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Q.165 Zoology ⭐ 360° Option Elimination Active
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NEET 2024 Zoology Question 165 Solution

Topic: Animal Kingdom · Official NTA Booklet Code T1
NEET 2024 Zoology Question 165: Scientific and Common Names of Chondrichthyes and Osteichthyes

Question

Match List I with List II. List I: A. Pterophyllum; B. Myxine; C. Pristis; D. Exocoetus. List II: I. Hag fish; II. Saw fish; III. Angel fish; IV. Flying fish. Choose the correct answer from the options given below:

✓
Verified Against NTA Final Answer Key
Option (4) : A-III, B-I, C-II, D-IV
📚 Animal Kingdom Easy
📋 Given Parameters & Problem Setup
List I (Scientific Names) A: Pterophyllum; B: Myxine; C: Pristis; D: Exocoetus
List II (Common Names) I: Hag fish; II: Saw fish; III: Angel fish; IV: Flying fish
⚡

The 30-Second Exam Hall Shortcut: ⚡ Ichthyology Common Names Lock

⏱️ Save ~25 seconds

Pterophyllum = Angel fish (III); Myxine = Hagfish (I); Pristis = Sawfish (II); Exocoetus = Flying fish (IV)! Match: A-III, B-I, C-II, D-IV!

1 A. Pterophyllum: Aquarium bony fish -> Angel fish (III).
2 B. Myxine: Cyclostome -> Hag fish (I).
3 C. Pristis: Cartilaginous fish (Chondrichthyes) -> Saw fish (II).
4 D. Exocoetus: Marine bony fish -> Flying fish (IV).
5 Order: A-III, B-I, C-II, D-IV -> Option (4) / D.
🛡️
Why You Can 100% Trust This Shortcut: NCERT Biology · Animal Kingdom (Cyclostomata, Chondrichthyes, and Osteichthyes)
📐

Step-by-Step Rigorous Workflow & Mathematical Proof

Step 1

Match Cyclostome and Chondrichthyes

Myxine is a jawless marine cyclostome commonly known as the hagfish (B -> I). Pristis possesses a prolonged snout with lateral teeth, belonging to Chondrichthyes, commonly known as sawfish (C -> II).

Step 2

Match Osteichthyes (Bony Fishes)

Exocoetus is a marine bony fish with large pectoral fins, commonly called the flying fish (D -> IV). Pterophyllum is a popular freshwater ornamental aquarium fish known as angel fish (A -> III).

Step 3

Select Resulting Combination

A-III, B-I, C-II, D-IV matches 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:

Mismatches Pterophyllum with Flying fish and Exocoetus with Angel fish.

⚠️
Student Fallacy (Why candidates pick this trap): Mismatches Pterophyllum with Flying fish and Exocoetus with Angel fish.
2 (2)
✗ Incorrect
Verdict & Scientific Reason:

Mismatches Myxine with Saw fish.

⚠️
Student Fallacy (Why candidates pick this trap): Mismatches Myxine with Saw fish.
3 (3)
✗ Incorrect
Verdict & Scientific Reason:

Mismatches Pterophyllum with Saw fish.

⚠️
Student Fallacy (Why candidates pick this trap): Mismatches Pterophyllum with Saw fish.
4 (4)
✓ 100% Correct
Verdict & Scientific Reason:

Accurately pairs all four genera with their standardized common names.

💡
Why this is airtight: None.
⚠️

NTA Trap Alert: Pterophyllum vs Betta

Confusing Pterophyllum (Angel fish) with Betta (Fighting fish).

🛡️ How to avoid the -1 mark: Remember: Betta = Fighting fish; Pterophyllum = Angel fish.
📖

Core NEET Syllabus Standard

Biology Core Zoology · Animal Kingdom Standard Benchmark
Core Scientific Principle Tested:

"Cyclostomata: Petromyzon (Lamprey) and Myxine (Hagfish). Chondrichthyes: Pristis (Saw fish). Osteichthyes: Marine - Exocoetus (Flying fish); Aquarium - Betta (Fighting fish), Pterophyllum (Angel fish)."

Syllabus Focus: Scientific and Common Names of Chondrichthyes and Osteichthyes
✓ Core NEET UG Syllabus Anchor Syllabus & Academic Standards ↗

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