Most of the questions are random to match the condition and environment of the examination paper. This will help to acquire your thinking skill more than arranged MCQs.
Note: This section included MCQs related to General Forensic Science topics including crime scene investigation, laws, principles, and contributors to Forensic science.
1. Match List-I with List-II
| List-I | List-II |
|---|---|
| (A) Controlled substance | (I) A raw material that becomes a part of the finished product |
| (B) Diluent | (II) A chemical that reacts with one or more of the precursor chemicals, but does not become part of the finished product |
| (C) Precursor chemical | (III) An inert substance used to increase the mass of the controlled substance |
| (D) Reagent chemical | (IV) Any substance, commonly drugs, whose possession or use is regulated |
| Options | (A) | (B) | (C) | (D) |
|---|---|---|---|---|
| (1) | II | III | IV | II |
| (2) | I | II | III | IV |
| (3) | III | I | II | IV |
| (4) | IV | III | I | II |
Answer
Answer: (4) (IV), (III), (I), (II)
2. Match List-I with List-II
| List-I | List-II |
|---|---|
| (A) Reflux | (I) A chemical reaction or series of chemical reactions in which molecules or parts of molecules are combined to create a new molecule |
| (B) Solvent | (II) The act of placing the finished product into dosage forms or into smaller saleable units for distribution |
| (C) Synthesis process | (III) A controlled boiling process in which the evaporated liquid is condensed and returned to the reaction mixture |
| (D) Tableting process | (IV) A chemical that is used to dissolve solid precursors or reagents, to dilute reaction mixtures, and to separate or purify other chemicals |
| Options | (A) | (B) | (C) | (D) |
|---|---|---|---|---|
| (1) | II | I | IV | III |
| (2) | III | IV | I | II |
| (3) | II | IV | I | III |
| (4) | I | IV | II | III |
Answer
Answer: (2) (III), (IV), (I), (II)
3. Match List-I with List-II
| List-I | List-II |
|---|---|
| (A) Affinity | (I) A drug eliciting a response subsequent to its binding to a receptor |
| (B) Agonist | (II) A trimeric protein using GTP as a source of energy to transmit signals from outside the cell into that cell bridging receptors to an intracellular enzyme |
| (C) Antagonism | (III) The property of blocking the effect of an agonist |
| (D) G-protein | (IV) Attraction between molecules based on chemical interactions. |
| Options | (A) | (B) | (C) | (D) |
|---|---|---|---|---|
| (1) | IV | I | III | II |
| (2) | I | IV | II | III |
| (3) | IV | III | II | II |
| (4) | II | I | III | IV |
Answer
Answer: (1) (IV), (I), (III), (II)
4. Match List-I with List-II
| List-I | List-II |
|---|---|
| (A) Kinase | (I) Enzyme acting through dephosphorylation to activate or inactivate substrates |
| (B) Phosphatase | (II) Enzyme acting through phosphorylation to activate or inactivate substrates |
| (C) Potency | (III) A comparative measure of doses required to elicit a response. The smaller the dose, the more potent the drug |
| (D) Receptor | (IV) The process of silencing gene expression through DNA interaction with transcription factors |
| Options | (A) | (B) | (C) | (D) |
|---|---|---|---|---|
| (1) | II | I | IV | III |
| (2) | I | II | III | IV |
| (3) | II | I | III | IV |
| (4) | IV | III | I | II |
Answer
Answer: (3) (II), (I), (III), (IV)
5. Match List-I with List-II
| List-I | List-II |
|---|---|
| (A) Dependence | (I) The loss of response to a drug in spite of its presence |
| (B) Tolerance | (II) A behavior accompanied by craving and possibly physical symptoms when drug use is terminated. |
| (C) Craving | (III) The compelling need to seek a drug for a desired effect to return. |
| (D) Withdrawal | (IV) A syndrome of physical and psychiatric symptoms triggered by sudden cessation of drug use |
| Options | (A) | (B) | (C) | (D) |
|---|---|---|---|---|
| (1) | II | I | III | IV |
| (2) | I | IV | III | II |
| (3) | III | II | IV | II |
| (4) | I | II | III | IV |
Answer
Answer: (1) (II), (I), (III), (IV)
6. Match List-I with List-II
| List-I | List-II |
|---|---|
| (A) Induction | (I) The process of enhancing gene expression through DNA interaction with transcription factors |
| (B) Repression | (II) The property of blocking the effect of an agonist |
