CBSE Class 8 Science Reaching The Age of Adolescence MCQs

Refer to CBSE Class 8 Science Reaching The Age of Adolescence MCQs provided below. CBSE Class 8 Science MCQs with answers available in Pdf for free download. The MCQ Questions for Class 8 Science with answers have been prepared as per the latest syllabus, CBSE books and examination pattern suggested in Class 8 by CBSE, NCERT and KVS. Multiple Choice Questions for Chapter 10 Reaching the Age of Adolescence are an important part of exams for Class 8 Science and if practiced properly can help you to get higher marks. 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 refer to the following multiple-choice questions with answers for Chapter 10 Reaching the Age of Adolescence in Class 8. These MCQ questions with answers for Class 8 Science will come in exams and help you to score good marks

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

Chapter 10

REACHING THE AGE OF ADOLESCENCE

 

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

 

8  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


Question. There are__ __ pairs of chromosome in human cell.
(a) 23
(b) 46
(c) 22
(d) All are wrong
 
Answer : A
 
Question. Which of the following hormones is secreted by pituitary gland:
(a) insulin
(b) thyroxine
(c) growth
(d) adrenalin
 
Answer : C
 
Question. Progesterone level falls during
(a) Menopause
(b) Lactation
(c) Gestation
(d) Menstruation
 
Answer : A
 
Question. Which one is another terms for teenage is
(a) Maturity
(b) Puberty
(c) Adolescence
(d) Thyroid
 
Answer : C
 
Question. Which or ht ronowing proIdes iron to our body:
(a) leafy vegetabks
(b) citrus
(c) meat
(d) all of these
 
Answer : A
 
Question. The male hormone is
(a) Estragon
(b) Projestrone
(c) Testosterone
(d) All of these
 
Answer : C
 
Question. Which of the following will occur in females at puberty?
(a) Ovulation
(b) Enlargement of breasts
(c) Broadening of hips
(d) All of these
 
Answer : A
 
Question. In girls, secondary sexual characteristics develop between
(a) 9 and 11 years.
(b) 11 and 14 years.
(c) 15 and 18 years.
(d) 19 and 21 years.
 
Answer : B
 
Question. Hormones reaches to different parts:
(a) with lymph
(b) by ducts
(c) with blood
(d) none of these
 
Answer : C
 
Question. Which chromosomes determine the sex of an individual?
(a) Autosomes
(b) Allosomes
(c) Plasmid
(d) Giant chromosomes
 
Answer : B
 
 


Chapter 01 Crop Production and Management
CBSE Class 8 Science Crop Production and Management MCQs
Chapter 02 Microorganisms Friend or Foe
CBSE Class 8 Science Microorganisms Friend or Foe MCQs
Chapter 03 Synthetic Fibres and Plastics
CBSE Class 8 Science Synthetic Fibre and Plastics MCQs
Chapter 04 Materials Metals and Non Metals
CBSE Class 8 Science Materials Metals and Non Metals MCQs
Chapter 05 Coal and Petroleum
CBSE Class 8 Science Coal and Petroleum MCQs
Chapter 06 Combustion and Flame
CBSE Class 8 Science Combustion and Flame MCQs
Chapter 07 Conservation of Plants and Animals
CBSE Class 8 Science Conservation of Plants and Animals MCQs
Chapter 08 Cell Structure and Functions
CBSE Class 8 Science Cell Structure and Functions MCQs
Chapter 09 Reproduction in Animals
CBSE Class 8 Science Reproduction in Animals MCQs
Chapter 10 Reaching the Age of Adolescence
CBSE Class 8 Science Reaching The Age of Adolescence MCQs
Chapter 11 Force and Pressure
CBSE Class 8 Science Force and Pressure MCQs
Chapter 14 Chemical Effects of Electric Current
CBSE Class 8 Science Chemical Effect of Electric Current MCQs
Chapter 15 Some Natural Phenomena
CBSE Class 8 Science Some Natural Phenomena MCQs
Chapter 17 Stars and The Solar System
CBSE Class 8 Science Stars and Solar System MCQs
Chapter 18 Pollution of Air and Water
CBSE Class 8 Science Pollution of Air and Water MCQs

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