Reaching the Age of Adolescence
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Adolescence and Physical Changes at Puberty
SubtopicAdolescence and Physical Changes at Puberty under Reaching the Age of Adolescence for Grade 8 CBSE.
Preview questions (no answers)
- 1.
During adolescence, the increased secretion of which glands can lead to increased body odor?
A.Thyroid glands
B.Sweat and oil glands
C.Pituitary glands
D.Adrenal glands
- 2.
The most conspicuous (noticeable) change during puberty is the:
A.Change in eye color
B.Sudden increase in height
C.Growth of fingernails
D.Change in blood group
- 3.
Growth in humans stops at the end of the adolescence period. After this, which of the following is true?
A.Height continues to increase until age 40
B.Only certain parts of the body like hair and nails grow
C.The body stops all biological processes
D.The person becomes shorter
Download the worksheet for Reaching the Age of Adolescence - Adolescence and Physical Changes at Puberty to practice offline. It includes additional chapter-level practice questions.
Secondary Sexual Characteristics
SubtopicSecondary Sexual Characteristics under Reaching the Age of Adolescence for Grade 8 CBSE.
Preview questions (no answers)
- 1.
The production of both male and female sex hormones is regulated by which gland?
A.Pituitary gland
B.Adrenal gland
C.Liver
D.Pancreas
- 2.
Adolescents are often called 'teenagers' because the period covers the ages of:
A.5 to 9
B.13 to 19
C.20 to 29
D.1 to 12
- 3.
Which of the following is a result of the hormone estrogen?
A.Cracking of voice
B.Growth of mustache
C.Breast development
D.Broadening of shoulders
Download the worksheet for Reaching the Age of Adolescence - Secondary Sexual Characteristics to practice offline. It includes additional chapter-level practice questions.
Role of Endocrine Glands and Hormones
SubtopicRole of Endocrine Glands and Hormones under Reaching the Age of Adolescence for Grade 8 CBSE.
Preview questions (no answers)
- 1.
What is the primary function of thyroxine in the human body?
A.Maintaining salt balance
B.Regulating growth
C.Controlling the rate of metabolism
D.Regulating sugar level
- 2.
Which of these is NOT a function of the pituitary gland?
A.Secreting growth hormone
B.Regulating the thyroid gland
C.Secreting insulin
D.Regulating the adrenal gland
- 3.
Hormones are secreted by endocrine glands directly into the blood. What is the name of the specific part of the body where a hormone acts?
A.Starting site
B.End site
C.Target site
D.Hormonal site
Download the worksheet for Reaching the Age of Adolescence - Role of Endocrine Glands and Hormones to practice offline. It includes additional chapter-level practice questions.
Reproductive Phase of Life in Humans
SubtopicReproductive Phase of Life in Humans under Reaching the Age of Adolescence for Grade 8 CBSE.
Preview questions (no answers)
- 1.
The period of life when the body undergoes changes leading to reproductive maturity is known as:
A.Adolescence
B.Childhood
C.Adulthood
D.Senescence
- 2.
Which gland secretes hormones that stimulate the maturation of eggs in the ovaries?
A.Adrenal
B.Pituitary
C.Pancreas
D.Thyroid
- 3.
Adolescents should avoid 'chips and packed snacks' as regular meals because:
A.They are too expensive
B.They do not have adequate nutritional value
C.They make people too tall
D.They are only for children
Download the worksheet for Reaching the Age of Adolescence - Reproductive Phase of Life in Humans to practice offline. It includes additional chapter-level practice questions.
Sex Determination and Reproductive Health
SubtopicSex Determination and Reproductive Health under Reaching the Age of Adolescence for Grade 8 CBSE.
Preview questions (no answers)
- 1.
How many chromosomes are found in a human female's skin cell?
A.None
B.One
C.Two
D.Twenty-three
- 2.
Which of these statements is scientific and true?
A.The mother is responsible for the sex of the baby
B.Chromosomes in the sperm determine the baby's sex
C.Menstruation is a disease
D.Eating pickles causes acne
- 3.
What is the role of fruits and vegetables in a balanced diet?
A.They provide only fats
B.They provide vitamins and minerals
C.They are the only source of protein
D.They have no nutritional value
Download the worksheet for Reaching the Age of Adolescence - Sex Determination and Reproductive Health to practice offline. It includes additional chapter-level practice questions.