Class 8 Reaching The Age Of Adolescence CBSE Questions & Answers

Class 8 · Reaching The Age Of Adolescence

This is Science Class 8 Reaching the Age of Adolescence CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Chips and packed snacks should never replace regular meals as they do not have
  • A
    Sufficient sugar and salt
  • B
    Hygienic value
  • C
    Adequate nutritional value
    Correct
  • D
    Adequate fats and protein
2
Which of the following disease is sexually transmitted?
  • A
    Tuberculosis
  • B
    AIDS
    Correct
  • C
    Common cold
  • D
    Pneumonia
3
At puberty women start producing
  • A
    Urine
  • B
    Young ones
  • C
    Ova
    Correct
  • D
    Sperms
4
Which of the following contain iron rich food?
  • A
    Leafy vegetable
    Correct
  • B
    Potato
  • C
    Polished rice
  • D
    Brinjal
5
Which of the following minerals is essential constituent of hemoglobin of blood?
  • A
    Iodine
  • B
    Iron
    Correct
  • C
    Calcium
  • D
    Magnesium
6
Walking and playing in fresh air keeps the body
  • A
    Fit and healthy
    Correct
  • B
    Attractive and beautiful
  • C
    Smelly and unhygienic
  • D
    All of the above
7
In India legal age for marriage is ------------ for boys and girls respectively.
  • A
    21 years and 18 years
    Correct
  • B
    15 years and 18 years
  • C
    18 years and 21 years
  • D
    12 years and 16 years
8
Which of the following is correct statement?
  • A
    Menstruation starts at the age of 25
  • B
    Ovulation occurs in the middle of menstrual cycle
    Correct
  • C
    Boys attain puberty earlier than girls
  • D
    The mother is responsible for the sex of child
9
AIDS is caused by dangerous virus called
  • A
    HIV
    Correct
  • B
    Bacteriophage
  • C
    Rhesus
  • D
    T- virus
10
Which of the following activity do not cause HIV infection?
  • A
    Shaking hands with HIV positive person
    Correct
  • B
    Sexual contact with HIV infected person
  • C
    Sharing syringe with HIV infected person
  • D
    Infected mother to their child
11
We should not use drugs as they are
  • A
    Very costly
  • B
    Not available easily
  • C
    Banned by government
  • D
    Addictive
    Correct
12
The period of life, where body undergoes changes leading to reproductive maturity is called
  • A
    Grown up
  • B
    Adolescence
    Correct
  • C
    Puberty
  • D
    Old age
13
In girls, 77 percent of height is completed at the age of
  • A
    8 years
    Correct
  • B
    14 years
  • C
    10 years
  • D
    12 years
14
Puberty ends when an adolescent reaches
  • A
    Maximum height
  • B
    Mental growth
  • C
    Reproductive maturity
    Correct
  • D
    Physical growth
15
Initially girls grow faster than boys. At what age both reaches to their maximum height?
  • A
    15 years
  • B
    12 years
  • C
    18 years
    Correct
  • D
    13 years