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NCERT Solutions for Class 10th Science


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Chapter 7. Control and Coordination

Chapter Review




Chapter Review:

  • Control and coordination are the functions of the nervous system and hormones in our bodies.
  • Writing, talking, moving a chair, clapping at the end of a programme are examples of voluntary actions
  • The brain has three such major parts or regions, namely the fore-brain, mid-brain and hind-brain.
  • The fore-brain is the main thinking part of the brain. It has regions
    which receive sensory impulses from various receptors.
  • Many of these involuntary actions are controlled by the mid-brain and hind-brain. All these involuntary actions including blood pressure, salivation and vomiting are controlled by the medulla in the hind-brain.
  • When growing plants detect light, a hormone called auxin.
  • Gibberellins is plant hormones which help in the growth of the stem.
  • Cytokinins is plant hormones  which promote cell division.
  • Abscisic acid is plant hormones which inhibits growth. Its effects include wilting of leaves. 
  • Chemical coordination is seen in both plants and animals.


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