NCERT Solutions for Class 11 Psychology Chapter 3: Human Development
These Class 11 Psychology Chapter 3 solutions cover Human Development from the NCERT Psychology textbook for the 2026–27 session. The chapter explains the meaning of development, the influence of heredity, environment and context, and the major characteristics of every stage of life — prenatal, infancy, childhood, adolescence, adulthood and old age. Below you will find full, exam-ready answers to all the Review Questions, clear notes on key terms, extra practice, MCQs, Assertion–Reason questions and FAQs.
Class: 11Subject: PsychologyChapter: 3Chapter Name: Human DevelopmentExercise: Review QuestionsSession: 2026–27
Chapter 3, Human Development, studies the progressive, orderly and predictable changes that begin at conception and continue throughout life. Development is shaped by an interplay of biological, cognitive and socio-emotional processes and is best understood through the Life-Span Perspective (development is lifelong, multi-directional, plastic, influenced by history and studied by many disciplines). The chapter distinguishes development from growth, maturation and evolution, examines how heredity (genotype/phenotype) and environment interact, and presents the contextual views of Bronfenbrenner (micro-, meso-, exo-, macro- and chronosystem) and Sinha (ecological model for Indian children). It then traces the main features of each developmental stage — prenatal, infancy, childhood, adolescence, adulthood and old age — using the theories of Piaget (cognitive stages), Erikson (psychosocial tasks like trust and identity) and Kohlberg (moral development).
Key Terms & Concepts
Development: the pattern of progressive, orderly and predictable changes that begin at conception and continue throughout life; it involves both gains (growth) and losses (decline).
Growth, maturation, evolution:growth is the measurable increase in size of body parts; maturation is change that follows an orderly, genetically dictated sequence; evolution refers to slow, species-specific changes through natural selection. Development includes growth as one of its aspects.
Life-Span Perspective (LSP): development is lifelong, multi-directional, highly plastic, interwoven across processes, influenced by historical conditions, the concern of many disciplines, and shaped by the individual acting on contexts.
Genotype & phenotype: the genotype is a person’s actual genetic heritage; the phenotype is the way that genotype is expressed in observable, measurable traits (height, intelligence, personality) as a result of heredity interacting with the environment.
Bronfenbrenner’s contextual view: development is embedded in nested systems — microsystem (immediate setting), mesosystem (relations between settings), exosystem (settings the child does not directly take part in), macrosystem (culture) and chronosystem (life-course events over time).
Developmental tasks: skills and accomplishments expected of a person at a given stage, which become the social expectations of that stage of development.
Object permanence: the awareness that objects continue to exist even when not perceived; it develops gradually during infancy.
Attachment: the close emotional bond of affection that develops between infants and their caregivers (shown by Harlow’s monkey study and linked to Erikson’s trust vs mistrust).
Egocentrism, animism, centration: features of preoperational thought — seeing the world only from one’s own view, treating inanimate things as living, and focusing on a single feature of an event.
Puberty & menarche:puberty is the attainment of sexual maturity marking the start of adolescence; menarche is the onset of menstruation in girls. Puberty produces primary and secondary sex characteristics.
Identity & imaginary audience/personal fable: identity is who you are and what your values, commitments and beliefs are; adolescent egocentrism shows up as the imaginary audience (belief that others are preoccupied with you) and the personal fable (sense of unique invulnerability).
Review Questions — Full Solutions
All questions below are reproduced verbatim from the NCERT textbook’s end-of-chapter Review Questions section. Answers are original, written in exam-ready style.
1. What is development? How is it different from growth and maturation?
ANSWERDevelopment is the pattern of progressive, orderly and predictable changes that begin at conception and continue throughout life. It is not confined to any one area of a person’s life — physical, cognitive and socio-emotional changes occur in an integrated manner. Development involves both gains and losses (for example, wisdom may increase with age while running speed declines), and it has a direction, with each change holding a definite relationship to what precedes and follows it.Difference from growth: growth refers only to an increase in the size of body parts or of the organism as a whole — it can be measured or quantified, as in height and weight. Growth is just one aspect of development; development is the broader process of growing and changing throughout the life cycle and also includes decline.Difference from maturation: maturation refers to changes that follow an orderly sequence and are largely dictated by the genetic blueprint — they seem to “unfold from within” on an inner, species-specific timetable (for example, most children sit by 7 months and walk by one year). Special efforts to accelerate such behaviours do not help if the child is maturationally not ready. Thus growth is quantitative increase, maturation is genetically programmed unfolding, while development is the wider, lifelong, directional process that includes both.
