Adolescence: A Stage of Growth and Change — Important Questions
CBSE · Class 7 · Science
42 important questions from Adolescence: A Stage of Growth and Change for CBSE Class 7 Science, with answers. Part of the CBSE Class 7 Science syllabus.
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Important Questions from Adolescence: A Stage of Growth and Change
Which of the following are secondary sexual characteristics in boys?
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Growth of facial hair, Deepening of voice, Broadening of shoulders, Growth of body hair
Secondary sexual characteristics in boys include facial hair growth, voice deepening, shoulder broadening, and body hair growth. Breast development occurs in girls, not boys.
Which nutrients are especially important for bone growth during adolescence?
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Calcium, Proteins, Vitamin D
Calcium, proteins, and Vitamin D are crucial for optimal bone growth during adolescence. These nutrients help in building strong bones and supporting rapid growth.
The menstrual cycle typically occurs every:
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28-30 days
The menstrual cycle generally recurs every 28-30 days, though healthy girls may have cycles ranging from 21-35 days, which is completely normal.
Which of the following are good practices for maintaining personal hygiene during adolescence?
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Regular bathing, Using sanitary pads during menstruation, Maintaining cleanliness of armpits, Proper disposal of sanitary products
Good hygiene practices include regular bathing, using sanitary pads during menstruation, maintaining cleanliness especially in areas with hair growth, and proper disposal of hygiene products.
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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