Students can practice the best Class 7 Science MCQ and Adolescence A Stage of Growth and Change Class 7 Science Curiosity Chapter 6 MCQ Online Test with Answers for exam preparation.
Class 7 Science Chapter 6 Adolescence A Stage of Growth and Change MCQ
Adolescence A Stage of Growth and Change MCQ Class 7
MCQ On Adolescence A Stage of Growth and Change Class 7
Question 1.
Which chemicals plays significant role in growth:
(a) Hormones
(b) Digestion
(c) Circulation
(d) Excretion
Answer:
(a) Hormones
Question 2.
Which of these is not a secondary sexual character?
(a) Hair growth on body
(b) Increase in height
(c) Weight gain
(d) Release of a hormone
Answer:
(a) Hair growth on body
Question 3.
The adolescents should:
(a) exercise regularly
(b) take part in games
(c) keep their body fit
(d) all of these
Answer:
(d) all of these
Question 4.
Menstrual cycle reoccur at about:
(a) 10-15 days
(b) 28-30 days
(c) 4-20 days
(d) 20-25 days
Answer:
(b) 28-30 days
Question 5.
The girls in adolescent age undergo:
(a) change in height
(b) weight gain
(c) develop breasts
(d) all of these
Answer:
(d) all of these
Question 6.
For proper growth of body, adolescents need:
(a) fats
(b) carbohydrates
(c) proteins
(d) All of these
Answer:
(d) All of these
Question 7.
Proteins are necessary for:
(a) proper growth
(b) to gain strength
(c) to improve energy level
(d) all of these
Answer:
(d) all of these
Question 8.
The hormones are produced our body. They are:
(a) chemicals
(b) minerals
(c) vitamins
(d) none of these
Answer:
(a) chemicals
Question 9.
What marks the onset of adolescence in humans?
(a) Birth
(b) Puberty
(c) Infancy
(d) Old age
Answer:
(b) Puberty
Question 10.
Which hormone is primarily responsible for changes during adolescence?
(a) Insulin
(b) Estrogen
(c) Growth hormone
(d) Sex hormones
Answer:
(d) Sex hormones
Question 11.
Which change is considered a secondary sexual characteristic in girls?
(a) Menstruation
(b) Growth of breasts
(c) Voice box development
(d) Facial hair
Answer:
(b) Growth of breasts
Question 12.
What is the term for the monthly discharge of blood in females?
(a) Menopause
(b) Fertilization
(c) Menstruation
(d) Ovulation
Answer:
(c) Menstruation
Question 13.
Which of the following is NOT a sign of puberty in boys?
(a) Growth of facial hair
(b) Development of breasts
(c) Deepening of voice
(d) Broadening of shoulders
Answer:
(b) Development of breasts
Question 14.
What is the Adam’s apple associated with?
(a) Growth of bones
(b) Vocal cords
(c) Facial hair
(d) Teeth development
Answer:
(b) Vocal cords
Question 15.
What causes acne and pimples during adolescence?
(a) Water retention
(b) Poor diet
(c) Hormonal changes
(d) Lack of sleep
Answer:
(c) Hormonal changes
Question 16.
What is the main function of iron in the adolescent body?
(a) Builds muscles
(b) Enhances memory
(c) Forms blood
(d) Improves eyesight
Answer:
(c) Forms blood
Question 17.
Which practice helps maintain menstrual hygiene?
(a) Using dirty clothes
(b) Using reusable pads
(c) Avoiding bathing
(d) Sharing pads
Answer:
(b) Using reusable pads
Question 18.
What does the term ‘secondary sexual characteristics’ refer to?
(a) Reproductive organs
(b) Emotional traits
(c) Features distinguishing males and females
(d) Nutritional needs
Answer:
(c) Features distinguishing males and females
Question 19.
Which vitamin deficiency may lead to blood-related issues in adolescent girls?
(a) Vitamin A
(b) Vitamin B12
(c) Vitamin C
(d) Vitamin D
Answer:
(b) Vitamin B12
Question 20.
What is the purpose of the Rashtriya Kishor Swasthya Karyakram (RKSK)?
(a) Promote farming
(b) Promote menstrual hygiene
(c) Promote adult literacy
(d) Provide employment
Answer:
(b) Promote menstrual hygiene
Question 21.
