Q.156 Zoology ⭐ 360° Option Elimination Active

NEET 2024 Zoology Question 156 Solution

Topic: Human Health and Disease · Official NTA Booklet Code T1

Question

Which of the following are Autoimmune disorders? A. Myasthenia gravis B. Rheumatoid arthritis C. Gout D. Muscular dystrophy E. Systemic Lupus Erythematosus (SLE) Choose the most appropriate answer from the options given below:

✓

Verified Against NTA Final Answer Key

Option (4) : A, B & E only

📚 Human Health and Disease Easy

📋 Given Parameters & Problem Setup

Category Autoimmune disorders

Candidates A: Myasthenia gravis; B: Rheumatoid arthritis; C: Gout; D: Muscular dystrophy; E: Systemic Lupus Erythematosus (SLE)

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The 30-Second Exam Hall Shortcut: ⚡ Autoimmune Disease Triad Knockout

⏱️ Save ~30 seconds

Gout (C) is metabolic (uric acid crystals); Muscular dystrophy (D) is genetic (dystrophin gene defect). Eliminate C and D! Myasthenia gravis (A), Rheumatoid arthritis (B), and SLE (E) are autoimmune!

1 Classify each disorder:

2 - A: Myasthenia gravis -> Autoimmune (antibodies attack ACh receptors).

3 - B: Rheumatoid arthritis -> Autoimmune (immune attack on joints/synovium).

4 - C: Gout -> Metabolic disorder (inflammation due to uric acid crystals).

5 - D: Muscular dystrophy -> Genetic disorder (X-linked progressive muscle degeneration).

6 - E: SLE (Systemic Lupus Erythematosus) -> Classic Autoimmune disorder.

7 Select A, B & E only -> Option (4) / D.

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Why You Can 100% Trust This Shortcut: NCERT Biology · Human Health and Disease (Autoimmunity and Immune System Disorders)

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Step-by-Step Rigorous Workflow & Mathematical Proof

Step 1

Define Autoimmunity

Autoimmunity is a condition where the body’s immune system loses self-tolerance and generates auto-antibodies or autoreactive T-cells that attack host tissues.

Step 2

Evaluate Given Disorders

- Myasthenia gravis (A): Autoimmune disorder affecting neuromuscular junctions leading to fatigue and paralysis of skeletal muscles. - Rheumatoid arthritis (B): Autoimmune disease affecting joint synovial membranes, highlighted in NCERT. - Systemic Lupus Erythematosus (E): Multiorgan autoimmune disease. - Gout (C): Inflammation of joints due to accumulation of uric acid crystals (metabolic). - Muscular dystrophy (D): Progressive degeneration of skeletal muscle mostly due to genetic mutation in dystrophin protein.

Step 3

Formulate Correct Set

Disorders A, B, and E are autoimmune, giving A, B & E only (Option 4).

⭐

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:

Includes Gout (C), which is a metabolic disorder caused by hyperuricemia.

⚠️

Student Fallacy (Why candidates pick this trap): Includes Gout (C), which is a metabolic disorder caused by hyperuricemia.

2 (2)

✗ Incorrect

Verdict & Scientific Reason:

Includes Gout (metabolic) and Muscular dystrophy (genetic).

⚠️

Student Fallacy (Why candidates pick this trap): Includes Gout (metabolic) and Muscular dystrophy (genetic).

3 (3)

✗ Incorrect

Verdict & Scientific Reason:

Includes Muscular dystrophy (D), which is a genetic disorder.

⚠️

Student Fallacy (Why candidates pick this trap): Includes Muscular dystrophy (D), which is a genetic disorder.

4 (4)

✓ 100% Correct

Verdict & Scientific Reason:

Accurately groups Myasthenia gravis, Rheumatoid arthritis, and SLE as authentic autoimmune conditions.

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Why this is airtight: None.

⚠️

NTA Trap Alert: Muscular Dystrophy vs Myasthenia Gravis

Confusing muscular dystrophy with myasthenia gravis because both involve skeletal muscle weakness.

🛡️ How to avoid the -1 mark: Myasthenia gravis is AUTOIMMUNE (neuromuscular junction antibodies); Muscular dystrophy is GENETIC (inherited mutation).

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Core NEET Syllabus Standard

Biology Core Zoology · Human Health and Disease Standard Benchmark

Core Scientific Principle Tested:

"Sometimes, due to genetic and other unknown reasons, the body attacks self-cells. This results in damage to the body and is called auto-immune disease. Rheumatoid arthritis which affects many people in our society is an auto-immune disease. Myasthenia gravis is an auto-immune disorder affecting neuromuscular junction."

Syllabus Focus: Autoimmune Diseases vs Metabolic and Genetic Disorders

✓ Core NEET UG Syllabus Anchor Syllabus & Academic Standards ↗

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NEET 2024 Zoology Question 156 Solution

Question

The 30-Second Exam Hall Shortcut: ⚡ Autoimmune Disease Triad Knockout

Step-by-Step Rigorous Workflow & Mathematical Proof

Define Autoimmunity

Evaluate Given Disorders

Formulate Correct Set

360° Option Elimination Engine Key Feature

NTA Trap Alert: Muscular Dystrophy vs Myasthenia Gravis

Core NEET Syllabus Standard

Ready to attempt under real exam pressure?

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