Q.110 Botany ⭐ 360° Option Elimination Active

NEET 2025 Botany Question 110 Solution

Topic: Human Reproduction · Official NTA Booklet Code 45

Question

Match List - I with List - II. List I: A. Head; B. Middle piece; C. Acrosome; D. Tail. List II: I. Enzymes; II. Sperm motility; III. Energy; IV. Genetic material. Choose the correct answer from the options given below:

✓

Verified Against NTA Final Answer Key

Option (1) : A-IV, B-III, C-I, D-II

📚 Human Reproduction Easy

📋 Given Parameters & Problem Setup

List - I (Structures) A. Head, B. Middle piece, C. Acrosome, D. Tail

List - II (Functions/Contents) I. Enzymes, II. Sperm motility, III. Energy, IV. Genetic material

⚡

The 30-Second Exam Hall Shortcut: ⚡ Sperm Anatomy Match Fingerprint

⏱️ Save ~30 seconds

Head = Nucleus (Genetic material, IV); Middle piece = Mitochondria (Energy, III); Acrosome = Cap with hyaluronidase (Enzymes, I); Tail = Flagellum (Motility, II)!

1 Quick match the canonical sperm regions:

2 - Head: Contains elongated haploid nucleus carrying Genetic material (A -> IV).

3 - Middle piece: Contains spiral mitochondria providing Energy (ATP) for movement (B -> III).

4 - Acrosome: Filled with lytic Enzymes (sperm lysins) that penetrate ovum (C -> I).

5 - Tail: Whip-like axoneme that drives Sperm motility (D -> II).

6 Unique combination: A-IV, B-III, C-I, D-II -> Option (1)!

7 Solved in under 10 seconds!

🛡️

Why You Can 100% Trust This Shortcut: Gametogenesis & Spermatogenesis vs Oogenesis (NCERT Biology · Human Reproduction).

📐

Step-by-Step Rigorous Workflow & Mathematical Proof

Step 1

Structural Architecture of a Human Sperm

A human sperm is a microscopic structure composed of four distinct anatomical regions enclosed by a plasma membrane:

• Head: Contains an elongated haploid nucleus holding the paternal Genetic material (DNA/chromosomes). Hence, A matches IV.
• Middle piece: Possesses numerous spirally arranged mitochondria (nebenkern) that produce ATP/Energy for the movement of the tail. Hence, B matches III.
• Acrosome: An anterior cap-like structure derived from the Golgi apparatus, filled with hydrolytic Enzymes (hyaluronidase, corona penetrating enzyme, acrosin) that facilitate penetration of the zona pellucida of the ovum. Hence, C matches I.
• Tail: A long flagellum consisting of an axial filament that facilitates vigorous Sperm motility, essential for traveling through the female reproductive tract to reach the ampullary region. Hence, D matches II.

Step 2

Formulation of the Correct Matching Code

Assembling the individual pairings:

• A -> IV (Head - Genetic material)
• B -> III (Middle piece - Energy)
• C -> I (Acrosome - Enzymes)
• D -> II (Tail - Sperm motility)

Step 3

Conclusion

The unambiguous combination is A-IV, B-III, C-I, D-II, corresponding to Option (1).

\text{Code} = \text{A-IV, B-III, C-I, D-II (Option 1)}

⭐

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 A

✓ 100% Correct

Verdict & Scientific Reason:

100% correct. Matches all four functional anatomical regions of the sperm with textbook accuracy.

💡

Why this is airtight: None; pristine knowledge of sperm histology.

2 B

✗ Incorrect

Verdict & Scientific Reason:

Incorrect. Swaps acrosome with tail (acrosome does not provide motility; tail contains no enzymes).

⚠️

Student Fallacy (Why candidates pick this trap): Careless reading of C and D.

3 C

✗ Incorrect

Verdict & Scientific Reason:

Incorrect. Assigns energy to the head and genetic material to the middle piece.

⚠️

Student Fallacy (Why candidates pick this trap): Confusing head nucleus with middle piece mitochondria.

4 D

✗ Incorrect

Verdict & Scientific Reason:

Incorrect. Scrambles energy, motility, and genetic material.

⚠️

Student Fallacy (Why candidates pick this trap): Random choice without verifying pairings.

⚠️

NTA Trap Alert: Swapping Acrosome with Head Contents

Students sometimes confuse the head generally (which carries genetic material) with the acrosome specifically (the cap containing digestive enzymes). Middle piece always houses mitochondria for energy.

🛡️ How to avoid the -1 mark: Head = DNA (Genetic); Acrosome = Enzymes; Middle piece = Mitochondria (Energy); Tail = Motility.

📖

Core NEET Syllabus Standard

NEET Biology Core Syllabus · Human Reproduction Standard Benchmark

Core Scientific Principle Tested:

"The sperm head contains genetic material, the acrosome contains enzymes for fertilization, the middle piece generates energy, and the tail provides motility."

Syllabus Focus: Gametogenesis · Microscopic Structure of Sperm

✓ Core NEET UG Syllabus Anchor Syllabus & Academic Standards ↗

H-G, M-E, A-Enz, T-M: Head=Gene, Mid=Energy, Acrosome=Enzyme, Tail=Motility!

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NEET 2025 Botany Question 110 Solution

Question

The 30-Second Exam Hall Shortcut: ⚡ Sperm Anatomy Match Fingerprint

Step-by-Step Rigorous Workflow & Mathematical Proof

Structural Architecture of a Human Sperm

Formulation of the Correct Matching Code

Conclusion

360° Option Elimination Engine Key Feature

NTA Trap Alert: Swapping Acrosome with Head Contents

Core NEET Syllabus Standard

Ready to attempt under real exam pressure?

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