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Q.162 Zoology ⭐ 360° Option Elimination Active
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NEET 2024 Zoology Question 162 Solution

Topic: Human Health and Disease · Official NTA Booklet Code T1
NEET 2024 Zoology Question 162: Drug Classification: Plant Sources and Medical Applications

Question

Match List I with List II. List I: A. Cocaine; B. Heroin; C. Morphine; D. Marijuana. List II: I. Effective sedative in surgery; II. Cannabis sativa; III. Erythroxylum; IV. Papaver somniferum. Choose the correct answer from the options given below:

✓
Verified Against NTA Final Answer Key
Option (2) : A-III, B-IV, C-I, D-II
📚 Human Health and Disease Easy
📋 Given Parameters & Problem Setup
List I (Drugs) A: Cocaine; B: Heroin; C: Morphine; D: Marijuana
List II (Source / Use) I: Effective sedative in surgery; II: Cannabis sativa; III: Erythroxylum; IV: Papaver somniferum
⚡

The 30-Second Exam Hall Shortcut: ⚡ Drug Origin Match

⏱️ Save ~25 seconds

Cocaine = Erythroxylum coca (III); Heroin = Papaver somniferum (IV); Morphine = Sedative/analgesic in surgery (I); Marijuana = Cannabis sativa (II)! Match: A-III, B-IV, C-I, D-II!

1 A. Cocaine: Coca alkaloid obtained from Erythroxylum coca (III).
2 B. Heroin: Diacetylmorphine extracted from the latex of poppy plant Papaver somniferum (IV).
3 C. Morphine: Very effective sedative and painkiller, highly useful in patients undergoing surgery (I).
4 D. Marijuana: Cannabinoid obtained from inflorescences of Cannabis sativa (II).
5 Matching order: A-III, B-IV, C-I, D-II -> Option (2) / B.
🛡️
Why You Can 100% Trust This Shortcut: NCERT Biology · Human Health and Disease (Drugs and Alcohol Abuse)
📐

Step-by-Step Rigorous Workflow & Mathematical Proof

Step 1

Match Opioids and Cannabinoids

Morphine is extracted from the latex of poppy plant Papaver somniferum and is a very effective sedative and painkiller used for surgical patients (C -> I). Heroin (smack) is chemically diacetylmorphine, also obtained from Papaver somniferum (B -> IV). Cannabinoids like marijuana, hashish, charas and ganja are obtained from the inflorescences of Cannabis sativa (D -> II).

Step 2

Match Cocaine Botanical Source

Coca alkaloid or cocaine is obtained from the coca plant, Erythroxylum coca, native to South America (A -> III).

Step 3

Assemble Match

A-III, B-IV, C-I, D-II matches Option (2).

⭐

360° Option Elimination Engine Key Feature

Diagnose every choice: Know exactly why the right option works and why distractors fail.

4-Option Deep Scan
1 (1)
✗ Incorrect
Verdict & Scientific Reason:

Mismatches Cocaine with Cannabis.

⚠️
Student Fallacy (Why candidates pick this trap): Mismatches Cocaine with Cannabis.
2 (2)
✓ 100% Correct
Verdict & Scientific Reason:

Accurately pairs all four drugs with their respective botanical sources or clinical applications.

💡
Why this is airtight: None.
3 (3)
✗ Incorrect
Verdict & Scientific Reason:

Mismatches Cocaine with Papaver and Heroin with Erythroxylum.

⚠️
Student Fallacy (Why candidates pick this trap): Mismatches Cocaine with Papaver and Heroin with Erythroxylum.
4 (4)
✗ Incorrect
Verdict & Scientific Reason:

Mismatches Cocaine with sedative surgery use.

⚠️
Student Fallacy (Why candidates pick this trap): Mismatches Cocaine with sedative surgery use.
⚠️

NTA Trap Alert: Morphine vs Heroin Botanical Identity

Confusing the chemical source of heroin (Papaver somniferum) with its clinical parent compound morphine.

🛡️ How to avoid the -1 mark: Heroin is synthesized by acetylation of morphine from Papaver somniferum; morphine is used clinically as a surgical analgesic.
📖

Core NEET Syllabus Standard

Biology Core Zoology · Human Health and Disease Standard Benchmark
Core Scientific Principle Tested:

"Morphine is a very effective sedative and painkiller, and is very useful in patients who have undergone surgery. Heroin is diacetylmorphine obtained from Papaver somniferum. Coca alkaloid or cocaine is obtained from Erythroxylum coca. Cannabinoids are obtained from Cannabis sativa."

Syllabus Focus: Drug Classification: Plant Sources and Medical Applications
✓ Core NEET UG Syllabus Anchor Syllabus & Academic Standards ↗

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⚖️ Legal & Fair Dealing Notice: Sourced from publicly released NEET 2024 question papers and NEET answer keys for private study, research, and non-commercial educational practice under Fair Dealing (Section 52(1)(a) of the Indian Copyright Act, 1957). Not affiliated with or endorsed by NTA or NMC.

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