Q.185 Zoology ⭐ 360° Option Elimination Active

NEET 2023 Zoology Question 185 Solution

Topic: Digestion and Absorption · Official NTA Booklet Code G5

Question

Match List I (Cells) with List II (Secretion). List I: A. Peptic cells; B. Goblet cells; C. Oxyntic cells; D. Hepatic cells. List II: I. Mucus; II. Bile juice; III. Proenzyme pepsinogen; IV. HCl and intrinsic factor for absorption of vitamin B₁₂. Choose the correct answer from the options given below:

✓

Verified Against NTA Final Answer Key

Option (4) : A-III, B-I, C-IV, D-II

📚 Digestion and Absorption Easy

📋 Given Parameters & Problem Setup

List I (Cells) Peptic cells, Goblet cells, Oxyntic cells, Hepatic cells

List II (Secretions) Mucus, Bile juice, Proenzyme pepsinogen, HCl and intrinsic factor for vitamin B12

⚡

The 30-Second Exam Hall Shortcut: ⚡ Gastrointestinal Secretory Cell Matcher

⏱️ Save ~25 seconds

Match textbook cell types: Peptic/Chief cells = Proenzyme pepsinogen (III). Goblet cells = Mucus (I). Oxyntic/Parietal cells = HCl & Intrinsic factor (IV). Hepatic cells = Bile juice (II)! Match Option (4)!

1 Peptic / Chief cells: Secrete the proenzyme pepsinogen -> A-III.

2 Goblet cells: Secrete lubricating protective mucus -> B-I.

3 Oxyntic / Parietal cells: Secrete HCl and Castle's intrinsic factor (essential for absorption of vitamin B12) -> C-IV.

4 Hepatic cells (hepatocytes): Secrete bile juice into bile canaliculi -> D-II.

5 Match combination: A-III, B-I, C-IV, D-II -> Option (4).

🛡️

Why You Can 100% Trust This Shortcut: Canonical NCERT Digestion and Absorption gastric and hepatic histology inventory.

📐

Step-by-Step Rigorous Workflow & Mathematical Proof

Step 1

Histological Classification of Gastric and Hepatic Cells

Analyzing the specific secretions produced by gastric gland cell types and liver hepatocytes:

\begin{aligned} \text{\textbf{A. Peptic (Chief) cells:}} & \quad \text{Proenzyme } \mathbf{\text{pepsinogen}} \implies \mathbf{\text{III}} \\[4pt] \text{\textbf{B. Goblet cells:}} & \quad \mathbf{\text{Mucus}} \text{ (protects mucosa from excoriation)} \implies \mathbf{\text{I}} \\[4pt] \text{\textbf{C. Oxyntic (Parietal) cells:}} & \quad \mathbf{\text{HCl and intrinsic factor for vitamin B}_{12}} \implies \mathbf{\text{IV}} \\[4pt] \text{\textbf{D. Hepatic cells:}} & \quad \mathbf{\text{Bile juice}} \text{ (stored in gall bladder)} \implies \mathbf{\text{II}} \end{aligned}

Step 2

Verbatim NCERT References

NCERT states under Stomach & Liver Histology: - "The mucosa of stomach has gastric glands. Gastric glands have three major types of cells namely: (i) mucus neck cells which secrete mucus; (ii) peptic or chief cells which secrete the proenzyme pepsinogen; (iii) parietal or oxyntic cells which secrete HCl and intrinsic factor (factor essential for absorption of vitamin B12)." - "The hepatic cells secrete bile which passes through the hepatic ducts and is stored and concentrated in... the gall bladder."

Step 3

Option Elimination

Matching A-III and B-I immediately isolates Option (4) uniquely, as all other options assign incorrect pairings to A or B.

⭐

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 Peptic cells with bile juice and Goblet cells with HCl.

⚠️

Student Fallacy (Why candidates pick this trap): Swapping hepatic and gastric cell roles.

2 2

✗ Incorrect

Verdict & Scientific Reason:

Mismatches Peptic cells with HCl and Oxyntic cells with bile.

⚠️

Student Fallacy (Why candidates pick this trap): Confusing peptic cells with oxyntic cells.

3 3

✗ Incorrect

Verdict & Scientific Reason:

Mismatches Peptic cells with bile juice and Hepatic cells with HCl.

⚠️

Student Fallacy (Why candidates pick this trap): Assigning liver bile production to the stomach peptic cells.

4 4

✓ 100% Correct

Verdict & Scientific Reason:

Flawless 1-to-1 match with canonical NCERT digestive secretory cytology.

💡

Why this is airtight: None; textbook verbatim match.

⚠️

NTA Trap Alert: Peptic vs. Oxyntic Synonyms Confusion

Students frequently mix up the dual names: Peptic = Chief cells (pepsinogen). Oxyntic = Parietal cells (HCl + Intrinsic factor).

🛡️ How to avoid the -1 mark: Remember: Peptic = Pepsinogen. Oxyntic = Acid (HCl) + Castle's Intrinsic Factor.

📖

Core NEET Syllabus Standard

NCERT Biology · Digestion and Absorption Standard Benchmark

Core Scientific Principle Tested:

"Peptic cells secrete pepsinogen; Goblet cells secrete mucus; Oxyntic cells secrete HCl and intrinsic factor; Hepatic cells secrete bile."

Syllabus Focus: Digestive Glands

✓ Core NEET UG Syllabus Anchor Syllabus & Academic Standards ↗

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NEET 2023 Zoology Question 185 Solution

Question

The 30-Second Exam Hall Shortcut: ⚡ Gastrointestinal Secretory Cell Matcher

Step-by-Step Rigorous Workflow & Mathematical Proof

Histological Classification of Gastric and Hepatic Cells

Verbatim NCERT References

Option Elimination

360° Option Elimination Engine Key Feature

NTA Trap Alert: Peptic vs. Oxyntic Synonyms Confusion

Core NEET Syllabus Standard

Ready to attempt under real exam pressure?

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