Chapter 15 Plant Growth and Development

NCERT Solutions for class 11 Biology Chapter 15 Plant Growth and Development

NCERT Solutions for class 11 Biology Chapter 15 Plant Growth and Development consists of a detailed explanation of all the questions asked in the exercise of Chapter 15 Plant Growth and Development. Questions asked in Chapter 15 Plant Growth and Development are solved and explained with proper images and diagrams. Get the Chapter wise NCERT Solutions for class 11 Biology Prepared by the experts of HT. 

Brief introduction of Chapter 15 Plant Growth and Development

You have already studied the organisation of a flowering plant in Chapter 5. You are, by now, aware of the terms seed, seedling, plantlet, and mature plant. You have also seen that trees continue to increase in height or girth over some time.

Development is the sum of two processes: growth and differentiation. The first step in the process of plant growth is seed germination. The seed germinates when favourable conditions for growth exist in the environment.

In this chapter, we will learn about different factors that govern and controls the growth and development of various plants. These factors include both intrinsic and extrinsic factors.

Intrinsic factors include plant growth regulators or phytohormones such as auxin, cytokinin, gibberellin, ethylene and abscisic acid. We will be learning about various effects and the role of these hormones on plants.

This chapter will also give us an insight into photoperiodism, vernalization, and dormancy.

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