Chapter 4 of 10
Revision Notes
Biological Basis of Behavior — Revision Notes
Gujarat Board · Class 11 · Psychology
Biological Basis of Behavior revision notes for Gujarat Board Class 11 Psychology: 4 topics in quick points. Includes Evolutionary Perspective, Genes.
45 questions22 flashcards5 concepts
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Key Topics to Revise
1
Evolutionary Perspective
- Charles Darwin's 'Origin of Species' (1859) explained gradual changes in organisms over time
- Physical growth and behavior develop together through evolution
- Environmental demands drive biological and behavioral changes
2
Genes and Behavior
- Each child inherits a unique combination of genes from both parents
- Most cells contain 23 pairs of chromosomes (46 total)
- Reproductive cells contain only 23 single chromosomes
3
Central Nervous System (CNS)
- CNS integrates information, processes thoughts, makes decisions, and issues orders
- Comprises Brain and Spinal Cord
- Human brain weighs 1.36 kg, contains 100 billion neurons
4
Brain Structure and Functions
- Three evolutionary levels: (1) Brainstem & Cerebellum, (2) Limbic System, (3) Cerebrum & Cerebral Cortex
- Brainstem: basic life support (breathing, heartbeat, sleeping)
- Thalamus: relay station for sensory signals to cortex
Get complete notes with diagrams and examples
Full NotesKey Concepts
Human beings have evolved over millionsThree key developments distinguish humansHumans have 23 pairs of chromosomesConsists of the brain and spinalFour cortical lobes each serve specific
Frequently Asked Questions
What are the important topics in Biological Basis of Behavior for Gujarat Board Class 11 Psychology?
Key topics in Biological Basis of Behavior include Evolutionary Perspective, Genes and Behavior, Central Nervous System (CNS), Brain Structure and Functions. Study these first, then practise questions on each for Class 11 exams.
How should I revise Biological Basis of Behavior for Class 11 exams?
Learn the core ideas first, then work through the 45 practice questions on Biological Basis of Behavior. Revise definitions regularly and use flashcards for quick recall before the exam.
Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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