Reaching The Age Of Adolescence Class 7 (Complete Notes, MCQs, HOTS & Q&A)
Introduction | परिचय
English ( Reaching The Age Of Adolescence Class 7 )
Adolescence is the stage of life between childhood and adulthood. During this period, children experience rapid physical, mental, emotional, and social changes due to hormonal changes.
हिन्दी
किशोरावस्था (Adolescence) बचपन और वयस्कता के बीच का संक्रमण काल है। इस अवस्था में शरीर, मन, भावनाओं तथा व्यवहार में अनेक परिवर्तन होते हैं, जिनका मुख्य कारण हार्मोन होते हैं।
Table of Contents
- What is Adolescence?
- What is Puberty?
- Characteristics of Adolescence
- Physical Changes
- Emotional Changes
- Mental & Social Changes
- Hormones and Endocrine Glands
- Importance of Balanced Diet
- Personal Hygiene
- Good Habits During Adolescence
- Abbreviations
- Key Points
- Important MCQs
- HOTS Questions
- Short & Long Questions
- FAQs
- Conclusion
- PREVIOUS TOPIC : Nutrition in Plants AND Questions and Answers
What is Adolescence? | किशोरावस्था क्या है?
English
Adolescence is the period when a child grows into an adult. It generally begins around 10–19 years.
हिन्दी
किशोरावस्था वह अवस्था है जिसमें बच्चा धीरे-धीरे वयस्क बनता है। यह सामान्यतः 10–19 वर्ष की आयु के बीच होती है।
What is Puberty? | यौवनारंभ (Puberty)
English
Puberty is the stage when the reproductive organs become mature and secondary sexual characteristics develop.
हिन्दी
यौवनारंभ वह अवस्था है जब प्रजनन अंग परिपक्व होने लगते हैं तथा शरीर में द्वितीयक लैंगिक लक्षण विकसित होते हैं।
Characteristics of Adolescence
| English | हिन्दी |
|---|---|
| Rapid growth | तेज़ शारीरिक विकास |
| Hormonal changes | हार्मोनल परिवर्तन |
| Emotional changes | भावनात्मक परिवर्तन |
| Mental development | मानसिक विकास |
| Social awareness | सामाजिक जागरूकता |
Physical Changes | शारीरिक परिवर्तन
Boys
- Voice becomes deeper.
- Shoulders become broader.
- Growth of facial and body hair.
- Increase in height and muscles.
हिन्दी
- आवाज भारी हो जाती है।
- कंधे चौड़े होते हैं।
- दाढ़ी-मूँछ आने लगती है।
- लंबाई और मांसपेशियाँ बढ़ती हैं।
Girls
- Breast development.
- Hips become broader.
- Menstruation begins.
- Increase in height.
हिन्दी
- स्तनों का विकास।
- कूल्हे चौड़े होते हैं।
- मासिक धर्म शुरू होता है।
- लंबाई बढ़ती है।
Emotional Changes | भावनात्मक परिवर्तन
English
- Mood swings
- Increased sensitivity
- Self-awareness
- Curiosity
- Stress and anxiety
हिन्दी
- मनोदशा में बदलाव
- भावुकता
- आत्म-जागरूकता
- जिज्ञासा
- तनाव
Mental & Social Changes
English
- Better thinking ability
- Independent decision making
- Strong friendships
- Development of responsibility
हिन्दी
- सोचने-समझने की क्षमता बढ़ती है।
- स्वयं निर्णय लेने की क्षमता विकसित होती है।
- मित्रता का महत्व बढ़ता है।
- जिम्मेदारी की भावना विकसित होती है।
Hormones and Endocrine Glands
| Gland | Hormone | Function |
|---|---|---|
| Pituitary | Growth Hormone | Body growth |
| Thyroid | Thyroxine | Metabolism |
| Testes | Testosterone | Male characteristics |
| Ovaries | Estrogen | Female characteristics |
हिन्दी
- पिट्यूटरी ग्रंथि – वृद्धि हार्मोन
- थायरॉयड – थायरॉक्सिन
- वृषण – टेस्टोस्टेरोन
- अंडाशय – एस्ट्रोजन
Balanced Diet During Adolescence
English
Adolescents need:
- Protein
- Calcium
- Iron
- Vitamins
- Fruits
- Vegetables
- Milk
हिन्दी
किशोरों को चाहिए—
- प्रोटीन
- कैल्शियम
- आयरन
- विटामिन
- फल
- सब्जियाँ
- दूध
Personal Hygiene | व्यक्तिगत स्वच्छता
- Daily bath
- Clean clothes
- Oral hygiene
- Hand washing
- Menstrual hygiene
- Regular exercise
Good Habits During Adolescence
| Eat healthy food |
| Sleep 8–9 hours |
| Exercise daily |
| Avoid tobacco and alcohol |
| Stay positive |
| Respect parents and teachers |
Important Abbreviations ( Reaching The Age Of Adolescence Class 7 )
| Abbreviation | Full Form |
|---|---|
| BMI | Body Mass Index |
| DNA | Deoxyribonucleic Acid |
| WHO | World Health Organization |
| RBC | Red Blood Cell |
| WBC | White Blood Cell |
Key Points (Quick Revision)
| Adolescence is the transition from childhood to adulthood. |
| Puberty begins during adolescence. |
| Hormones control body changes. |
| Boys and girls experience different physical changes. |
| Emotional changes are normal. |
| Balanced diet is essential. |
| Personal hygiene prevents diseases. |
| Regular exercise keeps the body healthy. |
Important MCQs ( Reaching The Age Of Adolescence Class 7 )