2. Describe the main features of life-span perspective on development.
ANSWERThe Life-Span Perspective (LSP) views development as a lifelong process and rests on the following assumptions:1. Development is lifelong. It takes place across all age groups, from conception to old age, and includes both gains and losses that interact in dynamic ways.2. The processes are interwoven. Biological, cognitive and socio-emotional processes are interconnected throughout the life-span and influence the development of the whole person.3. Development is multi-directional. Some dimensions increase while others decrease — for example, adults may grow wiser even as their speed on physical tasks like running declines.4. Development is highly plastic. Within a person, psychological development is modifiable, so skills and abilities can be improved or developed throughout life, though plasticity varies among individuals.5. Development is influenced by historical conditions. People who lived through the freedom struggle had very different experiences from 20-year-olds today; career orientations also differ across generations.6. Development is the concern of several disciplines. Psychology, anthropology, sociology and neuro-sciences all study human development.7. The individual responds and acts on contexts. Development is influenced by what was inherited and by the physical, social, historical and cultural contexts, and by life events such as the loss of a parent, an accident, or winning an award.
3. What are developmental tasks? Explain by giving examples.
ANSWERDevelopmental tasks are the accomplishments, skills and patterns of behaviour that a person is expected to achieve at a particular stage of development. Each stage is characterised by a dominant feature, and during that stage the individual progresses towards an assumed goal — a state or ability that must be achieved in the same order as others before moving to the next stage. Certain skills are learned more easily and successfully during certain stages, and these accomplishments become the social expectations of that stage.Examples: in infancy, learning to walk, talk and develop trust in caregivers are developmental tasks; in childhood, gaining motor coordination, learning to read and write and acquiring a sense of right and wrong; in adolescence, forming an identity, accepting one’s changing body and making vocational choices; and in adulthood, choosing a career, marrying, becoming a parent and developing a stable life structure. Although individuals vary in the rate at which they accomplish these tasks, the sequence is broadly similar.
4. ‘Environment of the child has a major role in the development of the child’. Support your answer with examples.
ANSWERDevelopment occurs through the interaction of heredity and environment; genes set the limits, but within those limits the environment shapes how a person actually develops. The genotype only becomes a phenotype (observable trait) through interaction with the surroundings.Examples showing the role of environment: a child whose genotype predisposes her to be introverted may become somewhat extroverted if raised in an environment that promotes social interaction. Parents who are good readers provide books, so their children are more likely to become good readers. Conversely, children in impoverished environments — lacking books, toys and experiences such as visits to a library, museum or zoo, with ineffective role models and overcrowded, noisy surroundings — are at a disadvantage and face difficulties in learning.Genes set limits, environment works within them: an individual with “short” height genes will never become taller than average even in an excellent nutritional environment. This shows that while heredity sets the boundary, the environment strongly influences whether and how a child reaches her potential. Hence the environment plays a major role in development.
5. How do socio-cultural factors influence development?
ANSWERDevelopment never takes place in a vacuum; it is always embedded in a particular socio-cultural context. Transitions such as entering school, becoming an adolescent, finding a job, marrying and retirement are joint functions of biological changes and changes in one’s environment.Bronfenbrenner’s contextual view shows how layered social settings shape development: the microsystem (family, peers, teachers, neighbourhood), the mesosystem (relations between these settings, e.g. how parents relate to teachers), the exosystem (settings the child does not directly take part in, such as a parent’s workplace transfer that causes family tension), the macrosystem (the culture in which the individual lives) and the chronosystem (life-course and socio-historical events such as a divorce or economic setback).Sinha’s ecological model (for Indian children) describes development in terms of two concentric layers: the visible “upper layer” (home conditions, quality of schooling, peer interactions) and the surrounding “outer layer” (general geographical environment, institutional setting of caste and class, and amenities like drinking water and electricity). These factors constantly interact, so the same ecological condition can have different consequences for different people. Thus socio-cultural factors — family, school, neighbourhood, culture, economic conditions and historical circumstances — deeply influence the course of an individual’s development.
