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Biological And Cultural Bases of Human Behaviour — Syllabus

Telangana Open School (TOSS) · Class 12 · Psychology

What Biological And Cultural Bases of Human Behaviour covers in Telangana Open School (TOSS) Class 12 Psychology: 4 topics, for the 2026-27 session.

53 questions30 flashcards5 concepts

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4 Topics · Telangana Open School (TOSS) Class 12 Psychology · 2026-27

Topics in Biological And Cultural Bases of Human Behaviour

1

Evolutionary Nature of Human Behaviour

  • Humans evolved from earlier species through natural selection over millions of years.
  • Key evolutionary changes in humans: larger brain, bipedalism (walking on two legs), and opposable thumb for tool use.
  • Evolution favours traits that improve survival and reproduction — this is called 'fitness'.
2

Structure and Function of the Nervous System

  • The nervous system controls all body functions through neurons that transmit signals.
  • It has two main parts: Central Nervous System (CNS) and Peripheral Nervous System (PNS).
  • CNS includes brain and spinal cord; PNS connects CNS to body parts.
3

Brain Structure and Functions

  • Brain is divided into hindbrain, midbrain, and forebrain.
  • Hindbrain: controls basic life functions — medulla (breathing, heartbeat), pons (sleep, hearing), cerebellum (balance, coordination).
  • Midbrain: connects hindbrain and forebrain; contains Reticular Activating System (RAS) for alertness.
4

Endocrine System and Hormones

  • Endocrine system consists of ductless glands that secrete hormones directly into blood.
  • Hormones regulate growth, metabolism, reproduction, and emotions.
  • Pituitary gland is the 'master gland' — controls other endocrine glands.

Key Concepts

Central concept: Human Behaviour

Evolutionary Nature of Human BehaviourCell - The Basic Unit of LifeNeuronNervous SystemCentral Nervous SystemPeripheral Nervous SystemEndocrine SystemGenetic Influence on Behaviour

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Frequently Asked Questions

What are the important topics in Biological And Cultural Bases of Human Behaviour for Telangana Open School (TOSS) Class 12 Psychology?
Key topics in Biological And Cultural Bases of Human Behaviour include Evolutionary Nature of Human Behaviour, Structure and Function of the Nervous System, Brain Structure and Functions, Endocrine System and Hormones. Study these first, then practise questions on each for the Telangana Open School (TOSS) Class 12 board exam.
How should I revise Biological And Cultural Bases of Human Behaviour for the Telangana Open School (TOSS) Class 12 board exam?
Learn the core ideas first, then work through the 53 practice questions on Biological And Cultural Bases of Human Behaviour. 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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