Page 1: Introduction
Control and coordination: mechanisms to respond to stimuli.
Animals: nervous and endocrine system.
Plants: chemical coordination (hormones).
Page 2: Stimulus and Response
Stimulus: detectable change in environment.
Response: reaction to stimulus.
Receptors → coordinators → effectors.
Page 3: Nervous System in Animals
Neuron: structural and functional unit.
Parts: dendrite, cell body, axon, myelin sheath, synapse.
Page 4: Reflex Action
Rapid automatic response.
Reflex arc: receptor → sensory → spinal cord → motor → effector.
Example: knee jerk, hand withdraw.
Page 5: Human Brain
Protected by cranium, meninges, CSF.
Forebrain: cerebrum (thinking), olfactory, hypothalamus.
Midbrain: vision/hearing reflex.
Hindbrain: cerebellum (balance), pons, medulla (breathing, heart).
Page 6: Coordination in Plants
No nervous system.
Chemical coordination via phytohormones.
Movement: tropic (directional), nastic (non-directional).
Page 7: Plant Hormones
- Auxin: phototropism, geotropism, apical dominance
- Gibberellin: stem elongation, seed germination
- Cytokinin: cell division, delay ageing
- Abscisic acid: stress hormone, closing stomata
- Ethylene: fruit ripening
Page 8: Endocrine Glands in Humans
| Gland | Hormone | Function |
|---|---|---|
| Thyroid | Thyroxine | Metabolism |
| Adrenal | Adrenaline | Fight or flight |
| Pancreas | Insulin | Lower blood sugar |
| Pituitary | Growth hormone | Growth |
| Testes | Testosterone | Male characteristics |
| Ovaries | Oestrogen | Female characteristics |
Page 9: Feedback Mechanism
Maintains hormone level.
Example: insulin-glucagon for blood sugar.
Page 10: Key Points Summary
- Neuron and reflex arc
- Brain parts and functions
- Plant hormones and movements
- Major endocrine glands and hormones
Page 11: Practice Questions - Easy (1-10)
- Reflex arc path.
- Cerebrum function.
- Auxin role.
- Insulin gland.
- Adrenaline effect.
- Tropic movement example.
- Thyroxine deficiency.
- Synapse meaning.
- Gibberellin use.
- Medulla function.
Page 12: Practice Questions - Medium (11-20)
- Explain reflex action with example.
- Functions of cerebellum.
- Role of auxin in phototropism.
- Hormones of pituitary.
- Feedback mechanism in insulin.
- Difference nervous and chemical coordination.
- Abscisic acid function.
- Human brain protection.
- Plant movement types.
- Growth hormone deficiency.
Page 13: Practice Questions - Hard (21-30)
- Explain human brain parts with functions.
- Coordination in plants detailed.
- Endocrine glands location and hormones.
- Board level reflex arc diagram description.
- Importance of coordination.
- Hormonal imbalance diseases.
- Neuron structure and impulse transmission.
- Compare animal and plant coordination.
- Role of hypothalamus.
- Phytohormone applications in agriculture.
Page 14: Hormones Table
Gland, hormone, function, deficiency.
Page 15: Common Mistakes
- Wrong gland for hormone
- Confusing tropic and nastic
- Missing cerebellum balance
- Wrong reflex arc path
- Forgetting feedback
Page 16: Previous Year Questions
Brain parts, hormones, reflex, plant coordination.
Page 17: Exam Tips
- Draw labelled neuron, brain, reflex arc
- Tabular form for hormones
- Explain functions clearly
- Give examples for movements
- Memorise gland-hormone pairs
Page 18: Quick Revision Sheet
All glands, hormones, brain parts.
Page 19: Final Motivation
Chapter 7 complete! Control and Coordination is diagram-rich.
Master brain and hormones.
Class 10 Science unstoppable 🦖
Page 20: Extra Diagrams
Neuron, brain, reflex arc description.
Page 21: Plant Hormones Table
Name, function, example.
Page 22: Reflex Action Steps
Detailed path.
Page 23: Brain Protection
Cranium, meninges, CSF.
Page 24: Board Pattern
Common questions.
Page 25: Extra Practice
More questions.
Page 26: Diseases
Goitre, diabetes, dwarfism.
Page 27: Thank You & Copyright
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