01. Overview of Chapter 15

02. Introduction to Homeostasis (Part 1)

03. Introduction to Homeostasis (Part 2)

04. Introduction to Osmoregulation

05. Osmoregulation in Animals

06. Osmoregulation in Plants (Part 1)

07. Osmoregulation in Plants (Part 2)

08. Osmoregulation in Different Environments (Part 1)

09. Osmoregulation in Different Environments (Part 2)

10. Osmoregulation in Different Environments (Part 3)

11. Introduction to Excretion

12. Excretion in Plants

13. Excretion in Animals

14. Nature of Excretory Products in Relation to Habitat

15. Excretion in Vertebrates

16. Excretion in Man

1. Chapter 16 Exercise (Part 1)

2. Chapter 16 Exercise (Part 2)

3. Past Paper Ch 16 (Part 1)

4. Past Papers Ch 16 (Part 2)

1. Overview

2. Introduction to Coordination

3. Coordination in Plants

4. Plant Hormones (Part 1)

5. Plant Hormones (Part 2)

6. Coordination in Animals

7. Working of Sensory Receptors and Effectors

8. Neurons

09. Reflex Arc and Reflex Action

10. Nerve Impulse (Part 1)

11. Nerve Impulse (Part 2)

12. Synapse

13. Human Nervous System

14. Human Brain (Part 1)

15. Human Brain (Part 2)

16. Spinal Cord

17. Peripheral Nervous System

18. Nervous Disorders

19. Chemical Coordination

20. Hormones

21. Hypothalamus

22. Pituitary Gland

23. Anterior Pituitary

24. Median and Posterior Pituitary

25. Thyroid Gland

26. Parathyroid Gland

27. Islet of Langerhans

1. Overview of Reproduction

2. Introduction To Reproduction

3.Reproduction In Plants

4. Parthenocarpy, Seed Dormancy, Fruit set and Ripening

5. Reproduction In animals

6. Sexual Reproduction In animals part 1

7. Sexual Reproduction in Animals Part 2

8. Male Reproductive System Part 1

9. Male Reproductive System Part 2

10.Female Reproductive System Part 1

11. Female Reproductive System Part 2

12. Female Reproductive Cycle

13. Process of Birth

14. Test Tube Babies

15.Sexually Transmitted Diseases

16. Exercise

17. Past Papers

1. Introduction

2. Overview

3. Growth And Development In Plants

4. Phases of Growth In Plants

5. Growth Correlations

6. Growth And Development In Animals

7. Development of Chick Part 1

8. Development of chick Part 2

9. Development of Chick part 3

10. Role of Cytoplasm In Development

11. Role Of Nucleus In development

12 Regeneration

13. Exercise

14. Past Papers

1. Cell Cycle Exercise

1. Exercise (Part 1)

2. Exercise (Part 2)

1. Exercise

2. Past Papers

1. Overview

2. Introduction to Evolution

3. Evolution of Eukaryotes (Part 1)

4. Evolution of Eukaryotes (Part 2)

5. Charles Darwin (Part 1)

6. Charles Darwin (Part 2)

7. Neo Darwinism

8. Evidences of Evolution (Part 1)

9. Evidences of Evolution (Part 2)

10. Evidences of Evolution (Part 3)

11. Population, Gene Pool and Gene Frequency

12. Factors Affecting Gene Frequency

13. Exercise

14. Hardy Weinberg Theorem

15. Endangered Species

16. Introduction to Evolution

17. Inheritance of Acquired Characteristics

18. Natural Selection vs Artificial Selection

1. Exercise

2. Past Papers

1. Overview of Chapter

2. Environmental Resources

3. Degradation and Depletion Of resources

4. Deforestation and Afforestation

5.Importance of Forests

6. Ozone Layer Depletion

7. Green House Effect

8. Water Pollution

9. Eutrophication

10. Past paper solution

11. Solved Exercise