Q.155 Zoology ⭐ 360° Option Elimination Active

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NEET 2026 Zoology Question 155 Solution

Topic: Sexual Reproduction in Flowering Plants · Official NTA Booklet Code 50

Question

Which of the following plant produces non-albuminous seeds?

(1)Wheat
(2)Maize
(3)Barley
(4)Pea

✓

Verified Against NTA Final Answer Key

Option (4) : Pea

📚 Sexual Reproduction in Flowering Plants Easy

📋 Given Parameters & Problem Setup

Classification Criterion Presence or absence of residual endosperm in mature seed

Category Non-albuminous (Exalbuminous) Seed

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The 30-Second Exam Hall Shortcut: ⚡ NCERT Seed Dichotomy Rule

⏱️ Save ~25 seconds

Non-albuminous (Exalbuminous) = Pea, Groundnut, Beans (Legumes)!

1 Recall definition: Non-albuminous seeds have no residual endosperm as it is completely consumed during embryo development.

2 NCERT canonical examples of non-albuminous seeds: Pea, Groundnut, Beans.

3 Albuminous seeds retain endosperm: Castor, Wheat, Maize, Barley, Sunflower.

4 Scan options: Castor (Albuminous), Maize (Albuminous), Wheat (Albuminous), Pea (Non-albuminous).

5 Instantly choose Option (4): Pea.

🛡️

Why You Can 100% Trust This Shortcut: NCERT Biology · Sexual Reproduction in Flowering Plants (Endosperm Development: Free-nuclear endosperm before cellularization).

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Step-by-Step Rigorous Workflow & Mathematical Proof

Step 1

Definition of Non-Albuminous (Exalbuminous) Seeds

Non-albuminous seeds have no residual endosperm as it is completely consumed during embryo development (e.g., pea, groundnut, beans). Food reserves are stored in swollen, fleshy cotyledons.

\text{Endosperm Consumed Completely} \implies \text{Non-albuminous (Exalbuminous)} \quad (\text{Pea, Groundnut})

• Cotyledons store nutrients for the future germinating seedling.

Step 2

Definition of Albuminous (Endospermic) Seeds

Albuminous seeds retain a part of endosperm as it is not completely used up during embryo development (e.g., wheat, maize, barley, castor, sunflower).

\text{Residual Endosperm Persists} \implies \text{Albuminous} \quad (\text{Castor, Maize, Wheat})

• Castor is a dicot but albuminous; maize and wheat are monocots and albuminous.

⭐

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

✗ Incorrect

Verdict & Scientific Reason:

Incorrect. Castor is an albuminous (endospermic) seed; it retains a prominent nutritive endosperm despite being a dicot.

⚠️

Student Fallacy (Why candidates pick this trap): Assuming all dicots are non-albuminous, forgetting that castor is a classic albuminous dicot.

2 B

✗ Incorrect

Verdict & Scientific Reason:

Incorrect. Maize is a monocotyledonous albuminous seed with a large starchy endosperm separated by an aleurone layer.

⚠️

Student Fallacy (Why candidates pick this trap): Overlooking that cereal grains are rich in persistent endosperm.

3 C

✗ Incorrect

Verdict & Scientific Reason:

Incorrect. Wheat seeds are albuminous caryopses with prominent starchy endosperm.

⚠️

Student Fallacy (Why candidates pick this trap): Failing to categorize cereal grains as albuminous.

4 D

✓ 100% Correct

Verdict & Scientific Reason:

100% correct. Pea seeds consume their endosperm completely during embryogenesis, storing reserves in cotyledons (non-albuminous).

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Why this is airtight: None; textbook exemplar.

⚠️

NTA Trap Alert: Castor Dicot Exception Trap

Many students memorize "monocots = albuminous, dicots = non-albuminous". Castor is a dicot, but it is ALBUMINOUS. Pea is the true non-albuminous seed here.

🛡️ How to avoid the -1 mark: Memorize the NCERT non-albuminous triad: Pea, Groundnut, Gram/Bean (PG-B).

📖

Core NEET Syllabus Standard

NEET Biology Core Syllabus · Sexual Reproduction in Flowering Plants Standard Benchmark

Core Scientific Principle Tested:

"Non-albuminous seeds have no residual endosperm as it is completely consumed during embryo development (e.g., pea, groundnut)."

Syllabus Focus: Seed Development & Structure

✓ Core NEET UG Syllabus Anchor Syllabus & Academic Standards ↗

No Albumen in Pea-Pods: Peas Eat All their endosperm!

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NEET 2026 Zoology Question 155 Solution

Question

The 30-Second Exam Hall Shortcut: ⚡ NCERT Seed Dichotomy Rule

Step-by-Step Rigorous Workflow & Mathematical Proof

Definition of Non-Albuminous (Exalbuminous) Seeds

Definition of Albuminous (Endospermic) Seeds

360° Option Elimination Engine Key Feature

NTA Trap Alert: Castor Dicot Exception Trap

Core NEET Syllabus Standard

Ready to attempt under real exam pressure?

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