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Revision Notes

Biological Basis of Behavior

Gujarat Board · Class 11 · Psychology

Quick revision notes for Biological Basis of Behavior — Gujarat Board Class 11 Psychology. Key concepts, formulas, and definitions for last-minute revision.

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

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Full Notes

Key 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?
Biological Basis of Behavior covers several key topics that are frequently asked in Gujarat Board Class 11 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Biological Basis of Behavior — Gujarat Board Class 11 Psychology?
Understand the core concepts first, then work through the 45 practice questions available for this chapter. Revise formulas and 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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