Which one of the following is employed as antihistamine?

(a) Diphenyl hydramine

(b) Norethindrone

(c) Omeprazole

(d) Chloramphenicol

Which one of the following is employed as a of tranquiliser drug?

(a) Promethazine

(b) Valium

(C) Naproxen

(d) Mifepristone

Which of the following hormones contains iodine?

(a) Insulin

(b) Testosterone

(c) Adrenaline

(d) Thyroxine

Which of the following protein destroy the antigen when it enters in body cell?

(a) Antibodies

(b) Insulin

(c) Chromoprotein

(d) Phosphoprotein

Vitamin- B₁₂ contains

1. Zn (II)

2. Ca (II)

3. Fe (II)

4. Co (II)

Enzymes take part in a reaction and

(a) decrease the rate of a chemical reaction

(b) increase the rate of a chemical reaction

(c) Both (a) and (b)

(d) None of the above

Which one of the following vitamins is water-soluble?

(a) Vitamin-B

(b) Vitamin-E

(C) Vitamin K

(d) Vitamin A

Which one of the following is employed as a tranquiliser?

(a) Equanil

(b) Naproxen

(c) Tetracycline

(d) Chlorpheninamine

Commonly used antiseptic 'Dettol' is a mixture of

(a) o-chlorophenoxylenol + terpineol

(b) o-cresol + terpineol

(c) phenol + terpineol

(d) chloroxylenol + terpineol

In reference to biological role, Ca²⁺ ions are important in

(a) triggering the contraction of muscles

(b) generating the right electrode potential across cell membrane

(c) hydrolysis of ATP

(d) defence mechanism