NCERT MCQ Solutions for Class 8 Science Chapter 7 Reaching the Age of Adolescence for Session 2025-26. MCQs gives accurate and simplified answers to all important multiple-choice questions based on puberty, hormones and adolescence-related changes. These solutions help students strengthen their conceptual clarity and perform better in exams through regular practice. Special focus is given to scientific terms like reproductive health, endocrine glands and secondary sexual characters, making this resource ideal for quick revision and self-assessment.
Class 8 Science Chapter 7 Solution
Class 8 Science MCQ
Class 8 All Subjects MCQ
Class 8 Science Chapter 7 MCQ Online Practice
Q1. What is the period of life when the body undergoes changes leading to reproductive maturity called?
[A]. Adulthood
[B]. Infancy
[C]. Adolescence
[D]. Childhood
Q2. At what age does adolescence generally begin?
[A]. 11-12 years
[B]. 18-19 years
[C]. 25 years
[D]. 5-6 years
Q3. Which of the following is the most noticeable change during puberty?
[A]. Sudden increase in height
[B]. Loss of teeth
[C]. Darkening of skin
[D]. Change in eye color
Q4. What is the term for the protruding part of the throat in boys caused by the growing voice box?
[A]. Larynx
[B]. Adam’s apple
[C]. Pituitary
[D]. Thyroid
Class 8 Science Chapter 7 Quiz Revision
Q5. Which glands become more active during puberty, leading to acne and pimples?
[A]. Thyroid and adrenal glands
[B]. Pituitary and pineal glands
[C]. Salivary and lacrimal glands
[D]. Sweat and sebaceous glands
Q6. What is the female hormone responsible for the development of breasts?
[A]. Estrogen
[B]. Thyroxine
[C]. Adrenalin
[D]. Testosterone
Q7. Which gland is known as the “master gland” because it controls other endocrine glands?
[A]. Adrenal
[B]. Thyroid
[C]. Pituitary
[D]. Pancreas
Q8. What determines the sex of an unborn baby?
[A]. Environmental factors
[B]. The mother’s age
[C]. The father’s sex chromosomes
[D]. The mother’s diet
Class 8 Science Chapter 7 MCQ Explanation
Q9. What is the term for the first menstrual flow in girls?
[A]. Ovulation
[B]. Fertilization
[C]. Menarche
[D]. Menopause
Q10. Which hormone is responsible for the metamorphosis of tadpoles into frogs?
[A]. Estrogen
[B]. Adrenalin
[C]. Thyroxine
[D]. Insulin
Q11. What is the legal age for marriage for girls in India?
[A]. 18 years
[B]. 21 years
[C]. 25 years
[D]. 16 years
Q12. Which of the following is NOT a secondary sexual characteristic in boys?
[A]. Deepening of voice
[B]. Broadening of shoulders
[C]. Development of breasts
[D]. Growth of facial hair
Class 8 Science Chapter 7 Quiz for Exam
Q13. What is the term for the stoppage of menstruation in women?
[A]. Puberty
[B]. Ovulation
[C]. Menopause
[D]. Menarche
Q14. Which of the following is a balanced meal for adolescents?
[A]. Burger and coke
[B]. Rice, dal, and vegetables
[C]. Vegetable cutlets and chips
[D]. Chips and noodles
Q15. What is the function of adrenalin?
[A]. Helps the body adjust to stress
[B]. Controls growth
[C]. Stimulates egg production
[D]. Regulates blood sugar
Q16. Which of the following is a myth about adolescence?
[A]. Proper diet is essential for growth.
[B]. Hormones control changes during puberty.
[C]. Menstruation is a natural process.
[D]. A girl becomes pregnant if she looks at boys during menstruation.
Class 8 Science Chapter 7 MCQs
Q17. What is the role of insulin in the body?
[A]. Regulates salt balance
[B]. Regulates blood sugar
[C]. Stimulates growth
[D]. Controls metamorphosis
Q18. Which of the following is NOT a change observed in girls during puberty?
[A]. Development of breasts
[B]. Growth of facial hair
[C]. Onset of menstruation
[D]. Widening of hips
Q19. What is the term for the release of a mature egg from the ovary?
[A]. Fertilization
[B]. Ovulation
[C]. Menarche
[D]. Menstruation
Q20. Why is early marriage discouraged for girls?
[A]. It delays menarche.
[B]. Teenage mothers are not prepared mentally or physically for motherhood.
[C]. It causes hormonal imbalances.
[D]. It leads to financial instability.
