1. In human seminal fluid, the amount of spermatozoa is

(A) 3 thousand spermatozoa/ml

(B) 50 billion spermatozoa/ounce

(C) 25 trillion spermatozoa/pint

(D) 100 million spermatozoa/ml

Answer: (D)

2. In GC-MS, a process in which an inert gas is bubbled through the water is known as

(A) Trapping

(B) Purging

(C) Mixing

(D) Eluting

Answer: (B)

3. The time interval that a drug takes for its concentration to drop to half of its concentration is known as

(A) Full life period

(B) Sleep life period

(C) Half-life period

(D) Quarter life period

Answer: (C)

4. 90% of the total ethanol consumed in body is converted into acetaldehyde and acetic acid within the

(A) Liver

(B) Lung

(C) Stomach

(D) Kidney

Answer: (A)

5. Effects of barbiturate onsets after

(A) Twelve hours

(B) Eight hours

(C) Two hours

(D) Six hours

Answer: (C)

6. Cannabis sativa contains the following principal constituents

(a) Cannabinol

(b) Strychnine

(c) Hyosciene

(d) Tetra hydro cannabinol


(A) (a) and (b) are correct.

(B) (a) and (c) are correct.

(C) (a) and (d) are correct.

(D) (b) and (c) are correct.

Answer: (C)

7. Which of the following instrument is used to identify the organic drugs?

(A) Infra-red spectrophotometer

(B) Polymerase chain reaction

(C) Atomic absorption spectrophotometer

(D) Automatic blood analyzer

Answer: (A)

8. The soap remains present in the blood because of high alkaline binding capacity of the serum/due to its dissociated products like

(A) Proteins

(B) Albumin

(C) Fatty acid


Answer: (C)

9. Derringers are single shot pistols, which possess

(A) Single barrel

(B) Multiple barrels

(C) Choke in the barrel

(D) Magazine

Answer: (B)

10. In the firing mechanism of firearm trombone action is also called as

(a) Pump action

(b) Lever action

(c) Bolt action

(d) Slide action


(A) (a) and (b) are correct

(B) (a) and (c) are correct

(C) (b) and (d) are correct

(D) (a) and (d) are correct

Answer: (D)