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Chapters
2: Microorganisms : Friend and Foe
3: Coal and Petroleum
4: Combustion and Flame
5: Conservation of Plants and Animals
6: Reproduction in Animals
▶ 7: Reaching the Age of Adolescence
8: Force and Pressure
9: Friction
10: Sound
11: Chemical Effects of Electric Current
12: Some Natural Phenomena
13: Light
![NCERT solutions for Science [English] Class 8 chapter 7 - Reaching the Age of Adolescence - Shaalaa.com](/images/science-english-class-8_6:a1e5555c9030490085f2eedec974d08f.jpg "NCERT solutions for Science [English] Class 8 chapter 7 - Reaching the Age of Adolescence")
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Solutions for Chapter 7: Reaching the Age of Adolescence
Below listed, you can find solutions for Chapter 7 of CBSE NCERT for Science [English] Class 8.
NCERT solutions for Science [English] Class 8 7 Reaching the Age of Adolescence Exercises [Pages 90 - 92]
What is the term used for chemical secretions of endocrine glands responsible for changes taking place in the body?
Define adolescence.
What is menstruation? Explain.
List changes in the body that take place at puberty.
Prepare a table having two columns depicting names of endocrine glands and hormones secreted by them.
What are sex hormones? Why are they named so?
State function of sex hormones?
Choose the correct option.
Adolescents should be careful about what they eat, because ____________.
proper diet develops their brains.
proper diet is needed for the rapid growth taking place in their body.
adolescents feel hungry all the time.
taste buds are well developed in teenagers.
Reproductive age in women starts when their ______.
menstruation starts.
breasts start developing.
body weight increases.
height increases.
The right meal for adolescents consists of ______.
chips, noodles, coke.
chapati, dal, vegetables.
rice, noodles and burger.
vegetable cutlets, chips and lemon drink.
Write notes on Adam’s apple.
Write notes on secondary sexual characters.
Write notes on sex determination in the unborn baby.
Word game: Use the clues to work out the words.
Across
3. Protruding voice box in boys
4. Glands without ducts
7. Endocrine gland attached to brain
8. Secretion of endocrine glands
9. Pancreatic hormone
10. Female hormone
Down
1. Male hormone
2. Secretes thyroxin
3. Another term for teenage
5. Hormone reaches here through blood stream
6. Voice box
7. Term for changes at adolescence
The table below shows the data on likely heights of boys and girls as they grow in age. Draw graphs showing height and age for both boys and girls on the same graph paper. What conclusions can be drawn from these graphs?
| Age (Years) | Height (cm) | |
| Boys | Girls | |
| 0 | 53 | 53 |
| 4 | 96 | 92 |
| 8 | 11 | 110 |
| 12 | 129 | 133 |
| 16 | 150 | 150 |
| 20 | 173 | 165 |
Solutions for 7: Reaching the Age of Adolescence
NCERT solutions for Science [English] Class 8 chapter 7 - Reaching the Age of Adolescence
Shaalaa.com has the CBSE Mathematics Science [English] Class 8 CBSE solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. NCERT solutions for Mathematics Science [English] Class 8 CBSE 7 (Reaching the Age of Adolescence) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. NCERT textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.
Concepts covered in Science [English] Class 8 chapter 7 Reaching the Age of Adolescence are Sex Determination, Adolescence and Puberty, Changes at Puberty, Secondary Sex Characteristics, Role of Hormones in Initiating Reproductive Function, Reproductive Phase of Life in Humans, Hormones Other than Sex Hormones, Reproductive Health, Role of Hormones in Completing the Life History of Insects and Frogs, Nutritional Needs of Adolescents, Personal Hygiene for Adolescence, Sex Determination, Adolescence and Puberty, Changes at Puberty, Secondary Sex Characteristics, Role of Hormones in Initiating Reproductive Function, Reproductive Phase of Life in Humans, Hormones Other than Sex Hormones, Reproductive Health, Role of Hormones in Completing the Life History of Insects and Frogs, Nutritional Needs of Adolescents, Personal Hygiene for Adolescence.
Using NCERT Science [English] Class 8 solutions Reaching the Age of Adolescence exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in NCERT Solutions are essential questions that can be asked in the final exam. Maximum CBSE Science [English] Class 8 students prefer NCERT Textbook Solutions to score more in exams.
Get the free view of Chapter 7, Reaching the Age of Adolescence Science [English] Class 8 additional questions for Mathematics Science [English] Class 8 CBSE, and you can use Shaalaa.com to keep it handy for your exam preparation.
