Reaching The Age Of Adolescence Class 8 Worksheet with Solved in Pdf
Reaching The Age Of Adolescence Class 8 Worksheet: In this page we have included Reaching The Age Of Adolescence Chapter from Grade 8 Worksheet with solution.
Worksheet for chapter 10: – Reaching The Age Of Adolescence
The following questions are important for your exams for 1 mark 2 mark or 5 marks. First solve the questions on your own and then saw the solution for understanding it better.
Practice worksheet for class 8
Q.) A.) Fill in the blanks.
1.) The changes which occur at adolescence are controlled by hormones.
2.) The female hormone is estrogen.
3.) The testes and ovaries secret sex hormones.
4.) A male has one X and one Y chromosome.
5.) Adrenals also produce the hormone adrenalin.
Q.)B.) Answer in one word.
- Change from larva to adult is called
Answer:- Metamorphosis
- The thread like structure
Answer:- Chromosomes
- The first menstrual flow begins at puberty
Answer:- Menarche
- Stoppage of menstruation
Answer:- Menopause
- Male hormone
Answer:- Testosterone
Q.)C.) Answer in one sentence.
Q.)1.) What is adolescence?
Answer:- When the body goes under changes with reproductive maturity is called adolescence.
Q.2.) How to calculate the height?
Answer:- Calculation for full height (cm)
Present height cm is divided by % of full height at this age and multiplied by 100
Q.3.) What is Adam’s apple?
Answer:- The growing voice box in boys can be seen as a protruding part of the throat is called as Adam’s apple.
Q.4.) What is target site ?
Answer:- Endocrine glands release hormones into blood stream to reach a particular body part is called target site.
Q.5.) Which diet is good for adolescence?
Answer:- Iron builds blood and iron-rich food such as leafy vegetables, jaggery, meat, citrus, Indian gooseberry (amla) are good for adolescents.
Q.6. Which hormone is produced by thyroid?
Answer:- Thyroxin hormone is produced by thyroid.
Q.) D.) Long answers.
1.) List the changes in the body at age of puberty.
Answer:-
1.) Increase in height
2.) Change in body shape.
3.) Change in voice.
4.) Increased activity of sweat glands and sebaceous glands.
5.) Development of sex organs.
Q.2.) Explain menstruation.
Answer:- 1. Menstruation occurs once in about 28 to 30 days.
- The ova begin to mature with the onset of puberty.
- One ovum is matured and released by one of the ovaries once in about 28 to 30 days.
- During these period, the wall of the uterus begins to be thick so as to receive the egg, in case it is fertilized and begins to develop.
- If fertilization does not occur the eggs with thickened uterus along with blood vessels gets shed off.
- This process causes bleeding in women and is called menstruation.
Reaching The Age Of Adolescence Class 8 worksheet