Extra topics/questions in old NCERT chapter-21 as compared to reduced 2023-2024 syllabus are mentioned below.

  • 21.5 Reflex Action and Reflex Arc
  • 21.6 Sensory Reception and Processing
  • 21.6.1 Eye
  • 21.6.1.1 Parts of an Eye
  • 21.6.1.2 Mechanism of Vision
  • 21.6.2 The Ear
  • 21.6.2.1 Mechanism of Hearing
  • Summary (para 3 and 4) Question no.s 1 (b, c), 2 (c), 4 (c, d), 5 (e, f, g, h), 6 (b, c), 7, 8 (b, c), 9 (c), 10 (a), 11, 12 (c, d)

Ch-21 Neural control and coordination

Extra topics/questions in old NCERT chapter-22 as compared to reduced 2023-2024 syllabus are mentioned below.

All topics/questions are same in both old and new NCERT syllabus for chapter-22 Chemical coordination and integration.

Ch-22 Chemical coordination and integration

To download new NCERT revised 2023-2024 Biology class 11 book chapters (with reduced syllabus) click on the button below.

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