The Question is from neet-botany plant-growth-and-development development, and it was created by the author Mr. NARESH KUMAR K

Question

During embryonic development, the formation of the three germ layers (ectoderm, mesoderm, and endoderm) is known as:

Mr. NARESH KUMAR K · Accepted Answer

## CORE INFORMATION
✓ **Answer**: [D]
## CONCEPT FRAMEWORK
	**Primary Concept**: Gastrulation
	**Related Topics**: Embryonic development, germ layers, cleavage, organogenesis, neurulation
	**Prerequisites**: Understanding of embryology and stages of development
## SOLUTION PATHWAY
**Given Information**:
		The process involves the formation of three primary germ layers during embryonic development.
		Key stages of development: cleavage, gastrulation, organogenesis, and neurulation.
**Method & Steps**:
	1. Identify the process that leads to the formation of germ layers.
		Reasoning: Gastrulation is the key phase where the three germ layers are formed from the single-layered blastula.
		Formula/Rule: No specific formula; it’s a developmental process.
	2. Distinguish between other developmental stages.
		Working: Cleavage is the division of cells without growth, organogenesis is the formation of organs, and neurulation is the development of the nervous system.
		Key Point: Only gastrulation focuses on germ layer formation.
	3. Conclude that the correct answer is related to the defined stages.
		Result: The correct answer is gastrulation, as it is the only phase that forms the ectoderm, mesoderm, and endoderm.
		Verification: Cross-reference with embryology texts to confirm gastrulation’s role in germ layer formation.
## OPTION ANALYSIS
[A] :x: Cleavage does not involve the formation of germ layers; it refers to cell division.
[B] :x: Organogenesis occurs after gastrulation and involves the formation of organs, not germ layers.
[C] :x: Neurulation is the process of forming the nervous system and follows gastrulation.
[D] ✓: Gastrulation is the correct answer as it specifically refers to the formation of the three germ layers.
## LEARNING AIDS
	**Common Mistakes**:
		1. Confusing gastrulation with cleavage: Remember that cleavage is only cell division, while gastrulation involves actual layer formation.
		2. Misunderstanding the sequence of embryonic development stages: Familiarize yourself with the order of processes for clarity.
	**Quick Tips**:
		1. Associate gastrulation with 'germ layers' to easily recall its purpose.
		2. Use mnemonic devices to remember the sequence: Cleavage, Gastrulation, Organogenesis, Neurulation (CGON).

Mr. NARESH KUMAR K · Answer

Cleavage

Mr. NARESH KUMAR K · Answer

Organogenesis

Mr. NARESH KUMAR K · Answer

Neurulation

Mr. NARESH KUMAR K · Answer

The correct Option is "Gastrulation"

NEET Botany Plant Growth and Development Development MCQs

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