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Adolescence: A Stage of Growth and Change

CBSE · Class 7 · Science

Quick revision notes for Adolescence: A Stage of Growth and Change — CBSE Class 7 Science. Key concepts, formulas, and definitions for last-minute revision.

42 questions64 flashcards5 concepts

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Key Topics to Revise

1

1. Meaning of Adolescence and Puberty

  • Human life stages are infancy, childhood, adolescence, adulthood, and old age.
  • Adolescence is the stage of human life between childhood and adulthood.
  • It typically occurs between 10 and 19 years of age.
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2. Physical Changes During Adolescence

  • Height increases rapidly during adolescence.
  • Boys may gain weight, become broader in the shoulders, and develop a wider chest.
  • Girls also grow in height and weight, and breasts develop.
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3. Menstrual Cycle and Reproductive Changes

  • Menstruation is an important internal change in adolescent girls.
  • The menstrual cycle generally recurs every 28-30 days.
  • Healthy variation of 21-35 days is also normal.
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4. Emotional and Behavioural Changes

  • Adolescence is often marked by stronger emotions than childhood.
  • Mood swings are common during this stage.
  • Adolescents may become more sensitive and may feel excitement, confusion, or both.

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Key Concepts

Adolescence is the stage of humanPuberty is the stage inThese are features that help distinguishIn girlsHormones are chemicals produced in

Frequently Asked Questions

What are the important topics in Adolescence: A Stage of Growth and Change for CBSE Class 7 Science?
Adolescence: A Stage of Growth and Change covers several key topics that are frequently asked in CBSE Class 7 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Adolescence: A Stage of Growth and Change — CBSE Class 7 Science?
Understand the core concepts first, then work through the 42 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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