1. Adolescence is the period between
A. Birth and infancy
B. Childhood and adulthood
C. Old age and adulthood
D. None
✅ Answer: B
2. Puberty is mainly controlled by
A. Bones
B. Hormones
C. Muscles
D. Skin
✅ Answer: B
3. Which gland releases growth hormone?
A. Thyroid
B. Pituitary
C. Pancreas
D. Liver
✅ Answer: B
4. Testosterone is produced in
A. Ovaries
B. Heart
C. Testes
D. Kidney
✅ Answer: C
5. Estrogen is produced in
A. Testes
B. Ovaries
C. Brain
D. Lungs
✅ Answer: B
6. Menstruation occurs in
A. Boys
B. Girls
C. Both
D. None
✅ Answer: B
7. Balanced diet should contain
A. Protein only
B. Vitamins only
C. All nutrients
D. Sugar only
✅ Answer: C
8. Which is a healthy habit?
A. Smoking
B. Junk food
C. Exercise
D. Alcohol
✅ Answer: C
9. Mood swings are common during
A. Childhood
B. Adolescence
C. Old age
D. Infancy
✅ Answer: B
10. WHO stands for
A. World Health Organization
B. World Human Office
C. Health Welfare Office
D. World Home Organization
✅ Answer: A
HOTS Questions ( Reaching The Age Of Adolescence Class 7 )
Q1. Why do adolescents require more nutritious food?
Answer: Because rapid growth increases the body’s need for energy, proteins, vitamins, and minerals.
हिन्दी: तीव्र शारीरिक विकास के कारण पौष्टिक भोजन की आवश्यकता अधिक होती है।
Q2. Why do adolescents experience mood swings?
Answer: Hormonal changes affect emotions and behavior.
Q3. Why is personal hygiene especially important during puberty?
Answer: Increased sweating and hormonal changes can cause body odor and infections if hygiene is poor.
Q4. How does regular exercise benefit adolescents?
Answer: It strengthens muscles, bones, mental health, and overall fitness.
Q5. Why is adolescence called a stage of growth and change?
Answer: Because physical, emotional, mental, and social development occurs rapidly during this stage.
Short Answer Questions
Q1. What is adolescence?
Adolescence is the stage between childhood and adulthood.
Q2. What is puberty?
Puberty is the stage when reproductive organs become mature.
Q3. Name two hormones involved in adolescence.
Growth Hormone and Testosterone/Estrogen.
Q4. Why is balanced diet important?
It supports healthy growth and development.
Q5. Mention two healthy habits.
Regular exercise and maintaining personal hygiene.
Long Answer Questions
Explain the physical and emotional changes during adolescence.
Physical Changes:
- Increase in height
- Voice changes
- Development of secondary sexual characteristics
- Growth of reproductive organs
Emotional Changes:
- Mood swings
- Increased sensitivity
- Curiosity
- Development of self-confidence
Explain the role of hormones in adolescence.
Hormones produced by endocrine glands regulate growth, development, metabolism, and reproductive maturity. They are responsible for the physical and emotional changes that occur during puberty.
Frequently Asked Questions (FAQs)
What is adolescence?
It is the stage between childhood and adulthood.
What is puberty?
Puberty is the process of attaining reproductive maturity.
Which hormone controls growth?
Growth Hormone (GH).
Why do boys’ voices become deeper?
Because of testosterone during puberty.
Why is iron important during adolescence?
Iron helps produce healthy red blood cells and prevents anemia.
How can adolescents stay healthy?
By eating a balanced diet, exercising regularly, maintaining hygiene, and getting enough sleep.
Conclusion
Adolescence is one of the most important stages of life, marked by rapid physical, emotional, mental, and social development. Understanding puberty, hormonal changes, healthy habits, and personal hygiene helps students make informed decisions and maintain a healthy lifestyle. Regular revision of these notes, MCQs, HOTS, and question answers will strengthen concepts and improve exam performance.
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