Forensic Chemical Sciences QnA (FACT 2022)

FACT and FACT Plus Exam 20 March 2022

Exam Name	FACT and FACT Plus Exam 20 March 2022
Test Date	20/03/2022
Test Time :	9:00 AM – 11:00 AM
Subject	Forensic Chemical Sciences (FACT)

Contents

• Section I: Aptitude in Forensic Science.
• Section II: Forensic Chemical Science.

Section I: Aptitude in Forensic Science

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Section II: Forensic Chemical Sciences

Q.51. Lead in petroleum is detected by

1. GC-MS
2. NMR
3. HPLC
4. NAA

Answer: 4. NAA

Q.52. Which of the following opium alkaloid is used in a cough syrup

1. Narcotine
2. Morphine
3. Codeine
4. Thebaine

Answer: 3. Codeine

Q.53. Photomultiplier tube is NOT suitable for detection of

1. IR photons
2. UV photons
3. Fluorescence
4. Visible photons

Answer: 1. IR Photons

Q.54. Proof spirit is a mixture of alcohol and water, with a combination of

1. 30% alcohol by volume
2. 37% alcohol by volume
3. 57% alcohol by volume
4. 47% alcohol by volume

Answer: 3. 57% alcohol by volume

Q.55. Which of the following are the antidotes in case of methanol poisoning?

1. Atropine
2. Fomepizole
3. Hydroxy cobalamine
4. N-acetylcysteine

Answer:  2. Fomepizole

Q.56. Wall scrappings can be used as a first aid remedy in poisoning by:

1. Salicylic acid
2. Hydrochloric acid
3. Oxalic acid
4. Carbolic acid

Answer: 3. Oxalic Acid

Q.57. Viscosity can be identified by:

1. Pycnometer
2. Hygrometer
3. Osmometer
4. Rheometer

Answer: 4. Rheometer

Q.58. Aluminium Phosphide can be tested by:

1. Scott test
2. Reinsch test
3. Gutzeit test
4. Negm test

Answer: 3. Gutzeit Test

Q.59. Which is used as antiknocking agent?

1. Tetra ethyl lead
2. CMT
3. None of these
4. Both 1 and 2

Answer: 4. Both 1 and 2

Q.60. Phenolphthalein is

1. Carcinogenic
2. Indicator
3. Laxative
4. Both 2 and 3

Answer:

Q.61. Mass fragments m/z 303, 272, 182, 22 are commonly observed in

1. Buprenorphine
2. Cocaine
3. Ephedrine
4. Diamorphine

Answer: 2. Cocaine

Q.62. Dille-koppanyi is specific test for the detection of

1. Phenothiazines
2. Barbiturates
3. Benzodiazepines
4. Cannabinoids

Answer: 2. Barbiturates

Q.63. Dimercaprol is useful in the treatment of poisoning by:

1. Mercury
2. Lead
3. Cyanide
4. Phosphorus

Answer: 2. Lead

Q.64. Dicobalt acetate is drug of choice in the treatment of poisoning by:

1. Cyanide
2. Mercury
3. Aluminium phosphide
4. Lead

Answer: 1. Cyanide

Q.65. Idukki gold name given to

1. Opium
2. Cannabis
3. Coca
4. Peyote

Answer: 2. Cannabis

Q.66. Synergic effect is observed in following

1. Alcohol and Promethazine
2. Alcohol and Cocaine
3. Alcohol and Flunitrazepam
4. Alcohol and Phenobarbitone

Answer: 4. Alcohol and Phenobarbitone

Q.67. Which of the following is the metabolite of Diazepam

1. Alprazolam
2. Oxazepam
3. Lorazepam
4. Temazepam

Choose the correct answer from the options given below:

1. A and B
2. C and D
3. B And D
4. A and D

Answer: 3. B and D

Q.68. What percentage of alcohol is absorbed through the stomach walls into the portal vein of the blood system?

1. 20%
2. 30%
3. 40%
4. 10%

Answer: 1. 20%

Q.69. Which among the following is most potent opiate

1. Fentantyl
2. Heroin
3. Morphine
4. MDMA

Answer: 1. Fentantyl

Q.70. COTPA act was framed and executed in the year

1. 2001
2. 2002
3. 2003
4. 2004

Answer: 3. 2003

Q.71. In case of acute CO poisoning, coma and death with lively red colour occur at the carboxy haemoglobin level of:

1. 10-30%
2. 40-50%
3. 30-40%
4. 50-60%

Answer: 4. 50-60%

Q.72. In gas chromatography technique which of the following gases is NOT suitable?

1. Argon
2. Helium
3. Oxygen
4. Nitrogen

Answer: 2. Helium

Q.73. In which one of the following types of liquid chromatography, immobilized biochemical is used as a stationary phase?