Which of these is a healthy coping mechanism for mood swings?
(a) Skipping meals
(b) Playing video games nonstop
(c) Engaging in sports or music
(d) Avoiding all interaction
Answer:
(c) Engaging in sports or music
Question 22.
What is the main reason for emotional changes during adolescence?
(a) Increase in sleep
(b) Increase in cell size
(c) Hormonal fluctuations
(d) Lack of interest in studies
Answer:
(c) Hormonal fluctuations
Question 23.
Why is personal hygiene especially important during adolescence?
(a) To look good
(b) To prevent infections
(c) To attract peers
(d) To feel confident
Answer:
(b) To prevent infections
Question 24.
What is cyberbullying?
(a) Posting motivational quotes online
(b) Online health education
(c) Online harassment
(d) Learning via videos
Answer:
(c) Online harassment
Question 25.
What is the purpose of biodegradable sanitary pads?
(a) Save money
(b) Reduce menstrual flow
(c) Environment-friendly disposal
(d) Quick drying
Answer:
(c) Environment-friendly disposal
Question 26.
What should adolescents do when emotionally confused or pressured?
(a)Stay silent
(b) Ignore it
(c) Seek guidance from trusted adults
(d) Avoid everyone
Answer:
(c) Seek guidance from trusted adults
Adolescence A Stage of Growth and Change Class 7 Assertion Reason Questions
Given below are two statements, one is labelled as Assertion (A) while the other is labelled as Reason (R).
(a) Both (A) and (R) are true and (R) is correct explanation of (A).
(b) Both (A) and (R) are true and (R) is not correct explanation of (A).
(c) (A) is true but (R) is false.
(d) (A) is false but (R) is true.
1. Assertion (A): Bidi, cigarettes, gutka, tobacco are harmful substances.
Reason (R): They are harmful to our physical and mental health.
Answer:
(b) Both (A) and (R) are true and (R) is not correct explanation of (A).
2. Assertion (A): Puberty ends when an adolescent reaches reproductive maturity.
Reason (R): The period of adolescence varies from person to person.
Answer:
(b) Both (A) and (R) are true and (R) is not correct explanation of (A).
3. Assertion (A): An adolescent may feel insecure while trying to adjust to the changes in the body and mind.
Reason (R): An adolescent brain has the greatest capacity for learning.
Answer:
(b) Both (A) and (R) are true and (R) is not correct explanation of (A).
4. Assertion (A): During menstruation, blood is discharged from the body as part of the cycle.
Reason (R): Menstruation lasts for eight to fifteen days.
Answer:
(c) (A) is true but (R) is false.
Adolescence A Stage of Growth and Change Class 7 Fill in the Blanks
1. The stage between 10-19 years is called ________.
Answer:
adolescence
2. ________ refers to a stage when body of an adolescent undergoes external and internal changes for reproducing.
Answer:
Puberty
3. ________ stops at the age of 45-55 years in females.
Answer:
Menstruation
4. Strong ________ increase sensitivity and compassion.
Answer:
emotions
5. Calcium, fats, proteins are helpful in bone ________.
Answer:
growth
6. Mostly, the girls suffer from blood related ________.
Answer:
problems
7. The sanitary pads are disposed off in a ________.
Answer:
dustbin
8. Tobacco, bidi, gutka, alcohol etc. are ________substances.
Answer:
harmful
9. ________ control changes in body of adolescents.
Answer:
Hormones
10. During addition, take proper advice of a ________.
Answer:
doctor
Adolescence A Stage of Growth and Change Class 7 True or False
1. All parts of body grow at same time in adolescence.
Answer: False
2. The larynx is bigger in boys.
Answer: True
3. Menstrual cycle occurs in girls.
Answer: True
4. Iron helps information of blood.
Answer: True
5. ‘Shuchi Scheme’ in Karnataka is a state level initiative.
Answer: True
6. The hormones affect mood as well as behaviour of a person.
Answer: True
7. Sanitary pads by females are used to maintain menstrual hygiene.
Answer: True
8. Physical exercises keep our body unfit.
Answer: False
9. Under RKSK Scheme sanitary pads are distributed free of charge.
Answer: False
10. Mammary glands develop in boys.
Answer: False