Choose the correct answer

Chemistry in Everyday Life

EVALUATION

Choose the correct answer:

1. Which of the following is an analgesic?

a) Streptomycin

b) Chloromycetin

c) Asprin

d) Penicillin

2. Antiseptics and disinfectants either kill or prevent growth of microorganisms. Identify which of the following statement is not true.

a) dilute solutions of boric acid and hydrogen peroxide are strong antiseptics.

b) Disinfectants harm the living tissues.

c) A 0.2% solution of phenol is an antiseptic while 1% solution acts as a disinfectant.

d) Chlorine and iodine are used as strong disinfectants.

3) Drugs that bind to the receptor site and inhibit its natural function are called

a) antagonists

b) agonists

c) enzymes

d) molecular targets

4. Aspirin is a/an

a) acetylsalicylic acid

b) benzoyl salicylic acid

c) chlorobenzoic acid

d) anthranilic acid

5. Which one of the following structures represents nylon 6,6 polymer?

[Option: d]

6. Natural rubber has

a) alternate cis- and trans-configuration

b) random cis- and trans-configuration

c) all cis-configuration

d) all trans-configuration

7. Nylon is an example of

a) polyamide

b) polythene

c) polyester

d) poly saccharide

8. Terylene is an example of

a) polyamide

b) polythene

c) polyester

d) polysaccharide

9. Which is the monomer of neoprene in the following?

[Option: a]

10. Which one of the following is a bio-degradable polymer?

a) HDPE

b) PVC

c) Nylon 6

d) PHBV

11. Non stick cook wares generally have a coating of a polymer, whose monomer is

a) ethane

b) prop-2-enenitrile

c) chloroethene

d) 1,1,2,2-tetrafluoroethane

12. Assertion: 2-methyl-1,3-butadiene is the monomer of natural rubber

Reason: Natural rubber is formed through anionic addition polymerisation.

a) If both assertion and reason are true and reason is the correct explanation of assertion.

b) if both assertion and reason are true but reason is not the correct explanation of assertion.

c) assertion is true but reason is false.

d) both assertion and reason are false.

13. Which of the following is a co-polymer?

a) Orlon

b) PVC

c) Teflon

d) PHBV

14. The polymer used in making blankets (artificial wool) is

a) polystyrene

b) PAN

c) polyester

d) polythene

15. Regarding cross-linked or network polymers, which of the following statement is incorrect?

a) Examples are Bakelite and melamine

b) They are formed from bi and tri-functional monomers

c) They contain covalent bonds between various linear polymer chains

d) They contain strong covalent bonds in their polymer chain

PTA Question Oneword:

1. Which of the following not correctly matched?

Answer: b)

2. Penicillin is an example of

a) Analgesics

b) Antibiotic

c) Anaesthetic

d) Antacid

Answer: b)

3. Assertion : Paracetamol and aspirin are both antipyretics.

Reason: Both Paracetamol and aspirin are controlled and reversible loss of consciousness by affecting central nervous system

a) Both assertion and reason are true and Reason is correct explanation for assertion

b) Both assertion and reason are true and Reason is not correct explanation for assertion

c) Assertion is true but reason is false

d) Both Assertion and Reason are false

Answer: c)

4. Assertion: The quality of soap is described in terms of total fatty matter (TFM value)

Reason: As per BIS standards, Grade-I soaps should have 60% minimum TFM value.

a) Both assertion and reason are true and Reason is correct explanation for assertion

b) Both assertion and reason are true and Reason is not correct explanation for assertion

c) Assertion is true but reason is false

d) Both Assertion and Reason are false

Answer: c)

5. The medicinal value of a drug is measured in terms of its

a) De oxyribose

b) gold number

c) Therapeutic index

d) equilibrium constant

Answer: d)