1. Affinity chromatography
2. Exclusion chromatography
3. Gel permeation chromatography
4. Ion exchange chromatography

Answer: 1. Affinity Chromatography

Q.74. Pseudoephedrine and ephedrine are:

1. Enantiomers
2. Diastereomers
3. Conjugates
4. Tautomers

Answer: 2. Diastereomers

Q.75. Maximum diaphoretic action can be seen with:

1. Alcohol
2. Piocarpine
3. Paracetamol
4. Salicylates

Answer: 2. Piocarpine

Q.76. Animal affected by poisons similar to human beings is:

1. Frogs
2. Rabbit
3. Cat
4. Guinea pig

Answer: 3. Cat

Q.77. Subsonic explosions are created by low explosives through a process known as.

1. Brisance
2. Sonic explosion
3. Deflagration
4. Detonations

Answer: 3. Deflagration

Q.78. Which one is not prepared from grape?

1. Wine
2. Sherry
3. Cognac
4. Whisky

Answer: 4. Whisky

Q.79. Which of the following is NOT a limitation of beer lambert’s Law, which gives the relation between absorption, thickness and concentration on

1. Radiation must have higher bandwidth
2. Concentration must be lower
3. Does not consider factors other than thickness and concentration
4. Radiation source must be monochromatic

Answer: 1. Radiation must have higher bandwidth

Q.80. Which is not an example of primary high explosive?

1. Mercury fulminate
2. RDX
3. Lead azide
4. None of these

Answer: 2. RDX

Q.81. Which of the following explosives was first prepared for medicinal use in 1899?

1. RDX
2. HMX
3. PETN
4. ANFO

Answer: 1. RDX

Q.82. Half-life of archaeological objects can be determined by

1. XRF
2. ICP-AES
3. NAA
4. ICP-MS

Answer: 3. NAA

Q.83. QuEChERS method is employed for extraction of

1. Acid residue
2. Drug residue
3. Pesticide residue
4. Hydrocarbon

Answer: Pesticides Residue

Q.84. Smell of bitter almonds is present in poisoning by:

1. Oxalic acid
2. Phosphorus
3. Prussic acid
4. Arsenic

Answer: 3. Prussic Acid

Q.85. An average red blood cell contains about __________ molecules of hemoglobin

1. Approx. 13 trillion
2. Approx. 270 million
3. Approx. 800 billion
4. Approx. 740 thousand

Answer: 2. Approx. 270 million

Q.86. Alkalinisation of urine is indicated in poisoning by:

1. Salicylates
2. Organophosphates
3. Opiates
4. Amphetamines

Answer: 1. Salicylates

Q.87. Supersonic explosions created by high explosives are known as:

1. Brisance
2. Deflagration
3. Sonic explosion
4. Detonations

Answer: 4. Detonations

Q.88. TNT is common street name of

1. Methadone
2. Pethidine
3. Designer amphetamine
4. Designer fentanyl

Answer: 4. Designer Fentanyl

Q.89. Zimmerman test is for specific identification of

1. Crack
2. Cathine
3. Calmpose
4. Cannabis

Answer: 3. Calmpose

Q.90. “Run amok” condition may be seen in chronic poisoning by:

1. Cocaine
2. Opium
3. Cannabis
4. Dhatura

Answer: 3. Cannabis

Q.91. The term moonshine is ‘referred for’

1. Illicit liquor
2. For all of these
3. Distilled liquor
4. Undistilled liquor

Answer: 1. Illicit Liquor

Q.92. Red colored tears may be seen in acute poisoning by:

1. Heroin
2. Organophosphorus
3. Dhatura
4. Cocaine

Answer: 2. Organophosphorus

Q.93. Which of the following are advantages of solid-phase extraction over liquid extraction?

1. Small sample size
2. High solvent consumption
3. Emulsion formation
4. High extraction efficiency

Choose the correct answer from the options given below:

1. A and B
2. A and D
3. B and C
4. C and D

Answer: 4. C and D

Q.94. Pathological jealousy is diagnostic of:

1. Alcoholic intoxication
2. Cocaine intoxication
3. Tobacco intoxication
4. Cannabis intoxication

Answer: 1. Alcoholic Intoxication

Q.95. Which one of the following cannot be conserved during Raman Scattering?

