Looking for the Chemical Coordination and Integration PYQ PDF for NEET preparation? You’re in the right place.
This chapter is one of the most important units in human physiology and frequently contributes direct NCERT-based questions in NEET. To help you prepare efficiently, we have compiled a chapter-wise Previous Year Questions (PYQ) PDF covering NEET questions from 2006 to 2025, along with quick revision notes and marked answers.
Chemical Coordination and Integration PYQ PDF Details
| Detail | Information |
|---|---|
| Chapter | Chemical Coordination and Integration |
| Exam | NEET |
| Coverage | 2006–2025 |
| Type | Chapter-wise PYQ |
| Solutions | Included |
| Format | |
| Subject | Biology |
Chemical Coordination and Integration PYQ PDF
Download NowWhy Is Chemical Coordination and Integration Important for NEET?
Chemical Coordination and Integration deals with the human endocrine system, hormones, hormone action, endocrine glands, and hormonal disorders.
Since NEET is heavily NCERT-oriented, questions are frequently asked from:
- Pituitary gland hormones
- Thyroid and parathyroid glands
- Pancreatic hormones
- Adrenal gland hormones
- Gonadal hormones
- Hormone action mechanism
- Endocrine disorders
- Feedback regulation
A strong understanding of these topics can help you score easy marks in NEET Biology.
What Does This PDF Contain?
The PDF begins with concise revision notes covering major endocrine glands and their hormones before moving into actual NEET previous-year questions.
| Topics Covered | Important Topics |
|---|---|
| Hypothalamus | Releasing hormones |
| Inhibiting hormones | |
| Oxytocin | |
| Vasopressin | |
| Pituitary Gland | Growth Hormone (GH) |
| Prolactin | |
| ACTH | |
| TSH | |
| LH | |
| Pituitary Gland | MSH |
| FSH | |
| Thyroid Gland | Thyroxine |
| Triiodothyronine (T3) | |
| Calcitonin | |
| Hypothyroidism | |
| Parathyroid Gland | Hyperthyroidism |
| Pancreas | Parathormone |
| Calcium regulation | |
| Pancreas | Insulin |
| Glucagon | |
| Diabetes Mellitus | |
| Adrenal Gland | Adrenaline |
| Noradrenaline | |
| Aldosterone | |
| Cortisol | |
| Gonads | Testosterone |
| Estrogen | |
| Progesterone | |
| Hormone Classification | Peptide hormones |
| Steroid hormones | |
| Amino acid-derived hormones |
Sample Questions from the PDF
| Question No. | Question | Options | Answer |
|---|---|---|---|
| Question 1 | Which hormone causes dilation of blood vessels, increased oxygen consumption and glycogenesis? |
A. Adrenalin
B. Glucagon
C. ACTH
D. Insulin
|
Adrenalin |
| Question 2 | Sertoli cells are regulated by which pituitary hormone? |
A. Prolactin
B. LH
C. FSH
D. GH
|
FSH |
| Question 3 | A steroid hormone which regulates glucose metabolism is: |
A. 11-deoxycorticosterone
B. Cortisone
C. Cortisol
D. Corticosterone
|
Cortisol |
| Question 4 | Graves' disease is caused due to: |
A. Hyposecretion of adrenal gland
B. Hypersecretion of adrenal gland
C. Hyposecretion of thyroid gland
D. Hypersecretion of thyroid gland
|
Hypersecretion of thyroid gland |
Benefits of Solving PYQs Before NEET
Understand Exam Trends
Previous year questions reveal how NEET frames questions from endocrine physiology.
Improve Accuracy
Practicing PYQs reduces silly mistakes and improves concept retention.
Identify High-Yield Topics
You’ll quickly recognize which hormone-related topics appear repeatedly.
Faster Revision
PYQs help revise an entire chapter in less time compared to reading theory repeatedly.
Chemical Coordination and Integration NEET Weightage (2020–2025)
Chemical Coordination and Integration is one of the most important chapters from Human Physiology for NEET aspirants. Questions from this chapter are asked regularly and are usually based directly on NCERT concepts, hormone functions, endocrine glands, and hormonal disorders.
Recent NEET Weightage Trend
| NEET Year | Expected Questions | Marks Contribution |
|---|---|---|
| 2025 | 1–2 | 4–8 Marks |
| 2024 | 1–2 | 4–8 Marks |
| 2023 | 1–2 | 4–8 Marks |
| 2022 | 1–2 | 4–8 Marks |
| 2021 | 1–2 | 4–8 Marks |
Although the exact number of questions varies every year, the chapter consistently remains a high-yield topic because most questions are direct, concept-based, and highly NCERT-oriented.
Students who thoroughly understand endocrine glands, hormones, and associated disorders can score easily in this chapter.
Preparation Tips for Chemical Coordination and Integration
Focus on NCERT
Most NEET questions from this chapter are directly based on NCERT concepts and statements.
Memorize Hormone Functions
Questions often test specific hormone actions and target organs.
Learn Disorders Thoroughly
Understand causes, symptoms, and associated hormones.
Practice PYQs Multiple Times
Many concepts repeat with slight modifications.
Revise Flowcharts and Tables
Hormone-gland-function relationships are frequently tested.
Download Chemical Coordination and Integration PYQ PDF
If you're aiming to strengthen your Biology score, solving previous year questions is one of the most effective study methods.
Download NowFAQ
Yes. The PDF contains NEET previous year questions from multiple years, and the correct answers are marked for easy self-assessment and revision.
To score full marks, study the NCERT chapter thoroughly, learn hormone functions and endocrine disorders, revise diagrams and tables, and solve previous year questions multiple times. PYQs help identify recurring concepts and improve accuracy.
The most frequently asked topics include endocrine glands, hormone classification, hormone action, thyroid disorders, diabetes mellitus, pituitary hormones, adrenal hormones, and reproductive hormones.
Both are important, but chapter-wise PYQs help students master individual concepts and identify recurring exam patterns. Once chapter-wise preparation is complete, full-length mock tests can be used to improve speed, accuracy, and time management.
Start by reading the NCERT chapter thoroughly and making short notes for hormones, endocrine glands, and hormonal disorders. Then, solve chapter-wise previous-year questions to identify important concepts and improve retention. Regular revision of PYQs can significantly improve accuracy in NEET Biology.