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CBSE Class 8  >  Class 8 Notes  >  Science   >  Worksheet: Reaching the Age of Adolescence

Reaching The Age Of Adolescence Important Notes - Class 8 Science | Complete Learning Material PDF

Multiple-Choice Questions (MCQs)

Q1: Adolescence typically begins around the age of:
A. 5 years
B. 8 years
C. 11 years
D. 25 years

Q2: Which gland is often referred to as the "master gland" because it controls the release of many hormones?
A. Thyroid gland
B. Pituitary gland
C. Pancreas
D. Adrenal gland

Q3: The prominent protrusion in a boy's neck that develops during puberty is commonly called:
A. Voice box
B. Adam's apple
C. Vocal cord
D. Thyroxine lump

Q4: In females, the first menstrual flow at the onset of puberty is known as: 
A. Menopause
B. Foetus
C. Metamorphosis
D. Menarche

Q5: Secondary sexual characteristics in males and females are largely regulated by:
A. Digestive enzymes
B. Hormones
C. Blood vessels
D. Vitamins

Fill-in-the-Blanks

Q1: _____________________ is the phase of development that marks the transition from childhood to adulthood. 

Q2: The increase in _____________________ secretion during puberty can lead to acne and pimples.Fill-in-the-Blanks

Q3: During puberty, the ________________ in males begin to produce the hormone testosterone.

Q4: The thickened lining of the uterus, along with the unfertilized egg, is shed from the body during _____________________.

Q5: For healthy growth during adolescence, a ________________ diet that includes proteins, carbohydrates, fats, vitamins, and minerals is crucial.

True/False Statements

Q1: Adolescence involves not only physical changes but also emotional and intellectual development.

Q2: Girls typically begin adolescence and puberty later than boys.

Q3: Thyroxine, produced by the thyroid gland, is necessary for the metamorphosis of tadpoles into frogs.

Q4: The pituitary gland directly secretes estrogen and testosterone.

Q5: The Adam's apple is more prominent in boys due to the growth of the larynx during puberty.

Very Short Answer Questions

Q1: Which gland secretes insulin hormone? 

Q2: What element is needed for thyroxine production? 

Q3:Why is exercise important during adolescence? 

 Q4: What is a naturally balanced food for infants? 

Q5: Why is an iron mineral important for our body? Write some iron-rich foods. 

Q6: Name the endocrine gland attached to the brain. 

Q7: What is the function of the adrenalin hormone in the body? 

Q8: What is the most conspicuous change during puberty? 

Q9: Define adolescence. 

Q10:  Why early marriage and motherhood is harmful to girls? 

Q11: Why do young people get acne? 

Q12: What is the effect of a larger voice box on grown-up boys? 

Q13: What is menstruation? Explain.

Q14: How does the height of boys and girls change during puberty? 

Q15: What are sex hormones? Why are they named so? State their function.

You can find Worksheet Solutions here: Worksheet Solutions: Reaching the Age of Adolescence

The document Worksheet: Reaching the Age of Adolescence is a part of the Class 8 Course Science Class 8.
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FAQs on Worksheet: Reaching the Age of Adolescence

1. What are the main physical changes that occur during adolescence?
Ans. During adolescence, individuals experience significant physical changes due to hormonal changes. These include growth spurts, development of secondary sexual characteristics such as breast development in girls and facial hair in boys, and changes in body composition and muscle mass.
2. How do emotional changes affect adolescents?
Ans. Adolescents often experience intense emotional changes as they navigate their developing identities and social relationships. They may experience mood swings, increased sensitivity, and a stronger desire for independence, which can lead to conflicts with parents and peers.
3. What is the importance of peer relationships during adolescence?
Ans. Peer relationships become increasingly important during adolescence as individuals seek acceptance and belonging. These relationships can influence behavior, self-esteem, and social skills, making them critical for social development during this stage.
4. How can parents support their children during the adolescent years?
Ans. Parents can support their children during adolescence by maintaining open communication, offering guidance while allowing independence, and being understanding of the emotional changes their children are experiencing. Engaging in activities together can also strengthen the parent-child bond.
5. What role do hormones play in the changes experienced during adolescence?
Ans. Hormones play a crucial role in the changes experienced during adolescence. They trigger physical growth, sexual maturation, and emotional fluctuations. The increase in hormones like estrogen and testosterone influences both physical development and behavior.
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