Students can use Class 7 Science Curiosity Extra Questions and Chapter 6 Adolescence A Stage of Growth and Change Extra Question Answer to prepare effectively at home.
Class 7 Science Chapter 6 Adolescence A Stage of Growth and Change Extra Questions
Class 7 Science Chapter 6 Extra Questions on Adolescence A Stage of Growth and Change
Adolescence A Stage of Growth and Change Class 7 Very Short Question Answer
Question 1.
Name the stage of growth and change in humans.
Answer:
Adolescence.
Question 2.
Write any two observable changes during growing up.
Answer:
Increase in height, weight gain.
Question 3.
Do boys develop a moustache and beard?
Answer:
Yes.
Question 4.
Define menstruation.
Answer:
Blood is discharged from the body of a female in this cyclic phase every month in it.
Question 5.
When does menstruation naturally stop in females?
Answer:
At the age of 45-55 years in women.
Question 6.
Name an emotional change in adolescents.
Answer:
Mood swings or strong emotions.
Question 7.
Name a food source that helps to optimal bone growth.
Answer:
Milk.
Question 8.
Give the role of MHS about menstrual hygiene.
Answer:
It distributes sanitary pads free to females or adolescent girls in India’s rural areas at reduced rates.
Question 9.
Which platform is used for the collective well-being of people?
Answer:
Online platform, social media, etc.
Question 10.
Write one remedy for substance abuse.
Answer:
Say “No” to substance abuse. Avoid it to remain healthy.
Question 11.
What is the term used for chemical secretions responsible for changes taking place in the body?
Answer:
Hormones
Question 12.
Name one emotional change seen during adolescence.
Answer:
Mood swings
Question 13.
What physical changes occur in girls during puberty?
Answer:
Breast development and the onset of the menstrual cycle.
Question 14.
Name the disease caused by less or no secretion of thyroxine hormone by the thyroid.
Answer:
Goitre
Adolescence A Stage of Growth and Change Class 7 Short Question Answer
Question 1.
What do you mean by personal hygiene?
Answer:
Personal hygiene means keeping our body clean by bathing daily, washing hands, brushing teeth, and wearing clean clothes.
Question 2.
State use of social media.(M.Imp.)
Answer:
Social media are now-a-days available due to modern technology. You can talk on it, or send an information on it. You may interact or also share an information to each other. Seek help and guidance of elders, teachers and parents to use this platform. It will surely help you since this is responsible for collective well-being of all of us.
Question 3.
What is puberty? Discuss in brief.(Imp.)
Answer:
This refers “to a stage of life when our body becomes capable of reproduction”. In boys, normally, it is 11-16 years but in girls it is 10-15 years. It can vary from person to other person at all.
Question 4.
Write note on (a) Adolescence (b) Adolescent.
Answer:
(a) Adolescence: This is defined “as a period of transition from a child to an adult”.
(b) Adolescent: A child reaches puberty, then he or she becomes an adolescent at all.
Question 5.
Write changes at puberty.
Answer:
Testis/ovaries start releasing hormones. Secondary sex characteristics are visible at this stage like development of mammary glands in females. Change in behaviour and attitude is most observable. It is a natural part of growing up. These seems no reason to feel insecure. Moreover, sexual feelings develop.
Question 6.
Explain in brief “menstrual cycle”.
Answer:
It refers “to cyclic changes once in a month lasting upto 1-4 days time followed by bleeding in girls/females releasing an egg”. In human females, it a cycle of reproducing as well as releasing one mature egg, uterus wall thickening its shedding, if fertilization does not take place is known as the menstrual cycle. It is controlled by hormones. It stop at age of 45-55 years, it is called menopause at all.
Question 7.
What is the function of iron? Name some iron- rich food items.
Answer:
Iron helps in the formation of haemoglobin in the blood, which carries oxygen to all parts of the body. Green leafy vegetables, jaggery, meat and citrus fruits are rich in iron.
Question 8.
“The age of adolescence is joyful”. How?
Answer:
Good habits, thoughtful decisions as well as tiny actions have positive effect on adolescents. The excitement along with curiosity give a new view point about all things near them. This journey is unparallel in it self also.
Question 9.
What do understand by the term adolescence?
Answer:
Adolescence is the stage of development between childhood and adulthood which starts at the age of 10 years and continue upto 19 years of age.
Question 10.
What do you understand about a balanced diet?
Answer:
The food containing proteins, carbohydrates, fats and vitamins in requisite proportions is called a balanced diet.
Question 11.
What is menstruation?
Answer:
The phase of the menstrual cycle when blood discharge occurs from the female body is referred to as menstruation.
Question 12.
How can we keep our bodies healthy?
Answer:
We can keep our bodies healthy by doing regular physical activities, eating nutritious food, and maintaining good personal hygiene.
Question 13.
Write two physical activities important during adolescence.
