Practice CBSE Class 8 Science Reaching The Age of Adolescence MCQs provided below. The MCQ Questions for Class 8 Chapter 10 Reaching the Age of Adolescence Science with answers and follow the latest CBSE/ NCERT and KVS patterns. Refer to more Chapter-wise MCQs for CBSE Class 8 Science and also download more latest study material for all subjects
MCQ for Class 8 Science Chapter 10 Reaching the Age of Adolescence
Class 8 Science students should review the 50 questions and answers to strengthen understanding of core concepts in Chapter 10 Reaching the Age of Adolescence
Chapter 10 Reaching the Age of Adolescence MCQ Questions Class 8 Science with Answers
Question. The period of life, when the body undergoes changes, leading to reproductive maturity, is called
a) childhood
b) adolescence
c) Grown up
d) Old age
Answer: B
Question. The human body undergoes several changes during adolescence. These changes mark the onset of
a) Puberty
b) Prematurity
c) Post adolescence
d) ageing
Answer: A
Question. Adam’s apple is prominent in
a) Boys of any age
b) Adolescent girls
c) Girls of any age
d) Adolescent boys
Answer: D
Question. Larynx is also called
a) Voice box
b) Sound box
c) Black box
d) All of the above
Answer: A
Question. Acne and pimples on the face is due to secretion of
a) bile from liver
b) Oil glands during puberty
c) Enzymes in the digestive tract
d) Tear from tear glands
Answer: B
Question. Testosterone is a hormone found in human ___
a) Children
b) males and females
c) Females only
d) Males only
Answer: D
Question. The first menstrual flow is called
a) Menstruation
b) Mensuration
c) Menarche
d) Menopause
Answer: C
Question. Menopause occurs at the age of
a) 10-12 years in boys
b) 45-50 years in men
c) 10-12 years in girls
d) 45-50 years in women
Answer: D
Question. When a sperm containing Y chromosome fertilizes an egg with X chromosome, the zygote develops into a _____ child
a) Female
b) Either a male or female
c) Male
d) No child
Answer: C
Question. The change from larvae to adult is called
a) Metabolism
b) Metamorphosis
c) Metastasis
d) Morphology
Answer: B
Question: The male hormone is
a) Testosterone
b) Estragon
c) Projestrone
d) All of these
Answer: A
Question: The number of chromosomes are present in human cell.
a) 23 pairs
b) 22 pairs
c) 24 pairs
d) 24 pairs
Answer: A
Question: Puberty age in females is
a) 10 - 12 years
b) 12 - 14 years
c) 8 - 10 years
d) More than 14 years
Answer: A
Question: Fertilisation is called
a) Fusion of sperms and eggs
b) To produce sperm
c) To produce eggs
d) All of these
Answer: A
Question: The period of maturity of reproductive organs is called.
a) Adolescene period
b) Mensuration
c) Gestation period
d) None of the options
Answer: A
Question: Initially girls grow _____ than boys.
a) Faster
b) Slower
c) Faster and slower
d) None of the options
Answer: A
Question: There are__ __ pairs of chromosome in human cell.
a) 23
b) 46
c) 22
d) All are wrong
Answer: A
Question: Thyroxin produced by
a) Thyroid gland
b) Pituitary gland
c) Adrenal gland
d) Testes
Answer: A
Question: The egg is
a) Female gamete
b) Egg gamete
c) Egg gamete and female gamete
d) None of the options
Answer: A
Question: Larynx is called
a) Voice box
b) Music box
c) Respiratory organ
d) None of the options
Answer: A
(a) 23
(b) 46
(c) 22
(d) All are wrong
(a) insulin
(b) thyroxine
(c) growth
(d) adrenalin
(a) leafy vegetabks
(b) citrus
(c) meat
(d) all of these
(a) Estragon
(b) Projestrone
(c) Testosterone
(a) Ovulation
(b) Enlargement of breasts
(c) Broadening of hips
(d) All of these
(a) with lymph
(b) by ducts
(c) with blood
(d) none of these
Free study material for Science
MCQs for Chapter 10 Reaching the Age of Adolescence Science Class 8
Students can use these MCQs for Chapter 10 Reaching the Age of Adolescence to quickly test their knowledge of the chapter. These multiple-choice questions have been designed as per the latest syllabus for Class 8 Science released by CBSE. Our expert teachers suggest that you should practice daily and solving these objective questions of Chapter 10 Reaching the Age of Adolescence to understand the important concepts and better marks in your school tests.
Chapter 10 Reaching the Age of Adolescence NCERT Based Objective Questions
Our expert teachers have designed these Science MCQs based on the official NCERT book for Class 8. We have identified all questions from the most important topics that are always asked in exams. After solving these, please compare your choices with our provided answers. For better understanding of Chapter 10 Reaching the Age of Adolescence, you should also refer to our NCERT solutions for Class 8 Science created by our team.
Online Practice and Revision for Chapter 10 Reaching the Age of Adolescence Science
To prepare for your exams you should also take the Class 8 Science MCQ Test for this chapter on our website. This will help you improve your speed and accuracy and its also free for you. Regular revision of these Science topics will make you an expert in all important chapters of your course.
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