6. Discuss the cognitive changes taking place in a developing child.
ANSWERAccording to Jean Piaget, children actively construct their understanding of the world, passing through a series of stages of thought; each stage is marked by a distinct way of thinking, not merely the amount of information.Sensorimotor stage (0–2 years): the infant explores the world by coordinating sensory experiences with physical actions. The newborn lives in the present — “out of sight is out of mind” — and gradually acquires object permanence, the awareness that objects continue to exist when not perceived.Preoperational stage (2–7 years): symbolic thought develops and the child can mentally represent objects that are not present. However, thinking is limited by egocentrism (seeing the world only from one’s own view), animism (treating inanimate things as living, e.g. “the road hurt me”), and centration (focusing on a single feature, e.g. preferring a tall narrow glass of juice).Concrete operational stage (7–11 years): intuitive thought is replaced by logical thought. The child can perform reversible mental operations, understands conservation (the clay-ball test), can classify objects and focus on several characteristics, which reduces egocentrism. Yet abstract thinking is still not possible.Formal operational stage (11–15 years): the adolescent can think abstractly, systematically and idealistically, using hypothetical-deductive reasoning to test possible solutions. Growing cognitive abilities also facilitate the acquisition of language, vocabulary and grammar.
7. Attachment bonds formed in childhood years have long-term effects. Explain taking examples from daily life.
ANSWERAttachment is the close emotional bond of affection that develops between infants and their parents or caregivers. According to Erik Erikson, the first year of life is the key time for developing attachment, and it represents the stage of trust versus mistrust. A sense of trust is built on physical comfort and responsive, sensitive parenting, and it creates an expectation of the world as a secure and good place.Harlow and Harlow’s study (1962) showed baby monkeys preferred a cloth “mother” that gave contact-comfort over a wire mother that gave food, proving that comfort — not just feeding — is crucial for attachment.Long-term effects with daily-life examples: infants who receive warm, accepting parenting develop a secure attachment — they explore freely, play happily and respond positively when picked up, which forms a strong base for healthy later development. In daily life, such a child confidently makes friends at school and copes well with new situations. In contrast, infants of insensitive, fault-finding parents may develop insecure attachment, feel anxious when separated, cry from fear and develop self-doubt that can persist into later life. A child’s attachment to a favourite toy or blanket also shows the same need for comfort. Thus the quality of early attachment has lasting effects on a person’s emotional security and relationships.
8. What is adolescence? Explain the concept of egocentrism.
ANSWERAdolescence (from the Latin adolescere, “to grow into maturity”) is the transitional period in a person’s life between childhood and adulthood. It begins at the onset of puberty, when sexual maturity or the ability to reproduce is attained, and is a period of rapid biological and psychological change. While the physical changes are universal, the social and psychological dimensions depend on the cultural context.Adolescent egocentrism: according to David Elkind, adolescents develop a special kind of egocentrism with two components — the imaginary audience and the personal fable.Imaginary audience is the adolescent’s belief that others are as preoccupied with them as they are with themselves. They feel they are constantly being watched and that everyone notices their behaviour — for example, a boy thinks everyone will notice an ink spot on his shirt, or a girl with a pimple feels that all people are judging her skin. This makes adolescents extremely self-conscious.Personal fable is the adolescent’s sense of uniqueness — the belief that no one else can understand their feelings. For example, a girl betrayed by a friend thinks no one can sense the hurt she feels. To retain this sense of uniqueness, adolescents may weave fantasy stories, often recorded in their diaries.
9. What are the factors influencing the formation of identity during adolescence? Support your answer with examples.
ANSWERIdentity is who you are and what your values, commitments and beliefs are. The primary task of adolescence is to establish an identity separate from one’s parents; failure to resolve this leads to what Erikson called identity confusion. Several factors influence its formation:1. Cultural and family background: the cultural background, family and societal values, ethnic background and socio-economic status all shape the adolescent’s search for a place in society.2. Peers and parents: as adolescents spend more time outside the home, they develop a strong need for peer support and acceptance; peers and parents serve complementary functions, and conflict with parents can increase identification with peers. For example, increased interaction with peers helps refine social skills and try out new behaviours.3. Vocational commitment: the question “What are you going to be when you grow up?” requires thinking about the future and setting realistic goals. In some cultures young people freely choose an occupation, while in others parents’ decisions are accepted; career counselling in schools helps in making such choices. For example, deciding which subjects to study is an important step in identity formation.Through searching for continuity and sameness in oneself and taking greater responsibility, the adolescent gradually achieves a clear sense of who they are.
