Q.176 Zoology ⭐ 360° Option Elimination Active

NEET 2023 Zoology Question 176 Solution

Topic: Structural Organisation in Animals · Official NTA Booklet Code G5

Question

Given below are two statements: Statement I: Ligaments are dense irregular tissue. Statement II: Cartilage is dense regular tissue. In the light of the above statements, choose the correct answer from the options given below:

(1)Statement I is false but Statement II is true.
(2)Both Statement I and Statement II are true.
(3)Both Statement I and Statement II are false.
(4)Statement I is true but Statement II is false.

✓

Verified Against NTA Final Answer Key

Option (3) : Both Statement I and Statement II are false.

📚 Structural Organisation in Animals Medium

📋 Given Parameters & Problem Setup

Statement I Ligaments are dense irregular tissue.

Statement II Cartilage is dense regular tissue.

⚡

The 30-Second Exam Hall Shortcut: ⚡ Connective Tissue Cross-Error: Both are FALSE!

⏱️ Save ~25 seconds

Ligaments and tendons are DENSE REGULAR connective tissue (parallel collagen rows, not irregular!). Cartilage, bone, and blood are SPECIALIZED connective tissues (not dense regular!). Both statements are completely false! Select Option (3)!

1 Dense regular connective tissue: Tendons (muscle to bone) and Ligaments (bone to bone). Statement I calls ligaments dense irregular -> False.

2 Dense irregular connective tissue: Present in skin dermis.

3 Specialized connective tissue: Cartilage, bone, and blood. Statement II calls cartilage dense regular -> False.

4 Both Statement I and Statement II are false.

5 Match Option (3).

🛡️

Why You Can 100% Trust This Shortcut: Canonical NCERT Animal Tissues connective tissue classification matrix.

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Step-by-Step Rigorous Workflow & Mathematical Proof

Step 1

Taxonomy of Connective Tissues in NCERT

Connective tissues are divided into three major categories based on ground matrix and fiber density:

\text{Connective Tissue} = \begin{cases} \mathbf{\text{1. Loose:}} & \text{Areolar, Adipose} \\[3pt] \mathbf{\text{2. Dense:}} & \begin{cases} \mathbf{\text{Regular:}} & \mathbf{\text{Tendons, Ligaments}} \\[2pt] \text{Irregular:} & \text{Skin (Dermis)} \end{cases} \\[3pt] \mathbf{\text{3. Specialised:}} & \mathbf{\text{Cartilage, Bone, Blood}} \end{cases}

Step 2

Evaluation of Statement I

Ligaments attach bone to bone and consist of parallel bundles of collagen and elastic fibers arranged in orderly regular rows. Hence, ligaments are dense regular connective tissue. Statement I calls them "dense irregular", which is FALSE.

\text{Ligaments} \equiv \mathbf{\text{Dense Regular Tissue}} \quad (\neq \text{Dense Irregular}) \implies \text{Statement I is } \mathbf{\text{FALSE}}

Step 3

Evaluation of Statement II

Cartilage has a solid, pliable, chondroitin-rich intercellular material with chondrocytes enclosed in lacunae. NCERT explicitly categorizes cartilage as a specialised connective tissue, alongside bones and blood. Statement II calls it "dense regular", which is FALSE.

\text{Cartilage} \equiv \mathbf{\text{Specialised Connective Tissue}} \quad (\neq \text{Dense Regular}) \implies \text{Statement II is } \mathbf{\text{FALSE}}

⭐

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:

Statement II is false because cartilage is specialized connective tissue, not dense regular.

⚠️

Student Fallacy (Why candidates pick this trap): Thinking cartilage is dense regular connective tissue.

2 2

✗ Incorrect

Verdict & Scientific Reason:

Both statements misclassify their respective connective tissue types.

⚠️

Student Fallacy (Why candidates pick this trap): Assuming both tissue labels are loosely acceptable.

3 3

✓ 100% Correct

Verdict & Scientific Reason:

Both statements are factually false according to canonical NCERT histology classification.

💡

Why this is airtight: None; precise histological taxonomy.

4 4

✗ Incorrect

Verdict & Scientific Reason:

Statement I is false: ligaments are dense regular, not dense irregular.

⚠️

Student Fallacy (Why candidates pick this trap): Believing ligaments possess irregular fiber orientation.

⚠️

NTA Trap Alert: Dense Regular vs. Dense Irregular vs. Specialized Trap

Students frequently remember that tendons and ligaments are dense, but mix up "regular" (parallel bundles) and "irregular" (random criss-cross in skin dermis). Similarly, they forget that cartilage and bone are classified as "specialized".

🛡️ How to avoid the -1 mark: Tendons & Ligaments = Dense Regular. Skin dermis = Dense Irregular. Cartilage, Bone, Blood = Specialized.

📖

Core NEET Syllabus Standard

NCERT Biology · Structural Organisation in Animals Standard Benchmark

Core Scientific Principle Tested:

"Tendons and ligaments are dense regular connective tissue. Cartilage, bones and blood are specialized connective tissues."

Syllabus Focus: Connective Tissue

✓ Core NEET UG Syllabus Anchor Syllabus & Academic Standards ↗

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NEET 2023 Zoology Question 176 Solution

Question

The 30-Second Exam Hall Shortcut: ⚡ Connective Tissue Cross-Error: Both are FALSE!

Step-by-Step Rigorous Workflow & Mathematical Proof

Taxonomy of Connective Tissues in NCERT

Evaluation of Statement I

Evaluation of Statement II

360° Option Elimination Engine Key Feature

NTA Trap Alert: Dense Regular vs. Dense Irregular vs. Specialized Trap

Core NEET Syllabus Standard

Ready to attempt under real exam pressure?

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