NCERT Class 7 Science MCQ | Chapter 6: Adolescence: A Stage of Growth and Change
1. What is adolescence?
(A) The stage between childhood and adulthood
(B) The stage before infancy
(C) The stage of old age
(D) The stage immediately after birth
Answer: (A) The stage between childhood and adulthood
2. What is the period of adolescence generally associated with?
(A) Rapid physical, emotional and mental changes
(B) No changes in the body
(C) Only changes in height
(D) Only changes in handwriting
Answer: (A) Rapid physical, emotional and mental changes
3. What are the physical changes that occur during adolescence mainly related to?
(A) Growth and development of the body
(B) Loss of all body functions
(C) Stopping of growth
(D) Changes only in skin colour
Answer: (A) Growth and development of the body
4. Which of the following is a common change during adolescence?
(A) Increase in height
(B) Permanent stopping of growth
(C) Loss of all body hair
(D) Decrease in body size in every case
Answer: (A) Increase in height
5. What is puberty?
(A) The period when the body undergoes changes that lead towards reproductive maturity
(B) The period immediately after birth
(C) The stage of old age
(D) A period when no physical changes occur
Answer: (A) The period when the body undergoes changes that lead towards reproductive maturity
6. Which hormones play an important role in bringing about changes during puberty?
(A) Sex hormones
(B) Digestive enzymes only
(C) Salivary enzymes only
(D) Blood cells
Answer: (A) Sex hormones
7. Which gland is often called the master gland because it regulates the activities of several other endocrine glands?
(A) Pituitary gland
(B) Sweat gland
(C) Salivary gland
(D) Oil gland
Answer: (A) Pituitary gland
8. What are hormones?
(A) Chemical substances produced by endocrine glands that regulate various functions of the body
(B) Structures that make up bones
(C) Types of blood cells
(D) Digestive organs
Answer: (A) Chemical substances produced by endocrine glands that regulate various functions of the body
9. Which hormone is mainly responsible for the development of male secondary sexual characteristics?
(A) Testosterone
(B) Insulin
(C) Thyroxine
(D) Adrenaline
Answer: (A) Testosterone
10. Which hormone is mainly associated with the development of female secondary sexual characteristics?
(A) Estrogen
(B) Insulin
(C) Adrenaline
(D) Thyroxine
Answer: (A) Estrogen
11. Which of the following changes may occur in boys during puberty?
(A) Growth of facial hair
(B) Complete stopping of height increase
(C) Loss of all body hair
(D) Disappearance of the voice
Answer: (A) Growth of facial hair
12. Which of the following changes may occur in girls during puberty?
(A) Development of breasts
(B) Growth of a beard in every case
(C) Complete stopping of physical development
(D) Disappearance of body hair
Answer: (A) Development of breasts
13. What happens to the voice of many boys during adolescence?
(A) It may become deeper
(B) It always becomes higher
(C) It disappears temporarily
(D) It remains exactly the same in every person
Answer: (A) It may become deeper
14. Which of the following is an important part of maintaining health during adolescence?
(A) Eating a balanced diet
(B) Skipping meals regularly
(C) Avoiding physical activity completely
(D) Sleeping very little
Answer: (A) Eating a balanced diet
15. Why is a balanced diet important during adolescence?
(A) The body needs nutrients for growth and development
(B) It prevents all physical growth
(C) It replaces the need for sleep
(D) It stops hormonal changes
Answer: (A) The body needs nutrients for growth and development
16. Which nutrient is especially important for the growth and repair of body tissues?
(A) Protein
(B) Water only
(C) Fibre only
(D) Salt only
Answer: (A) Protein
17. Why is iron important in the diet of adolescents?
(A) It helps in the formation of haemoglobin
(B) It makes bones completely flexible
(C) It stops growth
(D) It replaces the need for proteins
Answer: (A) It helps in the formation of haemoglobin
18. Which of the following is a healthy habit during adolescence?
(A) Regular physical activity
(B) Skipping breakfast every day
(C) Avoiding sleep
(D) Eating only packaged food
Answer: (A) Regular physical activity
19. Why is adequate sleep important during adolescence?
(A) It supports healthy growth and overall well-being
(B) It stops the body from developing
(C) It prevents learning
(D) It replaces the need for a balanced diet
Answer: (A) It supports healthy growth and overall well-being
20. Which of the following can help maintain personal hygiene during adolescence?
(A) Regular bathing and keeping the body clean
(B) Avoiding bathing for long periods
(C) Sharing personal towels with everyone
(D) Wearing unwashed clothes regularly
Answer: (A) Regular bathing and keeping the body clean
21. Why may pimples appear more frequently during adolescence?
(A) Increased activity of oil glands in the skin
(B) Complete absence of hormones
(C) Lack of bones in the skin
(D) Stopping of growth
Answer: (A) Increased activity of oil glands in the skin
22. Which statement about adolescence is correct?
(A) Changes during adolescence vary from person to person
(B) Everyone experiences changes at exactly the same age
(C) Adolescence involves only physical changes
(D) Adolescence is a disease
Answer: (A) Changes during adolescence vary from person to person
23. Why should adolescents avoid comparing their physical development with that of others?
(A) The timing and rate of development can differ from person to person
(B) Everyone develops in exactly the same way
(C) Physical development never occurs during adolescence
(D) Development depends only on height
Answer: (A) The timing and rate of development can differ from person to person
24. Which of the following is important for maintaining emotional well-being during adolescence?
(A) Talking to trusted adults and friends about concerns
(B) Keeping every problem completely hidden
(C) Avoiding all social interaction
(D) Ignoring feelings completely
Answer: (A) Talking to trusted adults and friends about concerns
25. Which statement best describes adolescence?
(A) It is an important stage of growth and development involving physical, emotional and social changes
(B) It is a stage in which the body stops developing
(C) It involves only an increase in height
(D) It is a period without any hormonal changes
Answer: (A) It is an important stage of growth and development involving physical, emotional and social changes