1. Kinetic energy
2. Electronic energy
3. Total Energy
4. Momentum

Answer: 1. Kinetic Energy

Q.96. Flash point measured in

1. Thermometer
2. Barometer
3. None of these
4. Abel’s apparatus

Answer: 4. Abel’s Apparatus

Q.97. Is not an example of designer drug

1. JWH-018
2. Bath salt
3. Delta-9-THC
4. Ectasy

Answer: 3. Delta-9-THC

Q.98. The average rate of alcohol elimination in breath per hour is

1. 6.5 μg/dl
2. 25 μg/dl
3. 20 μg/dl
4. 15 μg/dl

Answer: 4. 15 μg/dl

Q.99. Universal antidote contains:

1. Charcoal, Potassium permanganate and Tannic acid
2. Magnesium Oxide, Charcoal and Tannic acid
3. Magnesium oxide, Charcoal and Potassium Permanganate
4. Potassium permanganate, Magnesium oxide and Tannic acid

Answer: 2. Magnesium Oxide, Charcoal and Tannic acid

Q.100. The ratio of alcohol in the blood to alcohol in alveoli air is approximately

1. 2100:1
2. 1:2100
3. 1:2500
4. 2500:1

Answer: 1. 2100:1

Q.101. The minimum temperature at which equal, volume of a hydrocarbon is perfectly miscible with same amount of the compound (C₆H₅NH₂) is known as

1. Mixing point
2. Flash point
3. Aniline point
4. None of these

Answer: 3. Aniline Point

Q.102. Pesticide in biological tissue can be extracted and isolated by:

1. Digestion and LLE
2. None of these
3. Filtration and LLE
4. Distillation and LLE

Answer: 4. Distillation and LLE

Q.103. When ethanol is used as an additive to motor fuels to act as a fuel for internal combustion of engines, it is called

1. Power alcohol
2. Denatured spirit
3. Rectified spirit
4. Proof spirit

Answer: 1. Power Alcohol

Q.104. The shock and noise produced during explosion is called

1. Sonic explosion
2. Deflagration
3. Brisance
4. Detonations

Answer: 3. Brisance

Q.105. Iodoform test is given by

1. Formaldehyde
2. Formic acid
3. Methanol
4. Ethanol

Answer: 4. Ethanol

Q.106. Pheromones are ______________.

1. Enzymes
2. Proteins
3. Hormones
4. Venoms

Answer: 3. Hormones

Q.107. Sampling techniques used in FT-IR

1. Nuzol Mull
2. Calcium fluoride cell
3. Pellet
4. All of these

Answer: 4. All of These

Q.108. Muttering delirium is seen in poisoning by:

1. Organophosphates
2. Charas
3. Dhatura
4. Bhang

Answer: 3. Dhatura

Q.109. Which type of neutron is most suitable for NAA technique?

1. Very low energy neutron
2. Thermal neutron
3. High energy neutron
4. Cold neutron

Answer: 2. Thermal Neutron

Q.110. The drug which was gazette notified has scheduled drug in India in April 2018

1. Mescaline
2. Pseudoephedrine
3. Tramadol
4. Fentanyl

Answer: 3. Tramadol

Q.111. The process of sublimation is used in

1. HPLC
2. None of these
3. Pyrolysis GC
4. TLC and HPTLC

Answer: 3. Pyrolysis GC

Q.112. Hypostasis is cherry-red in colour, in poisoning with:

1. Carbon monoxide
2. Hydrogen sulphide
3. Aniline
4. Phosphorus

Answer: 1. Carbon Monoxide

Q.113. Which one of the following statements is NOT true about mass spectrometers?

1. It is suitable for library retrival
2. Impurities of masses different from the target component interfere
3. It has great sensitivity
4. It is suitable for data storage

Answer: 2. Impurities of masses different from the target component interfere

Q.114. If copper or Iron present in alcohol as impurities, then under the influence of conc. HNO₃ and Potassium ferrocyanide it gives

1. Pink and Blue color
2. Chocolate and Blue color
3. Green and Purple Color
4. Red and Blue color

Answer: 2. Chocolate and Blue Color

Q.115. The modern breath alcohol instrument is based on which of the following technologies?

1. Fluorescence spectroscopy
2. Infrared spectroscopy
3. NMR spectroscopy
4. Emission spectroscopy

Answer: 2. Infrared Spectroscopy

Q.116. Diphenyl amine test can be used to detect which one of the following?

1. Oxalic
2. Carbolic
3. Nitric
4. Sulphuric

Answer: 3. Nitric

Q.117. Which of the following are correct regarding the addition of internal standards (IS) during the extraction of drugs from biometrics?

1. IS should mimic the physicochemical properties of the drug
2. IS should react with target drug
3. IS should not react with target drug
4. IS should make the method less sensitive

Choose the correct answer from the options given below:

1. A and C only
2. A and B only
3. C And D only
4. B and D only

Answer: 1. A and C only

Q.118. An explosion during a fire due to the mixing of fresh air in a compartment having inflammable volatile pyrolysis products & low oxygen is known as

1. Rollover
2. Dropdown
3. Flameover
4. Flashback

Answer: 4. Flashback

Q.119. Mark the poison that acts on the heart

1. Potassium cyanide
2. Oleander
3. Phosphorous
4. Amphetamine

Answer: 2. Oleander

Q.120. MAcEwen’s sign is a manifestation of massive intake of:

1. Ethanol
2. Atropine
3. Methanol
4. Opium

Answer: 1. Ethanol