21. Match the following:
List – I (Projection Blood stain patterns) List – II (Forms following patterns)
a. Cast off i. Arc
b. Drip ii. Stroke
c. Swipe iii. Linear
d. Arterial gushing iv. Satellite
Codes:
a b c d
(A) iii iv ii i
(B) i iii ii iv
(C) iv i ii iii
(D) i iv ii iii
Answer: (A)
22. Age of blood stain can be determined by, except
(A) Colour change
(B) DNA
(C) Globulin/Albumin ratio
(D) Protein patterns
Answer: (B)
23. Structure of DNA, carrier of the genetic blueprint of all biological organisms has been reported by
(A) Alec Jeffreys
(B) Muller
(C) Crick & Watson
(D) E.M. Southern
Answer: (C)
24. By which method Nicotine is isolated from alkaline solution?
(A) Dry ashing
(B) Wet digestion
(C) Distillation
(D) Sublimation
Answer: (C)
25. Arrange in the ascending order of presence of Δ9THC in the following:
(i) Charas
(ii) Bhang
(iii) Ganja
(iv) Charas oil
Codes:
(A) (iv), (i), (iii), (ii)
(B) (ii), (iii), (i), (iv)
(C) (iv), (ii), (i), (iii)
(D) (ii), (iv), (i), (iii)
Answer: (B)
26. Wet digestion method is used for the extraction of ________ poisons from viscera.
(A) Alkaloids
(B) Pesticides
(C) Toxic heavy metals
(D) Barbiturates
Answer: (C)
27. For preparing Heroin from morphine, which of the following is used as acetylating reagent?
(A) Acetic anhydride
(B) Sodium Hydroxide
(C) Ammonium Hydroxide
(D) Calcium Hydroxide
Answer: (A)
28. Ethanol is absorbed into blood from
(A) Stomach and small intestine
(B) Liver and large intestine
(C) Kidney and liver
(D) Stomach and large intestine
Answer: (A)
29. Which one of the following is not an insecticide of vegetable origin?
(A) Nicotine
(B) Pyrethrins
(C) Rotenone
(D) Chlorodane
Answer: (D)
30. The important characteristic of petrol includes
(A) Anti-knock index
(B) Density
(C) Research octane number
(D) All of the above
Answer: (D)
