Attention Users: For systematic learning, please prefer to check the index page of the Forensic Toxicology MCQs Page. Here, we listed all the MCQs based on the NTA UGC syllabus.
1. Chloral hydrate comes under the following category:
- Tranquiliser
- Hypnotic
- Hallucinogen
- Analgesic
Answer and Explanation
Answer: (2) Hypnotic
Explanation: Chloral hydrate is a hypnotic drug that slows the activity of the CNS and has both fast-acting and long-lasting sedative effects.
2. Following is the sedative drug
- Diazepam
- Tetraethyl derivates
- Chloralhydrate
- Paracetamol
Answer and Explanation
Answer: (1) Diazepam
Explanation: Diazepam is a sedative drug that is used as a muscle-relaxing agent. Moreover, it is also used to treat anxiety disorders and alcohol withdrawal symptoms.
3. Phenothiazines Derivatives are notorious headache toxicologists because
- It binds to fatty tissues
- It binds to carbohydrates
- It binds firmly to the tissue portion
- None of the above
Answer and Explanation
Answer: (3) It binds firmly to the tissue portion
Explanation: Read More: Binding of Phenothiazines and Related Compounds to Tissues and Cell Constituents
4. The main ingredient of Mandrax is
- PCP
- STP
- Methaqualone
- GHB
Answer and Explanation
Answer: (3) Methaqualone
Explanation: The main ingredient of Mandax is methaqualone (in large amount), and diphenhydramine. Moreover, many illegal Mandrax tablets forms also contain benzodiazepines.
-> Other names of Mandrax are Quaalude, ludes, buttons, press outs, quas, quacks, soaps, and slopes.
5. LSD is derived from which of the following plant?
- Cannabis sp.
- Papaver Somniferum
- Erythroxylum sp.
- Claviceps purpurea
Answer and Explanation
Answer: (4) Claviceps purpurea
Explanation: LSD (Lysergic acid diethylamide) is a hallucinogenic compound that is obtained from the Sclerotia of ergot fungus, Claviceps purpurea, that grows on the rye plant.
6. Match the following:
| List – I | List – II |
| (a) Cardiac | (i) Brucine |
| (b) Deliriant | (ii) Calotropin |
| (c) Spiral | (iii) Aconitine |
| (d) Irritant | (iv) Cannabinoid |
| (a) | (b) | (c) | (d) | |
| 1. | (ii) | (iii) | (iv) | (i) |
| 2. | (iii) | (iv) | (i) | (ii) |
| 3. | (iv) | (i) | (iii) | (ii) |
| 4. | (i) | (ii) | (iii) | (iv) |
Answer and Explanation
Answer: (2) (iii), (iv), (i), (ii)
7. Effects of barbiturate onsets after
- One hrs
- Three hrs
- Four hrs
- Six hrs
Answer and Explanation
Answer: (1) One hrs
Explanation: The effects of barbiturates begin within 30 minutes to 60 minutes and can last longer than 10-16 hrs.
8. Assertion (A): Endrin is also called ‘Plant Penicillin’.
Reason (R): Endrin has a broad spectrum of activity against various insects and pests.
Codes:
- Both (A) and (R) are correct
- (A) is correct but (R) is incorrect
- (A) is incorrect but (R) is correct
- Both (A) and (R) are incorrect
Answer
Answer: (1) Both (A) and (R) are correct
9. Which of the following symptom is more prominent in Dhatura poisoning?
- Convulsions
- Paralysis
- Delirium
- Coma
Answer and Explanation
Answer: (3) Delirium
Explanation: In Dhatura poisoning, due to the action of atropine, delirium is seen in the patient. Delirium is a state of mental confusion and emotional disruption that causes difficulty in thinking and remembering, impaired memory, and loss of attention.
10. Which of the following is a CNS depressant?
- Methcathinone
- Ecgonine
- Meprobamate
- Methylphenidate
Answer and Explanation
Answer: (3) Meprobamate
Explanation: Meprobamate is in a class of medications called tranquilizers which slows down the activity in the brain to allow for relaxation.
11. Which of the following drug is known as ‘Red Devils’?
- Secobarbital
- Dextropropoxyphene
- Pentazocine
- Meprobamate
Answer and Explanation
Answer: (1) Secobarbital
Explanation: Secobarbital is a short-acting sodium derivative barbiturate. Its street names are Red devils or Reds.
12. Which one of the following possesses thymoleptic properties?
- Hydrogen
- Nicotine
- Sodium
- Lithium
Answer and Explanation
Answer: (4) Lithium
Explanation: Thymoleptic is a term to describe any drug that favorably modifies mood in serious mood disorders such as depression or mania.
13. Which of the following is a hepatotoxic poison :
- Alcohol
- Atropine
- Morphine
- Amphetamine
Answer and Explanation
Answer: (1) Alcohol
Explanation: Hepatotoxic poisons are those substances that primarily affect the liver by directly damaging the liver tissues or blocking a metabolic process.
14. “Cold Turkey” is a term associated with
- Street drug
- Heroin available through darknet
- Rehabilitation program for opiate abusers
- Operation against drug dealers supplying drugs to Europe from Asia through Turkey
Answer and Explanation
Answer: (3) Rehabilitation program for opiate abusers
Explanation:
-> Cold Turkey is a term used to define sudden withdrawal from complete obstruction of drugs.
-> Fundamentals of Forensic Science by Houck and Seigel states When the addict stops
taking the drug, especially suddenly or “cold turkey,” a set of physical symptoms (withdrawal
syndrome) occurs. This syndrome can be intensely uncomfortable and painful, and in some
cases, can even cause death.
-> Forensic Medicine by Anil Aggrawal: “Cold Turkey” is food that requires a little preparation so going “cold turkey” is sudden withdrawal, without preparation.
15. The following are the drugs of addiction, except:
- Heroin
- Barbiturates
- Opium
- Nemolid
Answer and Explanation
Answer: (4) Nemulid
Explanation:
-> Nemulid (Nimesulide) is a nonsteroidal anti-inflammatory drug (NSAID) that is used to treat acute pain, and painful osteoarthritis, and also has fever-reducing properties.
-> Opium is derived from unripe seedpods of the opium poppy (Papaver somniferum). And common derivates are morphine, codeine, and heroin. Moreover, active principles are morphine (10%) and a small amount of papaverine and codeine.
-> Barbiturates is a drug that is a derivate of barbituric acid and acts as a central nervous system depressant.
-> Heroin is a highly addictive drug that is a derivate of opium.
16. Diacetyl morphine is also named as:
- Mascaline
- Psilocybin
- LSD
- Heroin
Answer
Answer: (4) Heroin
17. The main ingredients of mandrax is
- Meprobamate
- Methaqualone
- Methamphetamine
- Methylphenidate
Answer and Explanation
Answer: (2) Methaqualone
Explanation:
The main ingredient of Mandax is methaqualone (in large amount), and diphenhydramine. Moreover, many illegal Mandrax tablets forms also contain benzodiazepines. Other names of Mandrax are Quaalude, ludes, buttons, press outs, quas, quacks, soaps, and slopes.
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