Q.129 Botany ⭐ 360° Option Elimination Active

NEET 2021 Botany Question 129 Solution

Topic: Strategies for Enhancement in Food Production · Official NTA Booklet Code M1

Question

Match List - I with List - II. (a) Protoplast fusion (i) Totipotency (b) Plant tissue culture (ii) Pomato (c) Meristem culture (iii) Somaclones (d) Micropropagation (iv) Virus free plants List - II List - I Choose the correct answer from the options given below. (a) (b) (c) (d)

(1)(iii) (iv) (ii) (i)
(2)(ii) (i) (iv) (iii)
(3)(iii) (iv) (i) (ii)
(4)(iv) (iii) (ii) (i)

✓

Verified Against NTA Final Answer Key

Option (2) : (a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)

📚 Strategies for Enhancement in Food Production Easy

📋 Given Parameters & Problem Setup

List I (a) Protoplast fusion, (b) Plant tissue culture, (c) Meristem culture, (d) Micropropagation

List II (i) Totipotency, (ii) Pomato, (iii) Somaclones, (iv) Virus free plants

⚡

The 30-Second Exam Hall Shortcut: ⚡ Fast Pairing: Protoplast Fusion = Pomato (a-ii) & Meristem = Virus Free (c-iv)

⏱️ Save ~20 seconds

Protoplast fusion produced somatic hybrid Pomato (a-ii); Plant tissue culture relies on cellular Totipotency (b-i); Shoot apical Meristem culture produces Virus-free plants (c-iv); Micropropagation produces genetically identical Somaclones (d-iii). Matches Option (2)!

1 Protoplast fusion: Somatic hybridization of tomato + potato

\implies

Pomato (a)-(ii).

2 Plant tissue culture: Capacity to generate a whole plant from an explant is Totipotency

\implies

(b)-(i).

3 Meristem culture: Shoot apical meristem is free of virus, yielding Virus-free plants

\implies

(c)-(iv).

4 Micropropagation: Rapid clonal propagation yielding genetically identical Somaclones

\implies

(d)-(iii).

5 Match Option (2).

🛡️

Why You Can 100% Trust This Shortcut: Canonical NCERT Plant Tissue Culture definitions and applications.

📐

Step-by-Step Rigorous Workflow & Mathematical Proof

Step 1

Biological Principles in Tissue Culture Matching

Analyzing the specific scientific correspondence for each biotechnology technique:

\begin{aligned} \text{(a) Protoplast fusion} & \longleftrightarrow \text{(ii) Somatic hybridization yielding Pomato (Solanum lycopersicum + S. tuberosum)} \\[3pt] \text{(b) Plant tissue culture} & \longleftrightarrow \text{(i) Fundamental cellular property: Totipotency} \\[3pt] \text{(c) Meristem culture} & \longleftrightarrow \text{(iv) Production of healthy, Virus-free plants from infected stock} \\[3pt] \text{(d) Micropropagation} & \longleftrightarrow \text{(iii) Large-scale production of genetically identical Somaclones} \end{aligned}

Step 2

Option Elimination Check

Matching (a)-(ii) immediately eliminates Options (1), (3), and (4). Cross-checking (b)-(i), (c)-(iv), and (d)-(iii) confirms Option (2) is completely and uniquely correct.

⭐

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 Protoplast fusion with somaclones and Meristem culture with pomato.

⚠️

Student Fallacy (Why candidates pick this trap): Gross misalignment of tissue culture concepts.

2 2

✓ 100% Correct

Verdict & Scientific Reason:

Every pair matches the exact NCERT application definitions of plant tissue culture.

💡

Why this is airtight: None. Accurate pairing.

3 3

✗ Incorrect

Verdict & Scientific Reason:

Mismatches Micropropagation with pomato and Tissue culture with virus-free plants.

⚠️

Student Fallacy (Why candidates pick this trap): Confusing micropropagation with protoplast fusion.

4 4

✗ Incorrect

Verdict & Scientific Reason:

Mismatches Protoplast fusion with virus-free plants.

⚠️

Student Fallacy (Why candidates pick this trap): Conflating somatic hybridization with apical meristem culture.

⚠️

NTA Trap Alert: Somaclones vs Totipotency Pairing Slip

Both totipotency and somaclones are central to plant tissue culture. Remember: Totipotency is the inherent cellular capacity; Somaclones are the resultant identical offspring of micropropagation.

🛡️ How to avoid the -1 mark: Meristem = Virus-free (always tested); Protoplasts = Pomato.

📖

Core NEET Syllabus Standard

NEET / NCERT Biology · Strategies for Enhancement in Food Production Standard Benchmark

Core Scientific Principle Tested:

"Protoplasts can be fused to produce somatic hybrids (pomato); totipotency underlies tissue culture; meristems give virus-free plants; micropropagation produces somaclones."

Syllabus Focus: Tissue Culture: Totipotency, Micropropagation, Somatic Hybridization

✓ Core NEET UG Syllabus Anchor Syllabus & Academic Standards ↗

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NEET 2021 Botany Question 129 Solution

Question

The 30-Second Exam Hall Shortcut: ⚡ Fast Pairing: Protoplast Fusion = Pomato (a-ii) & Meristem = Virus Free (c-iv)

Step-by-Step Rigorous Workflow & Mathematical Proof

Biological Principles in Tissue Culture Matching

Option Elimination Check

360° Option Elimination Engine Key Feature

NTA Trap Alert: Somaclones vs Totipotency Pairing Slip

Core NEET Syllabus Standard

Ready to attempt under real exam pressure?

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