Motivation and Emotion — NCERT Solutions
CBSE · Class 11 · Psychology
NCERT Solutions for Motivation and Emotion, CBSE Class 11 Psychology: 8 textbook questions solved step by step.
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Review Questions — Chapter 8: Motivation and Emotion
1Explain the concept of motivation.Show solution
Given / To explain: The concept of motivation.
Definition:
Motivation is the process of persistent, goal-directed behaviour that arises from certain internal or external driving forces. It energises, directs, and sustains behaviour until a goal is reached.
Key features of motivation:
- Goal-directed: Motivated behaviour is always aimed at achieving a specific goal (e.g., studying hard to score well in an exam).
- Persistent: The individual continues the behaviour until the goal is achieved or abandoned.
- Driven by needs/motives: Motivation originates from needs — biological (hunger, thirst) or psychosocial (achievement, affiliation).
- Energising: It activates and sustains behaviour.
Types of Motivation:
- Biological (Intrinsic) Motivation: Arises from innate biological needs regulated by hormones, neurotransmitters, and brain structures like the hypothalamus and limbic system. Examples: hunger, thirst, sex drive.
- Psychosocial Motivation: Arises from an individual's interaction with the social environment. Examples: need for achievement, need for affiliation, need for power, curiosity.
Conclusion:
Motivation is a dynamic internal state that initiates and guides behaviour towards satisfying a need or attaining a goal. It is central to understanding why people behave the way they do.
2What are the biological bases of hunger and thirst needs?Show solution
Given / To explain: The biological bases of hunger and thirst.
A. Biological Basis of Hunger:
- Hypothalamus: The hypothalamus in the brain plays a central role in regulating hunger.
- The lateral hypothalamus (LH) acts as the 'hunger centre' — stimulation of LH causes eating; its destruction leads to starvation.
- The ventromedial hypothalamus (VMH) acts as the 'satiety centre' — stimulation stops eating; its destruction leads to overeating.
- Blood glucose levels: When blood sugar (glucose) levels fall, hunger signals are sent to the brain. After eating, glucose levels rise and hunger decreases.
- Hormones:
- Ghrelin (secreted by the stomach) increases hunger.
- Leptin (secreted by fat cells) signals satiety and reduces hunger.
- Insulin regulates glucose metabolism and influences hunger.
- Stomach contractions: Empty stomach contractions (hunger pangs) also signal the need for food.
B. Biological Basis of Thirst:
- Hypothalamus: The hypothalamus monitors the water content (osmotic pressure) of the blood. When the body is dehydrated, the hypothalamus triggers the sensation of thirst.
- Osmoreceptors: Specialised cells in the hypothalamus detect changes in the concentration of body fluids. When fluid concentration rises (dehydration), they signal thirst.
- Dry mouth: Reduced saliva production due to dehydration also contributes to the sensation of thirst.
- Hormones: The antidiuretic hormone (ADH), released by the pituitary gland, helps retain water in the body and is linked to thirst regulation.
- Blood volume: A drop in blood volume (e.g., due to bleeding or sweating) also triggers thirst through hormonal signals (renin-angiotensin system).
Conclusion:
Both hunger and thirst are primarily regulated by the hypothalamus, working in coordination with blood chemistry, hormones, and sensory signals to maintain the body's internal balance (homeostasis).
3How do the needs for achievement, affiliation, and power influence the behaviour of adolescents? Explain with examples.Show solution
Given / To explain: Influence of psychosocial motives — achievement, affiliation, and power — on adolescent behaviour.
These are psychosocial motives because they arise from the individual's interaction with the social environment.
1. Need for Achievement (n-Ach):
- Definition: The desire to accomplish difficult tasks, attain high standards, and excel in one's work.
- Influence on adolescents:
- Adolescents with high n-Ach set challenging but realistic goals.
- They persist in the face of failure and take personal responsibility for outcomes.
- They prefer tasks where success depends on their own effort and skill.
- Example: A student who studies extra hours, participates in competitive exams like Olympiads, and feels proud of personal improvement — even without external rewards — is driven by a high need for achievement.
2. Need for Affiliation (n-Aff):
- Definition: The desire to establish, maintain, and restore warm, close, and friendly relationships with others.
- Influence on adolescents:
- Adolescents with high n-Aff are strongly motivated to belong to peer groups.
- They may conform to group norms (e.g., dress, language, habits) to gain acceptance.
- They feel distressed when excluded or rejected by peers.
- Example: A teenager who joins a sports team not primarily for the sport itself but to make friends and feel accepted is driven by a high need for affiliation. Peer pressure in adolescence is largely a manifestation of this need.
3. Need for Power (n-Pow):
- Definition: The desire to influence, control, or have an impact on others and one's environment.
- Influence on adolescents:
- Adolescents with high n-Pow seek leadership roles in school (e.g., class monitor, student council president).
- They may engage in risk-taking behaviour to assert dominance or impress others.
- If channelled positively, it leads to social leadership; if negative, it may lead to bullying or aggression.
- Example: A student who campaigns actively to become the school student union president, organises events, and enjoys directing others is motivated by a high need for power.
Conclusion:
All three psychosocial motives significantly shape adolescent behaviour — academically, socially, and personally. Understanding these motives helps parents, teachers, and counsellors guide adolescents constructively.
4What is the basic idea behind Maslow's hierarchy of needs? Explain with suitable examples.Show solution
Given / To explain: Maslow's hierarchy of needs and its basic idea.
Basic Idea:
Abraham Maslow proposed that human needs can be arranged in a hierarchical order from the most basic (deficiency) needs at the bottom to higher-order (growth) needs at the top. A person is motivated to fulfil lower-level needs first; only when these are reasonably satisfied does the person move to higher-level needs.
The Hierarchy (from bottom to top):
Explanation of each level with examples:
| Level | Need | Example |
|---|---|---|
| 1 (Lowest) | Physiological Needs — food, water, sleep, shelter, warmth | A homeless person's primary concern is finding food and shelter, not career success. |
| 2 | Safety Needs — security, stability, freedom from fear | A person living in a conflict zone prioritises personal safety over social relationships. |
| 3 | Love and Belongingness Needs — friendship, intimacy, family, sense of belonging | A student who has food and safety now seeks friendships and acceptance in a peer group. |
| 4 | Esteem Needs — self-respect, achievement, recognition, status | A professional who is socially accepted now strives for a promotion or public recognition. |
| 5 (Highest) | Self-Actualisation — realising one's full potential, creativity, personal growth | A successful artist who, having met all other needs, creates art purely for self-expression and fulfilment. |
Key Points:
- The first four levels are called Deficiency Needs (D-needs) — they arise from a lack of something.
- The fifth level is called a Growth Need (B-need / Being need) — it arises from the desire to grow.
- Maslow believed very few people reach the level of self-actualisation (e.g., Mahatma Gandhi, Abraham Lincoln).
Conclusion:
Maslow's hierarchy provides a useful framework for understanding human motivation. It shows that human beings are motivated by a progression of needs, and higher aspirations emerge only after more fundamental needs are met.
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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