NCERT Solutions for Class 11 Psychology Chapter 3

The Bases of Human Behaviour Class 11

Chapter 3 The Bases of Human Behaviour Exercise Solutions

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Review questions : Solutions of Questions on Page Number : 63

Q1 :  

How does the evolutionary perspective explain the biological basis of behaviour?


Answer :

The evolutionary perspective explains the biological behaviour by demonstrating the behavioural and physiological changes that occur as a result of evolution being necessary for the survival of species. For instance, increase in the capacity for cognitive behaviour like perception, memory and use of language for communication among humans is a result of the evolution. Such type of changes have occurred due to the impact of the surrounding environment and is related to abilities like finding food, avoiding predators and protecting the offspring. This is manifested in humans in the following ways:

  • The human brain has evolved from smaller to bigger in size.

  • Human beings can walk upright on their two legs.

  • Human beings have got a free hand with a workable opposing thumb.

Thus, the evolutionary perspective highlights the importance of the developed body and mind that humans have inherited from their ancestors and provides a biological basis of behaviour.

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Q2 :  

Describe how neurons transmit information?


Answer :

Neurons transmit information with the help of its dendrites, axon, soma and terminal buttons by converting stimuli into electrical impulses. This is done by the following method:

  • Dendrites receive the incoming neural impulses, from adjacent neurons or directly from the sense organs, in electrochemical form.

  • The nerve impulse is then passed on to the soma that is the main body of the neuron.

  • From soma, impulse passes on to the axon.

  • The axon transmits the information/impulse along its length to terminal buttons.

  • The terminal buttons transmit the information to another neuron, gland and muscle.

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Q3 :  

Name the four lobes of the cerebral cortex. What functions do they perform?


Answer :

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Q4 :  

Name the various endocrine glands and the hormones secreted by them. How does the endocrine system affect our behaviour?


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Q5 :  

How does the autonomic nervous system help us in dealing with an emergency situation?


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Q6 :  

Explain the meaning of culture and describe its important features.


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Q7 :  

Do you agree with the statement that 'biology plays an enabling role, while specific aspects of behaviour are related to cultural factors'? Give reasons in support of your answer.


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Q8 :  

Describe the main agents of socialisation.


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Q9 :  

How can we distinguish between enculturation and socialisation? Explain.


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Q10 :  

What is meant by acculturation? Is acculturation a smooth process? Discuss.


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Q11 :  

Discuss the acculturative strategies adopted by individuals during the course of acculturation.


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<< Previous Chapter 2 : Methods of Enquiry in Psychology Next Chapter 4 : Human Development >>

Psychology : CBSE NCERT Exercise Solutions for Class 11th for The Bases of Human Behaviour will be available online in PDF book form soon. The solutions are absolutely Free. Soon you will be able to download the solutions.

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