10. What are the challenges faced by individuals on entry to adulthood?
ANSWEREntry into adulthood brings several major challenges as the individual is expected to be responsible, mature, self-supporting and well integrated into society. The two major tasks of early adulthood are exploring the possibilities for adult living and developing a stable life structure, with a gradual transition from dependence to independence.Career and work: earning a living, choosing an occupation and developing a career are central. Entering work life brings apprehensions about adjustment, proving one’s competence, dealing with competition and coping with the expectations of employers and oneself.Marriage: the adjustments of marriage include getting to know the other person and coping with each other’s likes, dislikes, tastes and choices; if both partners work, they must share roles and responsibilities at home.Parenthood and family: becoming a parent can be a difficult and stressful transition, affected by the number of children, the availability of social support and the happiness of the couple. The death of a spouse or divorce may create a single-parent family, and dual-career families face the stresses of childcare and workload. Despite the stress, parenting offers a unique opportunity for growth and satisfaction and a way of guiding the next generation. Thus the entry to adulthood involves balancing career, marriage, parenthood and new roles and responsibilities.
Extra Practice Questions
Short Answer Type Questions
Q1. Differentiate between genotype and phenotype.
ANSWERThe genotype is a person’s actual genetic material or genetic heritage inherited from the parents. The phenotype is the way that genotype is expressed in observable and measurable characteristics — such as height, weight, eye colour, intelligence and personality — and results from the interaction of inherited traits with the environment.
Q2. What are teratogens? Give two examples.
ANSWERTeratogens are environmental agents that cause deviations in normal prenatal development, which can lead to serious abnormalities or even death. Common teratogens include drugs (marijuana, heroin, cocaine), alcohol, tobacco, infections, radiation (such as X-rays) and pollution.
Q3. Distinguish between the cephalocaudal and proximodistal trends of motor development.
ANSWERIn the cephalocaudal trend, development proceeds from the head (cephalic) region to the tail (caudal) region, so children gain control over the upper part of the body before the lower part. In the proximodistal trend, growth proceeds from the centre of the body towards the extremities, so children gain control over their torso before their arms and legs.
Q4. What are reflexes? Name any two reflexes present in a newborn.
ANSWERReflexes are automatic, built-in responses to stimuli that are genetically carried survival mechanisms and the building blocks for later motor development. Examples include the rooting reflex (turning the head and opening the mouth when the cheek is touched), the Moro reflex (throwing the arms outward at a loud noise), the grasp reflex and the Babinski reflex.
Q5. What is the difference between primary and secondary sex characteristics?
ANSWERPrimary sex characteristics are features directly related to reproduction, while secondary sex characteristics are the features or signs of achieving sexual maturity — for example, in boys, facial hair and changes in voice, and in girls, rapid growth before menarche (the onset of menstruation). Both result from hormones released during puberty.
Long Answer Type Questions
Q1. Explain Bronfenbrenner’s contextual view of development.
ANSWERUrie Bronfenbrenner’s contextual view emphasises the role of environmental factors arranged in nested systems. The microsystem is the immediate setting in which the child directly interacts with social agents — family, peers, teachers and neighbourhood. The mesosystem consists of the relations between these settings, such as how a child’s parents relate to the teachers or how parents view the adolescent’s friends. The exosystem includes social settings in which the child does not directly participate but which still affect them — for example, the transfer of a parent may cause tension that affects interactions with the child, or influence the quality of schooling and medical care available. The macrosystem is the culture in which the individual lives, and the chronosystem involves events in the individual’s life course and socio-historical circumstances, such as the divorce of parents or an economic setback. In a nutshell, Bronfenbrenner held that a child’s development is significantly affected by the complex world that envelops them, from everyday conversations with playmates to the social and economic circumstances into which they are born.
Q2. Describe the major concerns faced by adolescents.
ANSWERAdolescence is a vulnerable period marked by conflicts, peer pressure and a search for identity, and three major concerns are commonly highlighted. Delinquency refers to a range of behaviours from socially unacceptable acts to legal offences and crimes — truancy, running away, stealing and vandalism; it is often associated with low parental support, inappropriate discipline, family discord, poverty and a negative self-identity, but most delinquent children do not remain so, especially with a change in peer group and growing self-worth. Substance abuse — smoking, alcohol and drug abuse — often begins through peer pressure, the desire to seem adult or to escape stress; nicotine’s addictive power makes stopping difficult, and continued use can lead to physiological dependency; positive relationships with parents, peers and adults help prevent it (the Society for Theatre in Education Programme in New Delhi is a successful anti-drug effort). Eating disorders arise from obsession with the body and peer comparison: anorexia nervosa is the relentless pursuit of thinness through starvation, while bulimia follows a binge-and-purge pattern; both are primarily female disorders, more common in urban families.
Q3. Describe the main features of development during adulthood and old age.
