These Class 7 Science Curiosity Worksheet and Class 7 Science Chapter 6 Adolescence A Stage of Growth and Change Worksheet with Answers are excellent for board exam practice.
Class 7 Science Chapter 6 Adolescence A Stage of Growth and Change Worksheet
Class 7 Adolescence A Stage of Growth and Change Worksheet
Worksheet On Adolescence A Stage of Growth and Change Class 7 – Adolescence A Stage of Growth and Change Worksheet Class 7
A. Multiple-Choice Questions
Question 1.
Reproductive age in women primarily begins when
(a) menstruation starts
(b) Hair growth begins
(c) body weight increases
(d) height increases
Question 2.
Which of the following is a secondary sexual characteristic in boys?
(a) Development of ovaries
(b) Development of the uterus
(c) Broadening of shoulders
(d) Development of breasts
Question 3.
Which of the following is a form of cyberbullying using digital devices?
(a) Personal comments
(b) Teasing
(c) Spreading false information
(d) All of these
Question 4.
This question consists of an Assertion (A) and a Reason (R). Read the Assertion and Reason and choose the appropriate answer.
Assertion (A): During adolescence, the human body undergoes both visible and internal changes.
Reason (R): Adolescence is the stage when the body prepares for adulthood and reproductive maturity.
(a) Both A and R are true, and R is the correct explanation of A.
(b) Both A and R are true, but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false, but R is true.
Question 5.
This question consists of an Assertion (A) and a Reason (R). Read the Assertion and Reason and choose the appropriate answer.
Assertion (A): During menstruation, blood is discharged from the body as part of the menstrual cycle.
Reason (R): Menstruation lasts for eight to fifteen days.
(a) Both A and R are true, and R is the correct explanation of A.
(b) Both A and R are true, but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false, but R is true.
B. State True (T) or False (F).
1. Adolescence is marked only by observable changes.
2. Acne occurs due to an increase in oily secretions from the skin.
3. For proper growth and to perform well on the playground, we need junk food.
4. Regular exercise and physical activity are very important during adolescence.
5. Sanitary pads should be properly wrapped in newspaper and disposed of in a dustbin.
C. Fill in the blanks.
1. A diet that has all essential nutrients for proper growth of the body is known as a _______________
2. _______________ studied the structure of vitamin B12.
3. By the age of _______________, menstruation stops naturally.
4. _______________ is the period of change from childhood to adulthood.
5. _______________ have adverse effects on the body and mind.
D. Assign one word to the following terms.
1. The age at which reproductive organs mature _______________
2. A bump in the throat region of adolescent boys _______________
3. The term used for the monthly discharge of blood in girls _______________
4. The mineral whose deficiency leads to goitre _______________
5. Chemical secretions are responsible for the changes taking place in the body
E. Match the terms given in Column I with the correct explanations given in Column II.
| Column I | Column II |
| (i) Adolescence | (a) Rapid changes in emotions during adolescence, affecting behavior |
| (ii) Hormones | (b) The period of life from ages 10-19, marked by rapid physical, emotional, and behavioural changes |
| (iii) Mood Swings | (c) Harassing others online through messages or rumours, requiring responsible social media use |
| (iii) Cyberbullying | (d) A natural process in girls involving blood discharge every 28-30 days |
| (v) Menstruation | (e) Chemicals produced in the body that regulate growth, development, and mood |
Wonder Why?
A. Rohit got confused between goitre and the growth of “Adam’s apple” on his neck. This is because goitre starts as a small bump and grows larger if left untreated.
Question 1.
How can Rohit distinguish between the two?
_____________________________________________________
_____________________________________________________
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Question 2.
What is the other name for Adam’s apple? Is this organ found in adolescent girls?
_____________________________________________________
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B. Sheela is 53 years old. Her doctor told her that she is no longer reproductively capable. Why do you think the doctor said that?
_____________________________________________________
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C. Read the conversation between two friends.
Rishi: How does the body know that it has reached puberty?
Rajesh: We know that some of the changes that occur during adolescence are particularly easy to observe.
Rishi: What are those characteristic changes?
Rajesh: Characteristic changes include a change in voice, the growth of facial and chest hair in boys, and the development of breasts in girls.
Rishi: Does the voice change during puberty in girls?
Rajesh: Yes.
Evaluate the accuracy of their statements. If you find any incorrect statements, rewrite them correctly.
_____________________________________________________
_____________________________________________________
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D. Carefully observe the given food plates and answer the following questions.
Question 1.
What differences do you observe in the nutrient composition of food plates (i) and (ii)?
_____________________________________________________
_____________________________________________________
Question 2.
Which food plate should the adolescents choose, and why?
_____________________________________________________
_____________________________________________________
Learn By Doing
A. Take a jar and some paper slips. Write down one or more changes that have been observed among classmates as they moved from Grades 5 to 8. These changes could be physical, emotional, or behavioural. Fold the paper slips and place them in the jar. After collecting all the slips from the class, mix them well and then open each one. Based on the information shared on the slips, fill in the changes in the table given below:
B. Observe the food commonly available in your area. Think about the meals you usually eat at home or school. Now, using this information, complete the table given below:
Explore With Curiosity
A. Why do some adolescents grow taller or develop facial hair much faster than others, even if they are the same age?
_____________________________________________________
_____________________________________________________
B. What myths about menstruation exist in your community, and how might they have started?
_____________________________________________________
_____________________________________________________
C. Why do adolescents sometimes experience intense mood swings, and how does the brain contribute to these emotional fluctuations?
_____________________________________________________
_____________________________________________________
D. As boys and girls grow during adolescence, their bodies undergo changes listed below. Categorize these changes in the table provided.
- Change in voice
Development of breasts - Growth of facial hair
- Acne on the face
- Growth of hair in the pubic region
- Growth of hair in armpits
- Onset of the menstrual cycle
Word Puzzle
Complete the crossword with the help of the given clues.
ACROSS
2. Stage in which the body gains reproductive capability
3. Harmful substances to avoid due to addiction risk
6. Nutrients aiding muscle growth and strength
9. Stage of development between childhood and adulthood
10. Minerals preventing blood-related health issues
DOWN
1. Monthly blood discharge process in girls
4. Structure in the throat causing voice changes in boys
5. Chemicals controlling growth and mood changes
7. Compulsive dependence on harmful substances
8. Harassing others using digital platforms
Activities
A. Design a poster that promotes healthy lifestyle habits for adolescents, focusing on nutrition, hygiene, and physical activity.
B. Create a comic strip to raise awareness about the dangers of harmful substances such as tobacco, gutka, cigarettes, beedi, alcohol, or even life-threatening illegal drugs, and the importance of saying “NO”. Present your comic to the class, explaining how it encourages healthy choices.