Adolescence is an important stage of human life marked by rapid physical, emotional, and mental changes. This chapter explains the concept of puberty, hormonal changes, reproductive health, and the challenges faced during this period. Test your knowledge with these MCQs from Class 7 Science Chapter 6 – Adolescence: A Stage of Growth and Change.
MCQ Questions for Class 7 Science Chapter 6 Adolescence: A Stage of Growth and Change with Answers
Question 1: Adolescence typically occurs between which ages?
a) 5–9 years
b) 10–19 years
c) 20–30 years
d) 30–40 years
Answer:
b) 10–19 years — The chapter defines adolescence as a period of rapid growth and development usually between 10–19 years.
Question 2: Which sequence correctly lists the broad stages in a human life?
a) Infancy → Adolescence → Childhood → Adulthood → Old age
b) Childhood → Infancy → Adolescence → Adulthood → Old age
c) Infancy → Childhood → Adolescence → Adulthood → Old age
d) Childhood → Adolescence → Infancy → Adulthood → Old age
Answer:
c) Infancy → Childhood → Adolescence → Adulthood → Old age — The text presents human life in these stages.
Question 3: Which change is commonly observed in adolescent boys?
a) Narrower shoulders
b) Hoarse voice due to voice box growth
c) Disappearance of body hair
d) Thinner chest
Answer:
b) Hoarse voice due to voice box growth — The growing voice box (Adam’s apple) causes voice change in boys.
Question 4: What is the bump in the throat region called that may be seen in adolescent boys?
a) Thyroid lobe
b) Adam’s apple
c) Laryngeal ring
d) Vocal node
Answer:
b) Adam’s apple — It is associated with growth of the voice box during adolescence.
Question 5: Which statement about adolescent growth is correct?
a) All adolescents change at the same time and to the same extent
b) Timing and extent of changes vary among individuals
c) Only boys show visible changes
d) Only girls show visible changes
Answer:
b) Timing and extent of changes vary among individuals — Variations are normal and expected.
Question 6: Which of the following is a secondary sexual characteristic?
a) Formation of eggs or sperms
b) Development of breasts in girls
c) Formation of zygote
d) Fertilization
Answer:
b) Development of breasts in girls — Secondary sexual characteristics distinguish males and females but are not directly involved in reproduction.
Question 7: Puberty is best described as:
a) A sudden stop in growth
b) A stage when the body develops to become capable of reproduction
c) A period of emotional decline
d) A time when learning stops
Answer:
b) A stage when the body develops to become capable of reproduction — Puberty prepares the body for adulthood and reproduction.
Question 8: Which change is common to both adolescent boys and girls?
a) Growth of facial hair in all
b) Growth of hair in armpits and pubic region
c) Loss of body hair
d) Voice becoming squeaky in both
Answer:
b) Growth of hair in armpits and pubic region — Both boys and girls experience hair growth in these areas.
Question 9: Acne (pimples) in adolescence is mainly due to:
a) Lack of sleep alone
b) Increased oily secretions clogging skin pores
c) Reduced water intake only
d) Sunlight exposure
Answer:
b) Increased oily secretions clogging skin pores — Oily secretions can clog pores and lead to infections, causing pimples.
Question 10: The menstrual cycle generally recurs every:
a) 14–16 days
b) 21–35 days
c) 36–45 days
d) 46–60 days
Answer:
b) 21–35 days — Though commonly every 28–30 days, healthy cycles can range from 21–35 days.
Question 11: Menstruation (blood discharge) typically lasts for about:
a) 1–2 days
b) 3–7 days
c) 8–12 days
d) 15 days
Answer:
b) 3–7 days — The chapter states menstruation may last three to seven days.
Question 12: Menstruation in a woman’s life generally stops naturally around ages:
a) 25–30 years
b) 35–40 years
c) 45–55 years
d) 60–70 years
Answer:
c) 45–55 years — This marks the end of reproductive capability.
