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Plant Growth and Development NEET Notes 2025 PDF Download

Plant Growth and Development NEET Notes, Get detailed Plant Growth and Development NEET Notes with explanations, PDFs, and free YouTube lectures. Learn concepts and weightage.
authorImageSoumya Tiwari12 Mar, 2025
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Plant Growth and Development NEET Notes

Plant Growth and Development NEET Notes: Plant Growth and Development NEET Notes cover an important chapter in biology that explains how plants grow and develop over time. It includes key concepts like phases of growth, plant hormones, differentiation, dedifferentiation, and photoperiodism. This topic is crucial for NEET 2025 Exam as it frequently appears in the exam, making it essential for scoring well. A clear understanding of these concepts helps in answering direct and application-based questions related to plant physiology.

Plant Growth and Development NEET Notes Overview

Plant Growth and Development NEET Notes explains how plants grow and the factors that influence their growth. It includes topics such as meristematic activity, cell division, elongation, and maturation. The role of plant hormones like auxins, gibberellins, cytokinins, abscisic acid, and ethylene is also covered in detail. Understanding these concepts helps students relate them to plant responses, adaptations, and agricultural applications, which are commonly tested in NEET.

Plant Growth and Development NEET Notes PDF

PhysicsWallah provides a complete Plant Growth and Development NEET Notes PDF under the Prachand Batch for NEET 2025. This PDF includes detailed explanations, diagrams, and step-by-step coverage of all concepts related to plant growth. 

Download the PDF of Plant Growth and Development NEET Notes

Along with the PDF, students can watch free YouTube lectures, where each concept is explained with diagrams and real-life examples. These lectures also include doubt-solving sessions and question-solving exercises to strengthen the understanding of this chapter.

What is Plant Growth and Development?

Plant growth refers to an irreversible increase in size and volume, while development includes all changes that occur in a plant from germination to maturity. Growth occurs in phases—cell division, cell elongation, and cell differentiation. It is influenced by internal factors like hormones and external factors like light, temperature, water, and nutrients.

Weightage of Plant Growth and Development NEET Notes - Last 5 Years 

The table below shows the weightage of Plant Growth and Development NEET Notes based on NEET exams from 2020 to 2024:

Weightage Following Previous Year’s Trends (2020-2024)

Chapter

Easy

Medium

Hard

Total

Average Q/yr

Weightage

Plant Growth and Development

13

2

1

16

3.20

6.23%

 

NEET Chapter Wise Weightage 2025 for Biology

Topics

Weightage (%)

Plant Growth and Development

6%

Importance of Plant Growth and Development NEET Notes

The Plant Growth and Development NEET Notes help students understand how plants grow and function, which is an essential part of plant physiology in NEET. This chapter also forms the foundation for advanced topics like photosynthesis and plant metabolism.

  • The chapter explains growth phases and plant hormones, which are commonly asked in NEET.

  • It helps in understanding real-life applications like seed germination, flowering, and agricultural practices.

  • Studying plant growth patterns aids in solving conceptual and diagram-based questions in exams.

Tips for Plant Growth and Development NEET Notes

To prepare well for this chapter, focus on understanding the mechanisms of plant hormones and how they regulate growth. Revise concepts regularly and solve previous years’ NEET questions related to plant growth.

  • Focus on plant hormones like auxins, gibberellins, cytokinins, and their functions.

  • Memorize key terms such as photoperiodism, vernalization, and differentiation.

  • Solve past NEET questions to get familiar with frequently asked patterns.

Prepare for NEET with PW Online NEET Coaching! Our courses offer structured lessons, clear explanations of concepts, and interactive classes to support your NEET preparation effectively.

NEET Exam Important Links
NEET Previous Years Question Papers NEET Physics Syllabus
NEET Study Material NEET Chemistry Syllabus
NEET Biology Syllabus NEET Sample papers
NEET Exam Pattern NEET Biology MCQ
NEET Biology Notes NEET Physics Notes
NEET Chemistry Notes NEET Eligibility Criteria
NEET Physics MCQs Biology Diagrams for NEET

Plant Growth and Development NEET Notes FAQs

What is plant development and growth?

Plant growth is the increase in size and volume, while development includes all structural and functional changes in a plant's life cycle.

What are the 5 stages of plant growth in order?

The five stages of plant growth are seed germination, seedling growth, vegetative phase, flowering, and fruiting.

Who discovered auxin?

Auxin was discovered by Charles Darwin and later identified as indole-3-acetic acid (IAA).

What factors affect plant growth?

Plant growth is influenced by internal factors like hormones and external factors like light, temperature, water, and nutrients.

Why are plant hormones important?

Plant hormones regulate various growth processes such as cell division, elongation, flowering, and stress responses.
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