-3% solution of iodine in alcohol

C
0.2% solution of phenol

D
chloroxylenol and terpineol

Solution

Antiseptics are applied to the living tissues such as wounds, cuts, ulcers and diseased skin surfaces. Examples are furacine, soframicine etc. These are not ingested like antibiotics. Commonly used antiseptic, dettol is a mixture of chloroxylenol and terpineol.
Question 14
1 / -0.25

Which of the following is not true about antifertility drugs?

A
Birth control pills contain a mixture of synthetic estrogen and progesterone derivatives

B
Both compounds i.e.estrogen and progesterone are vitamins

C
Progesterone is supposed to suppress ovulation

D
Norethindrone is an example of synthetic progesterone derivative

Solution

Estrogen and progesterone are hormones.
Question 15
1 / -0.25

Match the column I with column II and mark the appropriate choice.

A
(A)→(i), (B)→(ii), (C)→(iv), (D)→(iii)

B
(A)→(ii), (B) →(iii), (C) →(iv), (D) →(i)

C
(A)→(iii), (B) →(iv), (C) →(i), (D) →(ii)

D
(A)→(iv), (B) →(i), (C) →(ii), (D) →(iii)

Solution

Antibiotics have either cidal (killing) effect or a static (inhibitory) effect on microbes.
Bactericidal antibiotics kill bacteria whereas bacteriostatic antibiotics slow their growth or reproduction.
The range of bacteria or other microorganisms that are affected by a certain antibiotic is expressed as its spectrum of action.
Those effective mainly against Gram-positive or Gram-negative bacteria are narrow spectrum antibiotics.
Receptors are proteins that are crucial to body ’s communication process.
Here, option B matches the appropriate answers and hence is the correct option.

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Chemistry in Everyday Life Test - 5

Result

Chemistry in Everyday Life Test - 5

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SHARING IS CARING

Question 1

(i) and (ii)

(i) and (iii)

(ii) and (iii)

(i), (ii) and (iii)

Solution

Question 2

Chloramphenical

Ofloxacin

Penicillin

Prontosil

Solution

Question 3

Dysidazirine

Sulphanilamide

Vancomycin

Ofloxacin

Solution

Question 4

Chloramphenicol

Oxytocin

Erythromycin

Tetracyclin

Solution

Question 5

Aspirin

Quinine

Morphine

Analgin

Solution

Question 6

Ethyl acetate

Methyl acetate

Methyl salicylate

Ethyl benzoate

Solution

Question 7

Erthromycin

Tetracycline

Penicillin

Chloramphenicol

Solution

Question 8

Penicillin G has a narrow spectrum

It is extracted from antibacterial fungus Penicillium

Ampicillin and amoxycillin are synthetic modifications of penicillins

It has bacteriostatic effect

Solution

Question 9

Some disinfectants can be used as antiseptic atlow concentration

Aspirin is analgesic and antipyretic

Norethindrone is an antihistamine

Chloramphenicol is a broad spectrum antibiotic

Solution

Question 10

Antiseptics can be safely applied to the living tissues

Antiseptics can be incorporated intodeoderants, face powders and soaps

Disinfectants can also be applied to the skinsafely

A very dilute solution of a few disinfectants canbe used as antiseptics

Solution

Question 11

Aspirin is both analgesic and antipyretic

Ampicillin is a natural antibiotic

Salvarsan is toxic to human beings

Some disinfectants are used as antiseptics inlower concentrations

Solution

Question 12

2-3% solution of iodine in alcohol-water mixture

A mixture of iodine in chloroxylenol

A mixture of 0.2% phenol and 2-3% iodine in water

2-3% solution of iodine in potassium iodide

Solution