Question 13: Which statement about menstruation and society is correct?
a) Taboos around menstruation have a strong scientific basis
b) Menstruation is a natural process; myths have no scientific basis
c) Menstruating girls must be isolated for safety
d) Menstruation should not be discussed
Answer:
b) Menstruation is a natural process; myths have no scientific basis — The text urges a scientific outlook.
Question 14: Adolescence often brings emotional changes such as:
a) Reduced sensitivity to others
b) Stronger emotions and mood swings
c) Inability to learn new things
d) Permanent sadness
Answer:
b) Stronger emotions and mood swings — Emotional intensity and behavioural changes are common.
Question 15: A balanced diet during adolescence should include:
a) Only carbohydrates
b) Only proteins and fats
c) Proteins, carbohydrates, fats, vitamins, and minerals
d) Only vitamins
Answer:
c) Proteins, carbohydrates, fats, vitamins, and minerals — Nutritional needs are high during growth.
Question 16: Vitamin B12 is required for proper functioning of the body and must be:
a) Produced in the body from sunlight
b) Obtained from food since the body cannot make it
c) Inhaled from air
d) Applied on skin
Answer:
b) Obtained from food since the body cannot make it — The chapter notes B12 has to come from diet.
Question 17: Dorothy Hodgkin is noted in the chapter for studying the structure of:
a) Vitamin C
b) Vitamin D
c) Vitamin B12
d) Calcium
Answer:
c) Vitamin B12 — She won the Nobel Prize in Chemistry in 1964 for related work.
Question 18: A key aspect of personal hygiene during adolescence is:
a) Avoiding baths to preserve oils
b) Maintaining hygiene in armpits and pubic region
c) Using any waste for skin care
d) Never washing hair
Answer:
b) Maintaining hygiene in armpits and pubic region — Helps reduce infections.
Question 19: Proper disposal of used sanitary pads involves:
a) Flushing down the toilet
b) Burning in open air
c) Wrapping in newspaper and placing in a dustbin
d) Throwing in open drains
Answer:
c) Wrapping in newspaper and placing in a dustbin — Ensures community health and cleanliness.
Question 20: Which initiative provides biodegradable sanitary pads at affordable prices through Jan Aushadhi Kendras?
a) Menstrual Hygiene Scheme (MHS)
b) Rashtriya Kishor Swasthya Karyakram (RKSK)
c) Suvidha Sanitary Napkin Initiative
d) Shuchi Scheme
Answer:
c) Suvidha Sanitary Napkin Initiative — Improves access to menstrual hygiene products.
Question 21: Rashtriya Kishor Swasthya Karyakram (RKSK) focuses on:
a) Only distributing free textbooks
b) Overall adolescent health, including menstrual health and peer education
c) Building sports stadiums
d) Only adult healthcare
Answer:
b) Overall adolescent health, including menstrual health and peer education — It promotes awareness through peer support.
Question 22: Which statement about physical activity in adolescence is emphasized?
a) It has no effect on mood
b) It only builds muscles, not stamina
c) It keeps body and mind fit, builds stamina, and boosts mood
d) It should be avoided during school days
Answer:
c) It keeps body and mind fit, builds stamina, and boosts mood — Regular exercise is encouraged.
Question 23: Responsible social media behaviour during adolescence includes:
a) Sharing personal information freely
b) Posting without thinking
c) Seeking guidance, protecting privacy, and being respectful
d) Mocking others online
Answer:
c) Seeking guidance, protecting privacy, and being respectful — The chapter stresses thoughtful and responsible use.
Question 24: Cyberbullying involves:
a) Healthy debates only
b) Harassing others via digital devices and platforms
c) Playing online games
d) School announcements
Answer:
b) Harassing others via digital devices and platforms — The text advises seeking help from parents and teachers.
