MCQ Questions | Class 8 Science Chapter 10 | Reaching the Age of Adolescence with Answers

MCQ | Reaching the Age of Adolescence Class 8

Check the below NCERT MCQ Questions for Class 8 Science Chapter 10 Reaching the Age of Adolescence with Answers Pdf free download. MCQ Questions for Class 8 Science with Answers were prepared based on the latest exam pattern. We have Provided Reaching the Age of Adolescence Class 8 Science MCQs Questions with Answers to help students understand the concept very well.

Objective Question | NCERT Science Class 8

NCERT Solutions Class 8 Science
Book:	National Council of Educational Research and Training (NCERT)
Board:	Central Board of Secondary Education (CBSE)
Class:	8th
Subject:	Science
Chapter:	10
Chapters Name:	Reaching the Age of Adolescence
Medium:	English

Ncert Solutions for Class 8 Science | Objective Type Questions

You can refer to NCERT Solutions for Class 8 Science Chapter 10 Reaching the Age of Adolescence to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Reaching the Age of Adolescence | Class 8 Science | NCERT Solutions

Q1.	mcq questions for class 8 science Puberty age in males is
	A. 12 – 14 years
	B. 13 – 15 years
	C. 10 – 12 years
	D. 18 – 20 years

Ans: 12 – 14 years

Q2.	mcq questions for class 8 science chapter 10 Thyroxine hormone is produced by
	A. adrenal gland
	B. testes
	C. pituitary gland
	D. thyroid gland

Ans: thyroid gland

Q3.	mcq questions for class 8 science reaching the age of adolescence The male hormone is called
	A. estrogen
	B. testosterone
	C. thyroxine
	D. insulin

Ans: testosterone

Q4.	mcq questions class 8 science pdf The female hormone is called
	A. estrogen
	B. testosterone
	C. adrenaline
	D. none of these

Ans: estrogen

Q5.	mcq questions class 8 science pdf with answer Adolescence is the period of
	A. 5 to 10 years
	B. 11 to 19 years
	C. 22 to 28 years
	D. 30 to 40 years

Ans: 11 to 19 years

Q6.	mcq questions for class 8 science with answers chapter 10 How many pairs of Chromosomes are found in nuclei of their cells?
	A. 22 pairs
	B. 23 pairs
	C. 24 pairs
	D. 25 pairs

Ans: 25 pairs

Q7.	ncert class 8 science book Which of the following combination of chromosomes lead to the birth of a baby boy:
	A. XX
	B. XY
	C. X
	D. Y

Ans: XY

Q8.	ncert class 8 science book pdf Children gain height during
	A. adolescence
	B. endocrine
	C. balanced food
	D. menarche

Ans: adolescence

Q9.	ncert class 8 science chapter 10 All human beings have pairs of chromosomes in the nuclei of their cells.
	A.22
	B.2
	C.23
	D.46

Ans: 23

Q10.	ncert science class 8 book Testes secrete
	A. thyroxin
	B. estrogen
	C. testosterone
	D. iodine

Ans: testosterone

Q11.	ncert science class 8 chapter 10 The unfertilised egg always has X chromosome.
	A. two
	B. four
	C. one
	D. none of these

Ans: one

Q12.	ncert science class 8 solutions Adam’s apple is
	A. enlarged larynx
	B. mammary glands
	C. apple of adam
	D. red apple

Ans: enlarged larynx

Q13.	ncert science class 8 textbook pdf ‘Goitre’ is a disease of
	A. adrenal gland
	B. pancreas
	C. thyroid gland
	D. none of these

Ans: thyroid gland

Q14.	cbse class 8 science book The chemical substances which are secreted from endocrine glands are called
	A. puberty
	B. hormones
	C. estrogen
	D. adolescence

Ans: hormones

Q15.	cbse class 8 science book pdf download Which or ht ronowing proIdes iron to our body:
	A. leafy vegetabks
	B. citrus
	C. meat
	D. all of these

Ans: leafy vegetabks

Q16.	cbse class 8 science chapter 10 Out of these which one determines the sex of the baby?
	A. Hormones
	B. Chloroplast
	C. Chromosomes
	D. Pituitary gland

Ans: Chromosomes

Q17.	cbse class 8 science notes pdf Adreanlia hormone is produced by:
	A. pituitary gland
	B. thyroid gland
	C. adrenal gland
	D. pancreas

Ans: adrenal gland

Q18.	cbse science class 8 book What is the stoppage of menstruation called?
	A. Menarche
	B. Menopause
	C. Gametes
	D. Insulin

Ans: Menopause

Q19.	cbse science class 8 book pdf Whea the sperm contributes a Y-chromosome to the egg (ovum) at fertllisatin than the zygole would develop into a:
	A. femaict,hild
	B. malechild
	C. either female or male child
	D. none of these