| (C) Potentiation | (III) The property of enhancing the effect of an agonist |
| (D) Antagonism | (IV) The process of silencing gene expression through DNA interaction with transcription factors |
| Options | (A) | (B) | (C) | (D) |
|---|---|---|---|---|
| (1) | I | II | IV | III |
| (2) | II | I | III | IV |
| (3) | I | II | III | IV |
| (4) | I | IV | III | II |
Answer
Answer: (3) (I), (II), (III), (IV)
7. Match List-I with List-II
| List-I | List-II |
|---|---|
| (A) Analytical toxicology | (I) The use of analytical methods to detect substances |
| (B) Confirmation test | (II) The second test or the test that unequivocally identifies a substance |
| (C) Quality assurance | (III) A process that checks the reliability of a laboratory to conduct its work. |
| (D) Screening test | (IV) The initial test that suggests the presence of a substance or class of substances |
| Options | (A) | (B) | (C) | (D) |
|---|---|---|---|---|
| (1) | I | II | IV | III |
| (2) | I | II | III | IV |
| (3) | II | I | III | IV |
| (4) | II | I | IV | III |
Answer
Answer: (2) (I), (II), (III), (IV)
8. Match List-I with List-II
| List-I | List-II |
|---|---|
| (A) Anesthetic | (I) Any variation from the normal rhythm of the heartbeat. |
| (B) Arrhythmia | (II) A substance producing either local or general loss of sensation. |
| (C) First-pass metabolism | (III) The portion of an oral dose metabolized in the intestine, gut wall, or liver before reaching the systemic circulation. |
| (D) Headspace | (IV) The space above a solid or liquid in a container. |
| Options | (A) | (B) | (C) | (D) |
|---|---|---|---|---|
| (1) | II | I | III | IV |
| (2) | IV | II | I | III |
| (3) | I | IV | II | III |
| (4) | III | II | I | IV |
Answer and Explanation
Answer: (1) (II), (I), (III), (IV)
Explanation:
-> Anesthetic is a substance producing loss of sensation.
-> Arrhythmia refers to abnormal heart rhythm.
-> First-pass metabolism occurs before a substance reaches systemic circulation
-> Headspace is the space above a solid or liquid in a container.
9. Match List-I with List-II
| List-I | List-II |
|---|---|
| (A) Intoxication | (I) The study of drug absorption, distribution, metabolism, and elimination. |
| (B) Limit of detection | (II) Excitement or elation induced by drugs. |
| (C) Methemoglobinemia | (III) The presence of abnormal amounts of oxidized hemoglobin in blood. |
| (D) Pharmacokinetics | (IV) The smallest amount of a substance that can be detected |
| Options | (A) | (B) | (C) | (D) |
|---|---|---|---|---|
| (1) | III | II | I | IV |
| (2) | II | I | IV | III |
| (3) | II | IV | III | I |
| (4) | IV | III | II | I |
Answer and Explanation
Answer: (3) (II), (IV), (III), (I)
Explanation:
-> Intoxication refers to excitement or elation induced by drugs.
-> Limit of detection is the smallest amount of a substance that can be detected
-> Methemoglobinemia is the presence of abnormal amounts of oxidized hemoglobin in the blood.
-> Pharmacokinetics studies drug absorption, distribution, metabolism, and elimination.
10. Match List-I with List-II
| List-I | List-II |
|---|---|
| (A) Adulterant | (I) A substance having a specific toxic effect on the kidney. |
| (B) Blood cholinesterase inhibitor | (II) A substance that binds to the enzyme cholinesterase and inhibits the biodegradation of acetylcholine. |
| (C) Nephrotoxin | (III) Any foreign substance that modifies the purity or effectiveness of a substance. |
| (D) Phosphodiesterase type-5 inhibitors | (IV) A class of vasoactive drugs that have been developed for treatment of erectile dysfunction. |
| Options | (A) | (B) | (C) | (D) |
|---|---|---|---|---|
| (1) | III | II | I | IV |
| (2) | IV | II | I | III |
| (3) | II | III | IV | I |
| (4) | I | III | II | IV |
Answer and Explanation
Answer: (1) (III), (II), (I), (IV)
Explanation:
-> An adulterant is a foreign substance that modifies the purity or effectiveness of a substance
-> A blood cholinesterase inhibitor binds to the enzyme cholinesterase and inhibits the biodegradation of acetylcholine
-> A nephrotoxic has a specific toxic effect on the kidney
-> Phosphodiesterase type-5 inhibitors is a class of vasoactive drugs that have been developed for the treatment of erectile dysfunction.
