17.

18.

19.

20.

21.

22.

23.

24.

Dye used for leaker test for the evaluation of parenteral products :
(A) Methylene blue (B) Scarlet red
(6) Bromothymol blue (D) Allof the above

Which among the following is an example of water miscible non aqueous solvent used in the
preparation parenteral preparations?

(^) Ethyl oleate (B) Isopropyl myristate
(C) PEG 400 (D)_ Benzyl benzoate

The bactericide used in ophthalmic preparation must be rapidly effective against wide range
of microorganisms particularly :

(^) Escherichia coli

(B) Pseudomonas aeruginosa
(C) Salmonella typhi

(D) Clostridium tetani

Eye drops are sterilised by :
(4) Autoclaving (B) Heating with bactericide
(C) Membrane filtration (D) Allof the above

The available iodine in povidone-iodine, calculated on dry basis, is :
(A) 9% to 12% (B) 1% to 3%
(C) 27% to 30% (D) 5% to 7%

Which of the following statement about Boric acid is correct?
(^) Very weak acid
(B) Much weaker than carbonic acid
(C) Having a very low dissociation constant
(D) All of the above

The emulsifying action of borax on oils is due to the presence of free alkali formed by :
(A) Oxidation (B) Reduction
(C) Hydrolysis (D)_ Esterification

The pellets of sodium hydroxide should be kept in well-closed bottles because it is :
(A) Highly efflorescence
(B) Highly deliquescent and absorbs carbon dioxide from the air
(C) Highly hygroscopic and absorbs oxygen from the air
(D) Highly effervescence

5 145/2023
[P.T.0.]