Class 11 Psychology - BIHAR

The Bases of Human Behaviour

The chapter 'The Bases of Human Behaviour' in Class 11 Psychology explores the complex biological and sociocultural foundations that shape how humans think, feel, and act. For Bihar (BSEB) board students, understanding this chapter is crucial as it lays the groundwork for biological psychology by examining the role of the nervous system, endocrine glands, genetic makeup, and cultural influences in shaping behavior. Mastery of these concepts is essential for scoring high marks in both objective and subjective questions in your annual exams.

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Key Concepts

Nervous System

The extensive network of nerve cells that transmits signals throughout the body, divided into the Central Nervous System (CNS) and Peripheral Nervous System (PNS).

Neuron

The basic structural and functional unit of the nervous system responsible for receiving, processing, and transmitting electrochemical information.

Endocrine System

A network of ductless glands that secrete hormones directly into the bloodstream to regulate various bodily functions, growth, and emotional states.

Heredity

The genetic transmission of physical and psychological characteristics from parents to offspring through genes carried on chromosomes.

Culture and Socialization

The shared beliefs, values, and norms of a society, along with the process by which individuals learn and internalize these cultural patterns.

Important Formulas

Behavior (B) = Function of Person (P) and Environment (E)
Central Nervous System (CNS) = Brain + Spinal Cord
Peripheral Nervous System (PNS) = Somatic Nervous System + Autonomic Nervous System
Autonomic Nervous System (ANS) = Sympathetic Nervous System + Parasympathetic Nervous System

Board Exam Info

In the Bihar (BSEB) Class 11 Psychology examinations, this chapter typically carries around 8 to 12 marks. Questions frequently appear as multiple-choice questions (MCQs), short-answer type questions on the functions of neurons or endocrine glands, and long-answer questions explaining the biological and socio-cultural determinants of human behavior.

Frequently Asked Questions

What is the difference between the central nervous system and the peripheral nervous system?

The central nervous system consists of the brain and spinal cord which process information, while the peripheral nervous system connects the CNS to the rest of the body.

How do hormones affect human behavior?

Hormones secreted by endocrine glands circulate in the blood and influence mood, energy levels, stress responses, and overall growth and development.

Are our behaviors determined more by heredity or environment?

Behavior is not determined by either alone; rather, it is the result of a continuous interaction between our genetic makeup (heredity) and environmental experiences.

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