Practicing Class 7 Science MCQ and Class 7 Science Chapter 6 Adolescence A Stage of Growth and Change MCQ Questions Online Test with Answers daily helps in time management.
Class 7 Adolescence A Stage of Growth and Change MCQ with Answers
MCQ on Adolescence A Stage of Growth and Change Class 7
Class 7 Science Chapter 6 Adolescence A Stage of Growth and Change MCQ Questions with Answers
Question 1.
Adolescence typically occurs between the ages of:
(a) 5-12 years
(b) 10-19 years
(c) 20-25 years
(d) 30-40 years
Answer:
(b) 10-19 years
Question 2.
Which of the following is a physical change that occurs during adolescence?
(a) Deepening of voice in boys
(b) Decrease in height
(c) Loss of hair
(d) Decrease in weight
Answer:
(a) Deepening of voice in boys
Question 3.
The voice box in boys grows during adolescence and is called the:
(a) Voice bud
(b) Throat bump
(c) Sound organ
(d) Adam’s apple
Answer:
(d) Adam’s apple
Question 4.
Which nutrient helps in the formation of blood?
(a) Calcium
(b) Vitamin C
(c) Iron
(d) Protein
Answer:
(c) Iron
Question 5.
How often does the menstrual cycle generally occur?
(a) Every 28-30 days
(b) Every 10-15 days
(c) Every 20-25 days
(d) Every 40-45 days
Answer:
(a) Every 28-30 days
Adolescence A Stage of Growth and Change Class 7 Assertion-Reason Type Questions
Assertion-Reason questions Directions: Each of the questions
(i) and (ii) contain two statements – first ‘Assertion’ and second ‘Reason’. Select the correct answer to these questions from the codes (a), (b), (c) or (d) as given below:
(a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
(b) Both Assertion and Reason are true and Reason is NOT the correct explanation of Assertion.
(c) Assertion is true and Reason is false.
(d) Assertion is false and Reason is true.
(i) Assertion (A): Acne and pimples are common during adolescence.
Reason (R): During adole-scence, the skin produces more oil, which can clog pores.
Answer:
(a) Both (A) and (R) are true, and (R) is the correct explanation of (A).
Explanation:
Acne is common in adolescents because hormonal changes cause increased oil secretion. This oil can clog skin pores, leading to pimples.
(ii) Assertion (A): Menstruation begins in girls after the age of 40.
Reason (R): Menstruation is a natural process that occurs as part of puberty.
Answer:
(d) (A) is false, but (R) is true.
Explanation:
Menstruation begins during adolescence, usually around the age of 10¬14, not after 40. However, it is indeed a natural process that begins at puberty.
Adolescence A Stage of Growth and Change Class 7 Fill in the blanks
1. Adolescents are advised to say ‘NO’ to harmful substances like ________, alcohol, and drugs.
Answer:
Tobacco
2. One of the emotional changes in adolescence is ________ where feelings change rapidly.
Answer:
Mood swings
3. ________ is the chemical substance in our body that controls growth and development during adolescence.
Answer:
Hormone
4. A balanced diet includes carbohydrates, proteins, fats, vitamins, and ________.
Answer:
Minerals
5. ________ involves the use of digital devices to harass others.
Answer:
Cyberbullying
Adolescence A Stage of Growth and Change Class 7 True or False
Question 1.
The Adam’s apple is a growth in the female voice box.
Answer:
False
Explanation:
The Adam’s apple is a growth in the male voice box
Question 2.
Puberty is the stage when the body becomes capable of reproduction.
Answer:
True
Question 3.
Acne during adolescence is caused by dry skin.
Answer:
False
Explanation:
Acne is caused by increased oily secretions, not dry skin)
Question 4.
Boys and girls both develop hair in armpits and pubic regions during adolescence.
Answer:
True
Question 5.
Girls experience menstruation as a part of adolescence.
Answer:
True
Adolescence A Stage of Growth and Change Class 7 Match the following
Question 1.
Match the following:
| Column A | Column B |
| 1. Menstruation | (a) Use of digital devices to harass others |
| 2. Cyberbullying | (b) Monthly cycle in girls. |
Answer:
| Column A | Column B |
| 1. Menstruation | (b) Monthly cycle in girls. |
| 2. Cyberbullying | (a) Use of digital devices to harass others |