Question 25: Adolescents should respond to offers of harmful substances by:
a) Trying them once to be sure
b) Saying ‘NO’ firmly and consistently
c) Keeping them for later
d) Sharing with friends
Answer:
b) Saying ‘NO’ firmly and consistently — Substances like tobacco, alcohol, and drugs are harmful and addictive.
Question 26: The first step to overcoming addiction, as advised, is to:
a) Hide the problem
b) Seek help and support from trusted people
c) Move to a new city
d) Stop talking to family
Answer:
b) Seek help and support from trusted people — Family, teachers, counselling, and medical advice can help.
Question 27: The National De-addiction Helpline number mentioned is:
a) 112
b) 100
c) 14446
d) 1098
Answer:
c) 14446 — Provided to help deal with drug addiction.
Question 28: ‘Nasha Mukt Bharat Abhiyaan’ was launched by which ministry?
a) Ministry of Health and Family Welfare
b) Ministry of Social Justice and Empowerment
c) Ministry of Education
d) Ministry of Youth Affairs and Sports
Answer:
b) Ministry of Social Justice and Empowerment — The programme seeks mass awareness to avoid substance abuse.
Question 29: The primary reason for many changes during adolescence is:
a) Vitamins only
b) Hormones produced in the body
c) Lack of sleep
d) External temperature
Answer:
b) Hormones produced in the body — Hormones regulate growth, mood, and development.
Question 30: Hormones are released at appropriate times in response to signals from the:
a) Muscles
b) Bones
c) Brain
d) Skin
Answer:
c) Brain — The brain signals coordinate hormone release.
Question 31: Which statement about adolescent physical growth is accurate?
a) Only height changes; weight never changes
b) Boys may develop broader shoulders and wider chests; girls develop breasts
c) Girls develop moustaches while boys develop breasts
d) No visible changes occur
Answer:
b) Boys may develop broader shoulders and wider chests; girls develop breasts — These body changes are highlighted in the chapter.
Question 32: A key message about adolescence in the chapter is to:
a) Ignore guidance and decide alone
b) Stay informed, seek support, and make healthy decisions
c) Avoid physical activity to save energy
d) Keep myths and taboos unchallenged
Answer:
b) Stay informed, seek support, and make healthy decisions — The chapter concludes with guidance for a strong foundation ahead.
Fill in the Blanks Questions for Class 7 Science Chapter 6 Adolescence: A Stage of Growth and Change
1. Adolescence is the period of life between ___ and ___ years of age.
Answer:
10 and 19
2. The human life cycle broadly consists of infancy, childhood, ___, adulthood, and old age.
Answer:
adolescence
3. The period during which the body undergoes reproductive maturity is called ___.
Answer:
puberty
4. The larynx in adolescent boys enlarges, leading to a protrusion called the ___.
Answer:
Adam’s apple
5. Growth of hair in armpits and pubic region is a common change during ___.
Answer:
adolescence
6. In girls, enlargement of ___ is a visible change during adolescence.
Answer:
breasts
7. Pimples during adolescence are caused due to increased activity of ___ glands.
Answer:
oil (sebaceous)
8. The menstrual cycle in girls usually lasts for ___ to ___ days.
Answer:
3 to 7
9. Menstruation usually stops naturally in women between the ages of ___ and ___ years.
Answer:
45 and 55
10. The process of shedding of blood and mucosal tissues in girls every month is called ___.
Answer:
menstruation
11. The Nobel Prize in Chemistry in 1964 was awarded to Dorothy Hodgkin for her work on ___.
Answer:
Vitamin B12
12. The ___ Sanitary Napkin Initiative provides affordable biodegradable sanitary pads through Jan Aushadhi Kendras.
Answer:
Suvidha
13. The Rashtriya Kishor Swasthya Karyakram (RKSK) programme focuses on the health of ___.
Answer:
adolescents
14. The National De-addiction Helpline number for drug-related issues is ___.
Answer:
14446
15. The campaign ___ Bharat Abhiyaan was launched to spread awareness about substance abuse.
Answer:
Nasha Mukt
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