Class 11 · Zoology

Chemical Coordination and Integration

21 topics — from Intro to Hormones & Endocrine Glands: I through Mechanism of Hormone ACtion. Expect about 3 questions in NEET — roughly 12 of 720 marks.

Updated 25 Aug 2026 21 topics Zoology · Class 11
In short

Chemical Coordination and Integration is a Class 11 Zoology chapter covering 21 topics. Expect about 3 questions in NEET — roughly 12 of 720 marks.

21
Topics
In this chapter
3
Expected questions
≈ 12 of 720 marks
11
Class
Zoology
97
Chapters in the syllabus
16 in Zoology

Topics covered #

21 topics, in teaching order.

  1. Intro to Hormones & Endocrine Glands: I
  2. Intro to Hormones & Endocrine Glands: II
  3. Hormones General Consideration
  4. Pituitary & Hypothalamus: I
  5. Adenohyphophysis & Hypothalamus
  6. Human Growth Hormone
  7. Prolactin & Posterior Pituitary
  8. Thyroid Gland Part I
  9. Thyroid Gland Part II
  10. Parathyroid
  11. Adernal Medulla
  12. Adernal Cortex: Aldosterone
  13. Adernal Cortex: Cortisol
  14. Pineal Gland
  15. Thymus
  16. Misc. Hormones
  17. Gastrointestinal Hormones
  18. Gonadotropin & Gonadal Hormones
  19. Pancreas: I
  20. Pancreas: II
  21. Mechanism of Hormone ACtion

Weightage #

Expect about 3 questions in NEET — roughly 12 of 720 marks.

3 of 180 questions · 12 of 720 marks
This chapter's share of the paper. Weightage is indicative — it reflects how many questions have typically come from here, not a guarantee for any single year.

Practise this chapter #

Reading it once is not the same as being able to answer it under time.

Practice questionsChapter-wise MCQs with solutions Video lecturesTopic-by-topic walkthroughs Chapter testExam-format, timed NEET previous-year questionsPast questions from this chapter AIIMS previous-year questionsOlder AIIMS papers, same syllabus

Next in Zoology

← PreviousNeural Control and Coordination

Frequently asked #

How many questions come from Chemical Coordination and Integration in NEET?
About 3 questions — roughly 12 of the 720 marks available. It is a Class 11 Zoology chapter.
What topics does this chapter cover?
21 topics — from Intro to Hormones & Endocrine Glands: I through Mechanism of Hormone ACtion. The full list is above.
Where can I practise Chemical Coordination and Integration?
Chapter-wise MCQs, video lectures, a timed chapter test, and both NEET and AIIMS previous-year questions — all linked above.