ANSWERAn adult is generally someone who is responsible, mature, self-supporting and well integrated into society, though the timing of assuming adult roles varies. In early adulthood, the major tasks are exploring possibilities for adult living and developing a stable life structure, with a transition from dependence to independence; central themes are earning a living and developing a career, getting married and adjusting to a partner, and becoming a parent. In middle adulthood, maturational changes cause gradual physical decline — weaker vision, sensitivity to glare, hearing loss, wrinkles and grey hair; some cognitive abilities decline (long-term memory shows greater decline than short-term memory) while wisdom may improve with age. In old age, individuals cope with retirement, widowhood, illness and changing family roles such as grandparenting; retirement may be seen negatively as a loss of self-esteem or positively as freedom to pursue interests. Feelings of loss of energy and dwindling health and finances can lead to insecurity and dependency, so it is important to give the elderly a sense of security and belonging. Death, though more likely in late adulthood, can come at any point, and the loss of a spouse is usually the most difficult; support from children, grandchildren and friends helps individuals cope.
MCQs & Assertion–Reason
1. Development is best defined as:
(a) only physical growth (b) progressive, orderly and predictable changes from conception throughout life (c) changes that stop at adulthood (d) a temporary change due to illness
2. Which of the following is NOT an assumption of the Life-Span Perspective?
(a) Development is lifelong (b) Development is multi-directional (c) Development is fixed and cannot be modified (d) Development is the concern of several disciplines
3. The way an individual’s genotype is expressed in observable characteristics is called:
For each Assertion–Reason question, choose: (A) Both true and the Reason correctly explains the Assertion; (B) Both true but the Reason is not the correct explanation; (C) Assertion true, Reason false; (D) Assertion false, Reason true.
A-R 1. Assertion: Growth is only one aspect of development.
Reason: Development is a broad, lifelong, directional process that includes both gains and losses, while growth is only the measurable increase in size.
A-R 2. Assertion: Environment alone determines a person’s height.
Reason: An individual with “short” height genes will never become taller than average even in an excellent nutritional environment.
A-R 3. Assertion: Preoperational children show animism.
Reason: Because of egocentrism, preoperational children attribute life-like qualities to inanimate objects.
A-R 4. Assertion: Contact-comfort is important for attachment in infancy.
Reason: In Harlow’s study, baby monkeys preferred the cloth mother that gave comfort over the wire mother that gave food.
A-R 5. Assertion: The primary task of adolescence is to establish an identity separate from the parents.
Reason: Adolescents who cannot cope with conflicting identities always become delinquent.
Answer key: 1-(A), 2-(D), 3-(A), 4-(A), 5-(C).
Exam Tips & Common Mistakes
How to score full marks in this chapter
Memorise the seven assumptions of the Life-Span Perspective and the clear distinctions between development, growth, maturation and evolution. Link each developmental stage to the right theorist — Piaget for cognitive stages, Erikson for psychosocial tasks (trust, initiative, identity) and Kohlberg for moral development. For context questions, always present Bronfenbrenner’s five systems and Sinha’s two-layer ecological model with examples. Use the textbook’s own keywords — genotype/phenotype, object permanence, egocentrism, animism, centration, conservation, menarche, imaginary audience, personal fable — to show command of the chapter.
Common mistakes to avoid
Treating growth, maturation and development as the same thing — define each separately.
Saying environment or heredity alone controls development — remember genes set limits, environment works within them.
Mixing up Piaget’s stages and their age ranges (sensorimotor 0–2, preoperational 2–7, concrete operational 7–11, formal operational 11–15).
Confusing the imaginary audience (others watching me) with the personal fable (no one understands me / I am unique).
Confusing puberty (sexual maturity) with menarche (onset of menstruation) and primary with secondary sex characteristics.
Forgetting examples in answers — questions 4, 7 and 9 specifically ask for examples from daily life.
Frequently Asked Questions
What is Chapter 3 of Class 11 Psychology about?
Chapter 3, Human Development, explains the meaning of development, the life-span perspective, the influence of heredity and environment, the contextual views of Bronfenbrenner and Sinha, and the main characteristics of every stage of life — prenatal, infancy, childhood, adolescence, adulthood and old age — using Piaget, Erikson and Kohlberg.
How is development different from growth and maturation?
Growth is the measurable increase in body size; maturation is genetically programmed change that unfolds on an inner timetable; development is the broader, lifelong, directional process of changing throughout life that includes both growth and decline.
How many review questions are there in Class 11 Psychology Chapter 3?
The end-of-chapter exercise in Chapter 3, Human Development, is headed Review Questions and contains 10 questions, all answered step by step on this page.
