1. Class 10
  2. Chapter 7 Class 10 - Control and Coordination
  3. Concepts
Check sibling questions

Control and Coordination in Plants

Last updated at Dec. 13, 2024 by Teachoo

Control and Coordination in plants

Have you seen the Touch-Me-Not plant ( Mimosa pudica ) ?

How does it behave when touched ?

Th e leaves curl away and droop.

This is how the Touch-Me-Not plant responds to touch .

Think about a seed germinating , 

  • Roots grow in the downward direction  
  • Shoot containing stem, leaves, flowers etc. grow in the upward direction .

This is another kind of response displayed by plants.

Observe the two kinds of responses;

We know plants do not have nervous systems or muscles for movement. So what causes these responses to stimuli in plants? 

 

Transcript

TOUCH-ME-NOT RESPONSE TO STIMULI Normal Light Touch Hard Touch RESPONSE TO STIMULI RELATED TO GROWTH Shoot Root RESPONSE IN PLANTS Leaves of Touch - Me – Not Plant drooping on touching Root and shoot growing downward and upward respectively Not related to growth Related to growth
  1. Class 10
  2. Chapter 7 Class 10 - Control and Coordination

    3. Concepts

    NCERT Questions →
NCERT Questions →
Class 10
Chapter 7 Class 10 - Control and Coordination

About the Author

Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo