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AP 7th General Science Textbook Solutions – 6. Adolescence (2026-27)

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6 Adolescence
Page 216 - Let Us Enhance Our Learning
  • 1. Ramesh, an 11-year-old boy, developed a few pimples on his face. His mother told him that this is because of ongoing biological changes in his body.
    (i) What could be the possible reasons for the development of these pimples on his face?
    (ii) What can he do to get some relief from these pimples?
    (i) Reasons: During adolescence, an increase in oily secretions from the skin can clog the skin pores and lead to infections, resulting in acne and pimples.

    (ii) Relief measures: He can maintain good personal hygiene, wash his face regularly to keep it clean, and avoid picking or squeezing the pimples.
  • 2. Which of the following food groups would be a better option for adolescents and why?
    Option (i) [representing a balanced diet with rice, roti, dal, vegetables, salad, and curd] is a better option for adolescents. This is because adolescence is a period of rapid growth and development requiring a nutritious diet containing adequate amounts of proteins, carbohydrates, fats, vitamins, and minerals.
  • 3. Unscramble the underlined word in the following sentences:
    (i) The discharge of blood in adolescent girls which generally occurs every 28-30 days is menstruation (nstmnoiaretu).
    (ii) The hoarseness in the voice of adolescent boys is due to enlarged voice box (iceov xob).
    (iii) Secondary sexual characteristics are natural signs that the body is preparing for adulthood and mark the onset of puberty (urtypeb).
    (iv) We should say NO to alcohol (lahoclo) and drugs (srugd) as they are addictive.
  • 4. Sailu told her friend, "Adolescence brings only physical changes, like growing taller or developing body hair." Is she correct? What would you change in this description of adolescence?
    No, Sailu is not entirely correct. While adolescence does bring prominent physical changes, it is also marked by significant internal changes (such as the maturation of reproductive organs and onset of puberty), emotional changes (such as mood swings and strong emotions), and behavioural changes.
  • 5. During a discussion in the class, some of the students raised the following points. What questions would you ask them to check the correctness of these points?
    (i) Adolescents do not need to worry about behavioural changes.
    (ii) If someone tries a harmful substance once, they can stop anytime they want.
    * For point (i): "How do emotional and behavioural changes affect your relationships, studies, and decision-making during adolescence?"
    * For point (ii): "Are harmful substances like tobacco and drugs addictive, and why is it dangerous to try them even 'just once'?"
  • 6. Adolescents sometimes experience mood swings. On some days, they feel very energetic and happy, while on other days, they may feel low. What other behavioural changes are associated with this age?
    Other behavioural changes associated with adolescence include heightened curiosity and excitement, stronger emotions and increased sensitivity, taking up social initiatives to support the needy, developing deeper interests in new areas, and sometimes peer pressure or increased online interactions.
  • 7. While using a toilet, Vani noticed that used sanitary pads were scattered near the bin. She got upset and shared her feelings with her friends. They discussed the importance of menstrual hygiene and healthy sanitary habits. What menstrual hygiene and sanitary habits would you suggest to your friends?
    Suggested menstrual hygiene and sanitary habits include:
    1. Using clean sanitary pads or reusable cloth pads and changing them regularly.
    2. Maintaining personal hygiene by washing the pubic region properly to prevent infections.
    3. Properly wrapping used sanitary pads in paper before disposing of them inside a covered dustbin to maintain environmental cleanliness and community health.
  • 8. Likitha and Vijay were classmates and good friends. On turning 11, Likitha developed a little bulge on the front of her neck. She visited the doctor who gave her medication and asked to take iodine-rich diet. Similarly, a bump was developed on the front of Vijay's neck when he turned 12. However, the doctor told him that it was a part of growing up. According to you, what could be the possible reason for advising Likitha and Vijay differently?
    The bump on Vijay's neck was the Adam's apple, which is a normal structural enlargement of the voice box in adolescent boys during puberty. In contrast, Likitha's bulge on the neck indicated a thyroid-related health issue (such as goitre) requiring medication and an iodine-rich diet.
Page 220 - Let Us Enhance Our Learning (Continued)
  • 9. During adolescence, the boys and girls undergo certain physical changes, a few of which are given below.
    (i) Change in voice (ii) Development of breasts (iii) Growth of moustache (iv) Growth of facial hair (v) Pimples on the face (vi) Growth of hair in the pubic region (vii) Growth of hair in armpits
    Categorise these changes in the table given below:
    Observed only in boys Observed only in girls Common in boys and girls
    (iii) Growth of moustache
    (iv) Growth of facial hair
    (ii) Development of breasts (i) Change in voice
    (v) Pimples on the face
    (vi) Growth of hair in the pubic region
    (vii) Growth of hair in armpits
  • 10. Prepare a poster mentioning the tips for adolescents to live a healthy lifestyle.
    Tips for a Healthy Lifestyle:
    1. Eat a nutritious, balanced diet rich in proteins, carbohydrates, fats, vitamins, and minerals.
    2. Maintain personal hygiene, especially during menstruation and physical activities.
    3. Engage in regular physical exercise, games, and sports to stay fit.
    4. Practice positive life skills such as coping with stress and effective communication.
    5. Stay away from addictive substances and firmly say 'NO' to tobacco, alcohol, and drugs.
  • 11. Ramu struggles to adjust in the hostel with his peer group. What life skills should he acquire?
    Ramu should acquire the following life skills to adjust well and manage his daily life smoothly:
    1. Effective Communication: Speaking politely and listening actively.
    2. Interpersonal Relationships: Building healthy, respectful, and supportive relationships with peers.
    3. Coping with Emotions and Stress: Recognizing and managing strong feelings and handling pressures positively.
    4. Problem-Solving and Decision-Making: Finding practical solutions to conflicts and weighing outcomes before choosing options.
6 Adolescence
Page 216 - Let Us Enhance Our Learning
  • 1. Ramesh, an 11-year-old boy, developed a few pimples on his face. His mother told him that this is because of ongoing biological changes in his body.
    (i) What could be the possible reasons for the development of these pimples on his face?
    (ii) What can he do to get some relief from these pimples?
    (i) Reasons: During adolescence, an increase in oily secretions from the skin can clog the skin pores and lead to infections, resulting in acne and pimples.

    (ii) Relief measures: He can maintain good personal hygiene, wash his face regularly to keep it clean, and avoid picking or squeezing the pimples.
  • 2. Which of the following food groups would be a better option for adolescents and why?
    Option (i) [representing a balanced diet with rice, roti, dal, vegetables, salad, and curd] is a better option for adolescents. This is because adolescence is a period of rapid growth and development requiring a nutritious diet containing adequate amounts of proteins, carbohydrates, fats, vitamins, and minerals.
  • 3. Unscramble the underlined word in the following sentences:
    (i) The discharge of blood in adolescent girls which generally occurs every 28-30 days is menstruation (nstmnoiaretu).
    (ii) The hoarseness in the voice of adolescent boys is due to enlarged voice box (iceov xob).
    (iii) Secondary sexual characteristics are natural signs that the body is preparing for adulthood and mark the onset of puberty (urtypeb).
    (iv) We should say NO to alcohol (lahoclo) and drugs (srugd) as they are addictive.
  • 4. Sailu told her friend, "Adolescence brings only physical changes, like growing taller or developing body hair." Is she correct? What would you change in this description of adolescence?
    No, Sailu is not entirely correct. While adolescence does bring prominent physical changes, it is also marked by significant internal changes (such as the maturation of reproductive organs and onset of puberty), emotional changes (such as mood swings and strong emotions), and behavioural changes.
  • 5. During a discussion in the class, some of the students raised the following points. What questions would you ask them to check the correctness of these points?
    (i) Adolescents do not need to worry about behavioural changes.
    (ii) If someone tries a harmful substance once, they can stop anytime they want.
    * For point (i): "How do emotional and behavioural changes affect your relationships, studies, and decision-making during adolescence?"
    * For point (ii): "Are harmful substances like tobacco and drugs addictive, and why is it dangerous to try them even 'just once'?"
  • 6. Adolescents sometimes experience mood swings. On some days, they feel very energetic and happy, while on other days, they may feel low. What other behavioural changes are associated with this age?
    Other behavioural changes associated with adolescence include heightened curiosity and excitement, stronger emotions and increased sensitivity, taking up social initiatives to support the needy, developing deeper interests in new areas, and sometimes peer pressure or increased online interactions.
  • 7. While using a toilet, Vani noticed that used sanitary pads were scattered near the bin. She got upset and shared her feelings with her friends. They discussed the importance of menstrual hygiene and healthy sanitary habits. What menstrual hygiene and sanitary habits would you suggest to your friends?
    Suggested menstrual hygiene and sanitary habits include:
    1. Using clean sanitary pads or reusable cloth pads and changing them regularly.
    2. Maintaining personal hygiene by washing the pubic region properly to prevent infections.
    3. Properly wrapping used sanitary pads in paper before disposing of them inside a covered dustbin to maintain environmental cleanliness and community health.
  • 8. Likitha and Vijay were classmates and good friends. On turning 11, Likitha developed a little bulge on the front of her neck. She visited the doctor who gave her medication and asked to take iodine-rich diet. Similarly, a bump was developed on the front of Vijay's neck when he turned 12. However, the doctor told him that it was a part of growing up. According to you, what could be the possible reason for advising Likitha and Vijay differently?
    The bump on Vijay's neck was the Adam's apple, which is a normal structural enlargement of the voice box in adolescent boys during puberty. In contrast, Likitha's bulge on the neck indicated a thyroid-related health issue (such as goitre) requiring medication and an iodine-rich diet.
Page 220 - Let Us Enhance Our Learning (Continued)
  • 9. During adolescence, the boys and girls undergo certain physical changes, a few of which are given below.
    (i) Change in voice (ii) Development of breasts (iii) Growth of moustache (iv) Growth of facial hair (v) Pimples on the face (vi) Growth of hair in the pubic region (vii) Growth of hair in armpits
    Categorise these changes in the table given below:
    Observed only in boys Observed only in girls Common in boys and girls
    (iii) Growth of moustache
    (iv) Growth of facial hair
    (ii) Development of breasts (i) Change in voice
    (v) Pimples on the face
    (vi) Growth of hair in the pubic region
    (vii) Growth of hair in armpits
  • 10. Prepare a poster mentioning the tips for adolescents to live a healthy lifestyle.
    Tips for a Healthy Lifestyle:
    1. Eat a nutritious, balanced diet rich in proteins, carbohydrates, fats, vitamins, and minerals.
    2. Maintain personal hygiene, especially during menstruation and physical activities.
    3. Engage in regular physical exercise, games, and sports to stay fit.
    4. Practice positive life skills such as coping with stress and effective communication.
    5. Stay away from addictive substances and firmly say 'NO' to tobacco, alcohol, and drugs.
  • 11. Ramu struggles to adjust in the hostel with his peer group. What life skills should he acquire?
    Ramu should acquire the following life skills to adjust well and manage his daily life smoothly:
    1. Effective Communication: Speaking politely and listening actively.
    2. Interpersonal Relationships: Building healthy, respectful, and supportive relationships with peers.
    3. Coping with Emotions and Stress: Recognizing and managing strong feelings and handling pressures positively.
    4. Problem-Solving and Decision-Making: Finding practical solutions to conflicts and weighing outcomes before choosing options.

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