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Class 8 Science Chapter 10

NCERT Solutions for Class 8 Science Chapter 10 Reaching the Age of Adolescence

In Class 8 Science Chapter 10: Reaching the Age of Adolescence, one learns about the growing increases in physical and hormonal changes as children grow into adolescence. In the chapter, topics include puberty, the endocrine system, secondary sexual characteristics, and reproductive health.

NCERT Solutions for Class 8 Science help students understand the answers to questions from this chapter and, hence, make it clear. The solutions are really great resources for giving a final touch to exam preparation and gaining an in-depth knowledge of the chapter.

NCERT Solutions for Class 8 Science Chapter 10 Reaching the Age of Adolescence

1.0Key Points to Remember in Chapter - Reaching the Age of Adolescence

  • Puberty: The age when reproductive organs become functionally active.
  • Adolescence: A period of physical and emotional changes leading to reproductive maturity (11–19 years).
  • Secondary Sexual Characteristics: External changes include facial hair in boys, breast development in girls, voice changes, and body hair growth.
  • Role of Hormones: Hormones like testosterone and estrogen control puberty changes, secreted by endocrine glands like the pituitary and thyroid.
  • Reproductive Phase: The period of gamete production. Menarche marks the start of menstruation, while menopause ends it.
  • Menstrual Cycle: Monthly uterine wall shedding if fertilization does not occur, leading to menstruation.
  • Reproductive Health: Defined by WHO as emotional, physical, and social well-being during adolescence.
  • Nutritional Needs: Adolescents require a balanced diet rich in proteins, vitamins, and minerals (calcium, iodine, iron).
  • Personal Hygiene: Keeping the body clean from head to toe to prevent infections.

2.0How NCERT Solutions Help in Understanding Adolescence

The Reaching the Age of Adolescence Class 8 PDF NCERT Solutions explains complex concepts in a simple manner. ALLEN experts provide such elaborate and well-structured NCERT solutions to help students grasp these topics well.

Frequently Asked Questions

The onset of puberty is initiated by hormonal changes within the body, mainly testosterone in boys and estrogen in girls.

Reproductive health ensures total well-being; in the process of educating, it prevents misconceptions and promotes hygiene and safe practices.

The pituitary gland is the master gland, which regulates all the hormones involved in growth and puberty changes.

Students can regulate emotional changes by having open communication, seeking counsel, and maintaining a balanced life.

A balanced diet enables physical development, maintains hormonal balance, and overall.

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