Chemistry in Everyday Life Test

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Chemistry in Everyday Life Test - 2

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following is a neurotransmitter?

A
Insulin

B
Serotonin

C
Oestrogen

D
Testosterone

Solution

All the others are hormones.
Question 2
1 / -0

Enzymes act as catalysts for biological reactions. Which of the following statements regarding enzymes is not true?

A
Enzymes hold the substrate molecule for the chemical reaction.

B
Enzymes provide the functional group which attacks the substrate.

C
The substrate is held to the enzyme by strong forces of attraction.

D
Chemically, all enzymes are globular proteins.

Solution

The binding forces should be strong enough to hold the substrate to catalyze the reaction but weak enough to allow the product to depart.
Question 3
1 / -0

The substances which do not act as drug targets essentially are

A
proteins

B
nucleic acids

C
carbohydrates

D
mineral salts

Solution

Proteins, nucleic acids and carbohydrates act as drug targets.
Question 4
1 / -0

The antibiotic which is bacteriostatic is

A
penicillin

B
erythromycin

C
ofloxacin

D
streptomycin

Solution

The others are bactericidal.
Question 5
1 / -0

Identify the correct statement about tagamet.

A
The chemical name of tagamet is ranitidine.

B
Earlier, it was the largest selling drug in the world.

C
It is a histamine.

D
It works as an antibiotic.

Solution

Tagamet is the common name of cimetidine and it is an anti-histaminic drug. Earlier, it was the largest selling drug in the world.
Question 6
1 / -0

Which of following is used as an antacid but is not an anti-histamine?

A
Magnesium trisilicate

B
Omeprazole

C
Lansoprazole

D
Zantac

Solution

Magnesium trisilicate is an inorganic compound that is used as an antacid in the treatment of peptic ulcers.
Magnesium trisilicate is a base and neutralises the excess of acid in the stomach, but it is not an anti-histamine.
Question 7
1 / -0

Which of the following statements about tranquilisers is/are true?

A
They inhibit the secretion of acid in the stomach.

B
They inhibit the action of enzymes which catalyse the degradation of noradrenaline.

C
They are antimicrobial.

D
Both (1) and (3)

Solution

Tranquilisers inhibit the action of enzymes that catalyse the degradation of noradrenaline.
Question 8
1 / -0

Which of the following are semisynthetic modifications of penicillin?

I. Ampicillin
II. Amoxicillin
III. Streptomycin

A
I, II, III

B
I, II

C
II, III

D
I, III

Solution

Ampicillin is a penicillin antibiotic that is used to treat or prevent many different types of infections such as bladder infections, pneumonia, gonorrhea, meningitis, or infections of the stomach or intestines.

Amoxicillin is a penicillin antibiotic that fights bacteria. Amoxicillin is used to treat many different types of infection caused by bacteria, such as tonsillitis, bronchitis, pneumonia, and infections of the ear, nose, throat, skin, or urinary tract.

Streptomycin is an aminoglycoside antibiotic produced by the soil actinomycete Streptomyces griseus.

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Re-Attempt Weekly Quiz Competition

Chemistry in Everyday Life Test - 2

Result

Chemistry in Everyday Life Test - 2

Score

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SHARING IS CARING

Question 1

Insulin

Serotonin

Oestrogen

Testosterone

Solution

Question 2

Enzymes hold the substrate molecule for the chemical reaction.

Enzymes provide the functional group which attacks the substrate.

The substrate is held to the enzyme by strong forces of attraction.

Chemically, all enzymes are globular proteins.

Solution

Question 3

proteins

nucleic acids

carbohydrates

mineral salts

Solution

Question 4

penicillin

erythromycin

ofloxacin

streptomycin

Solution

Question 5

The chemical name of tagamet is ranitidine.

Earlier, it was the largest selling drug in the world.

It is a histamine.

It works as an antibiotic.

Solution

Question 6

Magnesium trisilicate

Omeprazole

Lansoprazole

Zantac

Solution

Question 7

They inhibit the secretion of acid in the stomach.

They inhibit the action of enzymes which catalyse the degradation of noradrenaline.

They are antimicrobial.

Both (1) and (3)

Solution

Question 8

I, II, III

I, II

II, III

I, III

Solution

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