11. Match List-I with List-II.
| List-I | List-II |
|---|---|
| (A) Contaminant | (I) Unwanted substance making something dirty or poisonous |
| (B) Decoction | (II) Drugs derived from plants |
| (C) Hypoglycemia | (III) Symptoms associated with blood glucose level below 4 m/mol |
| (D) Phytopharmaceuticals | (IV) Extraction method using boiling of plant material |
| Options | (A) | (B) | (C) | (D) |
|---|---|---|---|---|
| (1) | I | IV | III | II |
| (2) | I | II | IV | III |
| (3) | I | III | IV | II |
| (4) | IV | I | II | II |
Answer and Explanation
Answer: (1) (I), (IV), (III), (II)
Explanation:
-> A contaminant is an unwanted substance that makes something dirty or poisonous
-> Decoction is an extraction method using boiling of plant material
-> Hypoglycemia refers to symptoms associated with blood glucose level below 4 m/mol,
-> Phytopharmaceuticals are drugs derived from plants.
12. Match List-I with List-II.
| List-I | List-II |
|---|---|
| (A) Accumulation | (I) Blood pH value below 7.4 |
| (B) Acidosis | (II) Increase in concentration after repeated drug doses |
| (C) Adipose tissue | (III) Blood pH value above 7.4 |
| (D) Alkalosis | (IV) Body tissue containing stored fat |
| Options | (A) | (B) | (C) | (D) |
|---|---|---|---|---|
| (1) | II | III | IV | I |
| (2) | I | II | III | IV |
| (3) | II | I | IV | III |
| (4) | IV | I | II | III |
Answer and Explanation
Answer: (3) (II), (I), (IV), (III)
Explanation:
-> Accumulation refers to the increase in concentration after repeated drug doses
-> Acidosis is a blood pH value below 7.4
-> Adipose tissue is body tissue containing stored fat
-> Alkalosis is a blood pH value above 7.4.
13. Match List-I with List-II
| List-I | List-II |
|---|---|
| (A) Diffusion | (I) Treating a corpse with preservatives to prevent decay |
| (B) Enzyme induction | (II) Increase of drug metabolism by drugs or chemicals |
| (C) Enzyme inhibition | (III) Movement of drugs along a concentration gradient |
| (D) Embalming | (IV) Decrease of drug metabolism by drugs or chemicals |
| Options | (A) | (B) | (C) | (D) |
|---|---|---|---|---|
| (1) | II | I | IV | III |
| (2) | III | II | IV | I |
| (3) | I | IV | II | III |
| (4) | III | II | I | IV |
Answer and Explanation
Answer: (2) (III), (II), (IV), (I)
Explanation:
-> Diffusion is the movement of drugs along a concentration gradient
-> Enzyme induction is the increase of drug metabolism by drugs or chemicals
-> Enzyme inhibition is the decrease of drug metabolism by drugs or chemicals
-> Embalming is treating a corpse with preservatives to prevent decay.
14. Match List-I with List-II
| List-I | List-II |
|---|---|
| (A) Eschweiler–Clarke | (I) Ratio of detector responses in extracted and unextracted samples |
| (B) Glucuronidase | (II) Enzyme that catalyzes hydrolysis of various glucuronides |
| (C) Hemolytic | (III) Destruction of red blood cells, releasing hemoglobin |
| (D) Extraction efficiency | (IV) Methylating an amine through a chemical reaction |
| Options | (A) | (B) | (C) | (D) |
|---|---|---|---|---|
| (1) | I | II | III | IV |
| (2) | III | II | IV | I |
| (3) | IV | III | II | I |
| (4) | IV | II | III | I |
Answer and Explanation
Answer: (4) (IV), (II), (III), (I)
Explanation:
-> Eschweiler–Clarke reaction is a chemical reaction that methylates an amine.
-> Glucuronidase is an enzyme that catalyzes the hydrolysis of various glucuronides.
-> Hemolytic refers to the destruction of red blood cells, releasing hemoglobin.
-> Extraction efficiency is the ratio of detector responses in extracted and unextracted samples.
15. Match List-I with List-II
| List-I | List-II |
|---|---|
| (A) Interference | (I) Technique using antigen-antibody binding |
| (B) Immunoassay | (II) Errors in analytical results |
| (C) Metabolism | (III) Enzymatic or biochemical transformation of a substance |
| (D) Methanolysis | (IV) Reaction with methanol to change a substance |
| Options | (A) | (B) | (C) | (D) |
|---|---|---|---|---|
| (1) | II | III | II | IV |
| (2) | I | II | III | IV |
| (3) | II | I | III | IV |
| (4) | I | II | IV | III |
Answer
Answer: (3) (II), (I), (III), (IV)
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