Class 11 Biology — Chapter 13: PLANT GROWTH AND DEVELOPMENT
Free AI tutor + NCERT notes for Chapter 13: PLANT GROWTH AND DEVELOPMENT. 6 topics covered. Ask any question by voice or text in Hindi or English.
What you'll learn
- ▸Characteristics of Plant Growth
- ▸Primary and Secondary Growth
- ▸Phases of Growth
- ▸Measurement of Growth
- ▸Growth Rates: Arithmetic Growth
- ▸Plant Development Concepts
Chapter Summary
--- PAGE 1 --- 166 BIOLOGY 11080CH13 CHAPTER 13 PLANT GROWTH AND DEVELOPMENT 13.1 Growth 13.2 Differentiation, Dedifferentiation and Redifferentiation 13.3 Development 13.4 Plant Growth Regulators You have already studied the organisation of a flowering plant in Chapter 5. Have you ever thought about where and how the structures like roots, stems, leaves, flowers, fruits and seeds arise and that too in an orderly sequence? You are, by now, aware of the terms seed, seedling, plantlet, mature plant. You have also seen that trees continue to increase in height or girth over a period of time. However, the leaves, flowers and fruits of the same tree not only have limited dimensions but also appear and fall periodically and some time repeatedly. Why does vegetativ…
Practice Questions from this Chapter
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- Explore plant growth without soil. Get Solution →
- Define "indeterminate growth" simply. Get Solution →
- Illustrate meristematic cell division. Get Solution →
- According to the text, how is growth fundamentally defined? Get Solution →
- What is the term for the unique form of plant growth where new cells are always being added by meristem activity? Get Solution →
- Which meristems are responsible for the primary growth of plants, contributing to their elongation? Get Solution →
- The increase in the girth of organs in dicotyledonous plants and gymnosperms is known as what? Get Solution →
- What are the three distinct phases of growth described in the chapter? Get Solution →
Did you know?
- 💡 A bamboo plant can grow over three feet in just 24 hours.
- 💡 The oldest living tree is over 5,000 years old and still slowly growing.
- 💡 Some plants 'eat' insects to get extra nutrients from their bodies.
- 💡 The world's largest seed is from a palm and weighs more than 40 pounds.
- 💡 Air plants grow without soil, getting all water and food from the air.
Frequently Asked Questions
How many topics are covered in this chapter?
This chapter covers 6 key topics: Characteristics of Plant Growth, Primary and Secondary Growth, Phases of Growth, Measurement of Growth, Growth Rates: Arithmetic Growth, and more. The BrainWeave AI tutor explains each one with examples.
Is Chapter 13: PLANT GROWTH AND DEVELOPMENT important for board exams?
Class 11 is a foundation year. Mastering this chapter now will help you build strong fundamentals for the higher classes.
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