Q.174 Zoology ⭐ 360° Option Elimination Active

NEET 2023 Zoology Question 174 Solution

Topic: Locomotion and Movement · Official NTA Booklet Code G5

Question

Match List I (Type of Joint) with List II (Found between). List I: A. Cartilaginous Joint; B. Ball and Socket Joint; C. Fibrous Joint; D. Saddle Joint. List II: I. Between flat skull bones; II. Between adjacent vertebrae in vertebral column; III. Between carpal and metacarpal of thumb; IV. Between Humerus and Pectoral girdle. Choose the correct answer from the options given below:

✓

Verified Against NTA Final Answer Key

Option (3) : A-II, B-IV, C-I, D-III

📚 Locomotion and Movement Easy

📋 Given Parameters & Problem Setup

List I (Joint Types) Cartilaginous Joint, Ball and Socket Joint, Fibrous Joint, Saddle Joint

List II (Locations) Between flat skull bones, Between adjacent vertebrae, Between carpal and metacarpal of thumb, Between humerus and pectoral girdle

⚡

The 30-Second Exam Hall Shortcut: ⚡ Skeletal Joint Location Matcher

⏱️ Save ~25 seconds

Match standard NCERT joint examples: Cartilaginous = Between adjacent vertebrae (II). Ball and socket = Between humerus and pectoral girdle (IV). Fibrous = Sutures between flat skull bones (I). Saddle = Between carpal and metacarpal of thumb (III)! Match Option (3)!

1 Cartilaginous joint: Between adjacent vertebrae in vertebral column (permits limited movement) -> A-II.

2 Ball and socket joint: Between head of humerus and glenoid cavity of pectoral girdle -> B-IV.

3 Fibrous joint: Dense fibrous connective tissue forming sutures between flat skull bones (immovable) -> C-I.

4 Saddle joint: Between carpal and metacarpal of thumb -> D-III.

5 Match combination: A-II, B-IV, C-I, D-III -> Option (3).

🛡️

Why You Can 100% Trust This Shortcut: Canonical NCERT Locomotion and Movement anatomical joint classification.

📐

Step-by-Step Rigorous Workflow & Mathematical Proof

Step 1

Anatomical Classification of Joints

Joints are classified into three structural categories based on the tissue joining the articulating bones:

\begin{aligned} \text{\textbf{A. Cartilaginous Joint:}} & \quad \text{Intervertebral discs between adjacent vertebrae} \implies \mathbf{\text{II}} \\[4pt] \text{\textbf{B. Ball and Socket Joint:}} & \quad \text{Synovial joint between humerus and glenoid cavity of pectoral girdle} \implies \mathbf{\text{IV}} \\[4pt] \text{\textbf{C. Fibrous Joint:}} & \quad \text{Immovable sutures between flat bones of cranium} \implies \mathbf{\text{I}} \\[4pt] \text{\textbf{D. Saddle Joint:}} & \quad \text{Synovial joint between carpal and metacarpal of the thumb} \implies \mathbf{\text{III}} \end{aligned}

Step 2

Verbatim NCERT Reference

NCERT states under Joints: - "Fibrous joints do not allow any movement... shown by the flat skull bones which fuse end-to-end with the help of dense fibrous connective tissues in the form of sutures." - "In cartilaginous joints, the bones involved are joined together with the help of cartilages... between the adjacent vertebrae in the vertebral column." - "Ball and socket joint (between humerus and pectoral girdle), Saddle joint (between carpal and metacarpal of thumb)."

Step 3

Option Verification

Matching A-II, B-IV, C-I, D-III uniquely corresponds to Option (3).

⭐

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 Fibrous joint with thumb and Saddle joint with skull.

⚠️

Student Fallacy (Why candidates pick this trap): Swapping immovable fibrous sutures with movable synovial saddle joints.

2 2

✗ Incorrect

Verdict & Scientific Reason:

Mismatches Cartilaginous joint with thumb and Ball and socket with skull.

⚠️

Student Fallacy (Why candidates pick this trap): Scrambling joint anatomical locations.

3 3

✓ 100% Correct

Verdict & Scientific Reason:

Every joint type matches its canonical NCERT location verbatim.

💡

Why this is airtight: None; textbook verbatim match.

4 4

✗ Incorrect

Verdict & Scientific Reason:

Mismatches Cartilaginous joint with skull bones.

⚠️

Student Fallacy (Why candidates pick this trap): Thinking cranial sutures are cartilaginous.

⚠️

NTA Trap Alert: Hinge vs. Pivot vs. Saddle Synovial Subtype Trap

Students frequently mix up specific synovial joint subtypes: Knee/Elbow = Hinge; Atlas-Axis = Pivot; Carpal-Metacarpal of thumb = Saddle.

🛡️ How to avoid the -1 mark: Remember: Thumb carpal-metacarpal is the classic unique Saddle joint.

📖

Core NEET Syllabus Standard

NCERT Biology · Locomotion and Movement Standard Benchmark

Core Scientific Principle Tested:

"Cartilaginous joints occur between adjacent vertebrae; Ball and socket joint occurs between humerus and pectoral girdle; Fibrous joints occur in skull sutures; Saddle joint occurs between carpal and metacarpal of thumb."

Syllabus Focus: Joints

✓ Core NEET UG Syllabus Anchor Syllabus & Academic Standards ↗

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NEET 2023 Zoology Question 174 Solution

Question

The 30-Second Exam Hall Shortcut: ⚡ Skeletal Joint Location Matcher

Step-by-Step Rigorous Workflow & Mathematical Proof

Anatomical Classification of Joints

Verbatim NCERT Reference

Option Verification

360° Option Elimination Engine Key Feature

NTA Trap Alert: Hinge vs. Pivot vs. Saddle Synovial Subtype Trap

Core NEET Syllabus Standard

Ready to attempt under real exam pressure?

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