By tackling these Class 7 Science MCQ and Adolescence A Stage of Growth and Change Class 7 Science Curiosity Chapter 6 MCQ Online Test with Answers, students will build a solid foundation in the topic.
Class 7 Science Chapter 6 Adolescence A Stage of Growth and Change MCQ
Adolescence A Stage of Growth and Change MCQ
Class 7 Science Chapter 6 MCQ Online Test
Question 1.
Generally, what is the time period for adolescence?
(a) 5-10 years
(b) 11-19 years
(c) 20-25 years
(d) 25-30 years
Answer:
(b) 11-19 years
Question 2.
What is the reason behind hoarseness of voice in boys?
(a) Increased lungs
(b) Change in teeths
(c) Thickness in tongue
(d) Development of voice-box
Answer:
(d) Development of voice-box
Question 3.
What is Adam’s Apple?
(a) Bulge because of development of voice-box
(b) A specific type of cancer in throat
(c) A jewellery for neck
(d) Thyroid gland
Answer:
(a) Bulge because of development of voice-box
Question 4.
What is the reason of pimples?
(a) Due to drinking more water
(b) Extra activeness of sebacious glands
(c) Spending too much time in sunlight
(d) Due to bathing with cold water
Answer:
(b) Extra activeness of sebacious glands
Question 5.
What is a main symptom of puberty in girls?
(a) Appearance of beard
(b) Hoarseness in voice
(c) Development of breasts
(d) Broadness of chest
Answer:
(c) Development of breasts
Question 6.
What is the general period of menstrual cycle?
(a) 10-15 days
(b) 28-30 days
(c) 45-50 days
(d) 60-70 days
Answer:
(b) 28-30 days
Question 7.
Which nutritional element is needed the most in adolescence?
(a) Fat
(b) Carbohydrate
(c) Protein
(d) All of the above
Answer:
(c) Protein
Question 8.
Chemical substances, which controls the growth and development are called
(a) Hormone
(b) Vitamin
(c) Enzyme
(d) Protein
Answer:
(a) Hormone
Question 9.
What is the habit of intoxicants called?
(a) Allergy
(b) Addiction
(c) Infection
(d) Nutrition
Answer:
(b) Addiction
Question 10.
With which of the follow ing ‘Suchi Scheme’ is related?
(a) With yoga education
(b) With free education
(c) With menstrual hygiene
(d) With sports
Answer:
(c) With menstrual hygiene
Question 11.
Example of emotional changes during adolescence is
(a) Increased height
(b) Growth of hairs
(c) Increased weight
(d) Mood swings
Answer:
(d) Mood swings
Question 12.
What is the term used for harassing, threatening or to embarass someone online?
(a) Cyber crime
(b) Cyber-bullying
(c) Hacking
(d) Phishing
Answer:
(b) Cyber-bullying
Question 13.
Which vitamin deficiency causes anemia?
(a) Vitamin A
(b) Vitamin D
(c) Vitamin C
(d) Vitamin B12
Answer:
(d) Vitamin B12
Question 14.
Why it is essential to maintain hygiene in adolescents?
(a) To took good
(b) To prevent from infections
(c) To impress peers (friends)
(d) To make parents happy
Answer:
(b) To prevent from infections
Question 15.
What is the importance of secondary sexual characters?
(a) They differentiate between girls and boys
(b) These are helpful directly in reproduction
(c) They help to increase height
(d) Prevent from disease
Answer:
(a) They differentiate between girls and boys
Adolescence A Stage of Growth and Change Class 7 Fill in the blanks
Question 1.
Adolescence is a phase between _____ and
Answer:
childhood, adulthood
Question 2.
The bulge appear due to development of voice-box in boys is called _____.
Answer:
Adam’s Apple
Question 3.
Starting of _____ is an important symptom of puberty in girls.
Answer:
menstrual cycle
Question 4.
Taking intoxicants leads _____.
Answer:
addiction
Question 5.
Chemicals are called _____ which controls growth and development in body.
Answer:
hormone
Adolescence A Stage of Growth and Change Class 7 True or False
Question 1.
There is only physical changes in adolescence. (True/False)
Answer:
False
Question 2.
Menstrual cycle is an unnatural and impure process. (True/False)
Answer:
False
Question 3.
It is very essential to take balanced diet during adolescence. (True/False)
Answer:
True
Question 4.
Cyber-bullying is a joke, should not take it seriously. (True/False)
Answer:
False
Question 5.
Changes in all adolescents are same and appear in same age. (True/False)
Answer:
False
Adolescence A Stage of Growth and Change Class 7 Match the following
Question 1.
| Column ‘A’ | Column ‘B’ |
| 1. Puberty | (a) Chemicals controlling growth and develop ments |
| 2. Hormone | (b) The phase when body is enough matured for reproduction |
| 3. Addiction | (c) Harrass someone through internet |
| 4. Cyber-bullying | (d) Characteristic differ entiate sex |
| 5. Secondary sexual | (e) Habit or craving of intoxicants |
Answer:
| Column ‘A’ | Column ‘B’ |
| 1. Puberty | (b) The phase when body is enough matured for reproduction |
| 2. Hormone | (a) Chemicals controlling growth and develop ments |
| 3. Addiction | (e) Habit or craving of intoxicants |
| 4. Cyber-bullying | (c) Harrass someone through internet |
| 5. Secondary sexual | (d) Characteristic differ entiate sex |
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