CBSE Class 8 Science Reaching the age of Adolescence Assignment Set F

Read and download free pdf of CBSE Class 8 Science Reaching the age of Adolescence Assignment Set F. Get printable school Assignments for Class 8 Science. Class 8 students should practise questions and answers given here for Chapter 10 Reaching The Age Of Adolescence Science in Class 8 which will help them to strengthen their understanding of all important topics. Students should also download free pdf of Printable Worksheets for Class 8 Science prepared as per the latest books and syllabus issued by NCERT, CBSE, KVS and do problems daily to score better marks in tests and examinations

Assignment for Class 8 Science Chapter 10 Reaching The Age Of Adolescence

Class 8 Science students should refer to the following printable assignment in Pdf for Chapter 10 Reaching The Age Of Adolescence in Class 8. This test paper with questions and answers for Class 8 Science will be very useful for exams and help you to score good marks

Chapter 10 Reaching The Age Of Adolescence Class 8 Science Assignment

 

 

1.Why should teenagers take a bath at least once everyday?

2.What are chromosomes?

3.What is the period of adolescence?

4.What do you understand by the term adolescence?

5.When does the puberty end?

6.What causes increase in height of the person during puberty?

7.Why is it necessary to eat right kind of food during the growing years?

8.What is the other name for voice box in males?

9.Why does the voice of boys become hoarse during the age of adolescence?

10.How many pairs of chromosomes are there in the cells of human beings?

11.What determines the sex of an unborn baby?

12.Why is iron necessary for the body?

13.Name the male and female hormones that are secreted at the onset of puberty

14.What is the function of mammary glands?

15.Name the gland whose secretion control the secretion of sex hormones.

16.Name the hormone that causes metamorphosis in frogs.

17.What will be the sex of the individual with sex chromosomes as XY?

18.What is the period of reproductive phase in females?

19.There are ___ pairs of chromosomes in human cells

(A) 21 (B) 22 (C) 23 (D) 24

20.End of menstruation is called:

(A) Puberty (B) Menarche (C) Menopause (D) Adolescence

21.Adolescence begins around the age of:

(A) 8-9 years (B) 11-12 years (C) 13-14 years (D) 15-16 years

22.Adolescence lasts upto the age of:

(A) 18-19 years (B) 21-22 years (C) 23-24 years (D) 25-26 years

23.Organs that secrete Estrogen are:

(A) Testes (B) Ovaries (C) Pituitary (D) Adrenals

24.After puberty, boys and girls become capable of:

(A) Respiration (B) Marriage (C) Reproduction (D) Moving out

25.Percentage of full height at the age of 15 years in girls is:

(A) 90% (B) 95% (C) 98% (D) 99%

26.Which of the following statement is true?

(A) Growth rate is same in all the individuals. (B) Height depends on genes inherited from parents.

(C) Growth takes place after the stage of adolescence (D) All of the above

27.Which of the following statement is false?

(A) Drugs are additive. (B) Drugs harm our body.

(C) Drugs ruin health and happiness. (D) Everyone should take drugs to get relief.

28.Voice boxes in boys are:

(A) Larger than voice boxes in females (B) Smaller than voice boxes in girls

(C) Equal in size to the voice box of girls (D) None of the above

29.Voice of girls is:

(A) Deep (B) High-pitched

(C) Low-pitched (D) Both (a) and (c)

30.Sebaceous glands secrete:

(A) Sweat (B) Oily secretion (C) Hormones (D) All of the above

31.Male sex organs are:

(A) Testes and Penis (B) Ovaries and Fallopian tube (C) Testes and ovaries (D) Testes and Fallopian tube

32.Gametes are produced by:

(A) Testes (B) Ovaries (C) Both (a) and (b) (D) None of the above

33.Development of facial hair is a:

(A) Primary sexual character (B) Secondary sexual character

(C) Both (a) and (b) (D) None of the above

34.Chemical substances that control changes during adolescence are:

(A) Glands (B) Sweat (C) Oily secretions (D) Hormones

35.Legal age of marriage for girls in India is:

(A) 17 years (B) 18 years (C) 20 years (D) 21 years

36.Legal age of marriage for boys in India is:

(A) 17 years (B) 18 years (C) 20 years (D) 21 years

37.Virus that causes AIDS is:

(A) HVV (B) HIV (C) IHV (D) HAV

38.Which of the following is true?

(A) AIDS is transmitted through physical contact. (B) AIDS is transmitted through food.

(C) AIDS is transmitted through sexual contact. (D) AIDS is transmitted through water.

39.Gland that controls the secretions of other glands is:

(A) Pancreas (B) Testes (C) Adrenal (D) Pituitary

40.Diabetes is caused due to decreased secretion of:

(A) Growth hormone (B) Adrenalin (C) Insulin (D) Thyroxin

41.Age of menopause is:

(A) 11-12 years (B) 18-19 years (C) 45-50 years (D) 55-60 years

42.In insects, insect hormones control:

(A) Reproduction (B) Nutrition (C) Respiration (D) Metamorphosis

 

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CBSE Class 8 Science Chapter 10 Reaching The Age Of Adolescence Assignment

We hope you liked the above assignment for Chapter 10 Reaching The Age Of Adolescence which has been designed as per the latest syllabus for Class 8 Science released by CBSE. Students of Class 8 should download and practice the above Assignments for Class 8 Science regularly. We have provided all types of questions like MCQs, short answer questions, objective questions and long answer questions in the Class 8 Science practice sheet in Pdf. All questions have been designed for Science by looking into the pattern of problems asked in previous year examinations. 

Assignment for Science CBSE Class 8 Chapter 10 Reaching The Age Of Adolescence

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Chapter 10 Reaching The Age Of Adolescence Assignment Science CBSE Class 8

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Chapter 10 Reaching The Age Of Adolescence Assignment CBSE Class 8 Science

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