Browse by resource type
Open worksheets, question banks, test papers and notes tagged to Plant Growth and Development.
Related collections
Browse full Biology resource hubs across all chapters.
Practice Questions
Explore MCQs, HOTS questions, case studies, assertion-reason and other practice material for Plant Growth and Development.
Most downloaded
Top Plant Growth and Development PDFs students download most often.
Recently added
New Class 11 Plant Growth and Development material on Ribblu.
All Plant Growth and Development resources
11 PDFs
No resources on this page match your filter.
More Class 11 Biology chapters
Explore chapter-wise PDFs for other units in the syllabus.
About Plant Growth and Development
This CBSE Class 11 Biology chapter explains the fundamental processes of Plant Growth and Development. It details how cells undergo differentiation, dedifferentiation, and redifferentiation, highlighting the plasticity of plant tissues. The text explains the kinetics of plant growth across distinct developmental phases. Students learn about the crucial roles of plant growth regulators in coordinating physiological activities. Additionally, it covers photoperiodism, showing how light duration controls flowering.
These concepts are vital for improving agricultural practices, such as optimizing crop yields through hormone application and managing flowering in horticulture. The principles of growth regulation also aid in weed control and fruit preservation. For board exams and NEET, questions frequently test the mechanisms of vernalization, phytohormone functions, and conditions affecting development. Mastering these topics ensures a strong foundation for academic assessments and practical applications in botany.
Topics covered
Key concepts in Plant Growth and Development for Class 11 Biology.
- Cellular Differentiation, Dedifferentiation, Redifferentiation and Tissue Plasticity
- Photoperiodism: Critical Day Length Classification in Flowering responses
- Plant Growth Kinetics: Phases, Arithmetic vs Geometric Rates and Conditions of Growth
- Plant Growth Regulators (PGRs): Cytokinins, Ethylene and Abscisic Acid (ABA) Applications
- Plant Growth Regulators (PGRs): Discovery, Roles and Physiology of Auxins and Gibberellins
Chapter information
| Class | Class 11 |
|---|---|
| Subject | Biology |
| Chapter | Plant Growth and Development |
| Total resources | 11 PDFs |
| Question Bank | 7 PDFs |
| Revision Notes | 4 PDFs |