Answer:
Two important physical activities during adolescence are moderate to vigorous intensity aerobic activities and muscle-strengthening activities. These activities help adolescents maintain a healthy weight, build strong bones and muscles, and improve overall fitness during this crucial stage of development.
Question 14.
Write a note on “cyberbulling”.(V.Imp.)
Answer:
This includes use of digital devices. Computers, phones and the online plateforms are used in it. It is done to harass other people sending them false, misleading messages. If some one sends you false message or rumours, you can locate it wisely. You can take help of your parents. Always be cautions, when you upload an information or picture online. Avoid sharing of personal information to unknown or strangers etc.
Question 15.
To support menstrual hygiene, our government has introduced several initiatives. Write some of these schemes.
Answer:
MHS, RKSK, Suvidha Sanitary Napkin Initiative and some state level initiatives are introduced by our government. Some state governments have their own programmes. In Karanataka Shuchi Scheme in Tamil Nadu free sanitary napkin scheme aim to distribute free napkin to girls and females in government schools. Under MHS sanitary pads are distributed free and no charge is taken from adolescent girls in some rural zones.
Question 16.
On social media, what should be followed and what not? Make a list of these.(Imp.)
Answer:
| Do’s | Don’t |
| 1. You think before posting a remark online. | 1. Do not post false information. Do not send rumours or misleading messages. |
| 2. Always be kind and respectful to everybody. | 2. Do not share your personal photos online with unknown or strangers etc. |
Question 17.
Name some addictive substances and their ill effects on adolescents.
Answer:
| Addictive Substances | Their ill effects on adolescents |
| 1. Tobacco | 1. Bidi, cigarettes smoking cause lung cancer. Make lungs weak. |
| 2. Alcohol | 2. Mood changes, harmful to physical and the mental health. |
| 3. Some harmful drugs | 3. Cause strong surge to take them again and again. The result is substance abuse. |
Question 18.
Write notes on:
(a) Adam’s apple
(b) Secondary sexual characters
Answer:
(a) Adam’s apple: The protruding part of the throat in boys is called Adam’s apple. It is the enlarged voice box. It makes the voice of boys hoarse.
(b) Secondary sexual characters: The characters which help to distinguish males from females are called secondary sexual characters. These characteristics can be hair on the chest, face and underarms; the development of breasts in girls, beards and moustaches in boys.
Question 19.
Enlist certain myths about menstruation.
Answer:
Physical isolation of menstruating girls is still prevalent in our society. It is a natural process. The myths has no scientific reason or basis. Encourage scientific outlook towards menstruation. We should help girls towards good reproductive health of women. We should contributively to healthy life style of women or girls in our society.
Question 20.
Lila always eats only dal and rice in every meal. She often falls ill and has become prone to diseases. Can you suggest changes in her diet which can make her healthy and free from disease?
Answer:
A balanced diet includes adequate amount of proteins, carbohydrates, fats and vitamins to stay healthy. Lila’s diet is not a balanced diet as she takes only proteins and carbohydrates in every meal. She should include vitamins, and minerals in her meal to protect her from various diseases. She should take milk, fruits, nuts, cereals, pulses, and iron rich diet including leafy vegetables, jaggery, meat, and citrus fruits.
Question 21.
Mention any two features that are seen in boys and girls each to distinguish them from each other at puberty.
Answer:
Two features seen in boys at puberty are:
Growth of facial hairs
Voice becomes hoarse.
Two features seen in girls at puberty are:
Development of breasts.
The region below the waist becomes wider.
Question 22.
We should avoid taking medicines/drugs unless prescribed by a doctor. Give reasons.
Answer:
We should avoid taking medicines/drugs unless prescribed by a doctor because taking the wrong medicine can harm our body and cause side effects. Misusing drugs can lead to drug addiction, which can seriously affect our health.
Question 23.
Name three changes experienced from adolescence to adulthood and one example of the challenges associated with each of them?
Answer:
Three changes experienced form adolescence to adulthood include physical, intellectual, psychological and social challenges. The changes are rapid and often take place at different rates.
Example for physical – body odor, acne, and more body hair
Example for psychological – During adolescence, your child will begin to observe, measure and manage their emotions
Example for social challenges: Adolescents spend less time with their families and may focus more on their peers however adults spend more time with themselves or family
Question 24.
Which changes indicate reproductive capability in girls? Explain
Answer:
In adolescent girls, the menstrual cycle is the primary indicator of reproductive capability. This cycle, along with other physical changes like breast development and the start of pubic hair growth, signifies the body’s readiness for reproduction. The menstrual cycle is a series of natural changes that occur in a woman’s body to prepare for a possible pregnancy. It involves the monthly release of an egg (ovulation) and the thickening of the uterine lining. If the egg is not fertilized, this lining is shed, resulting in menstruation. The menstrual cycle is a sign of good reproductive health and the body’s ability to conceive and carry a pregnancy. While the menstrual cycle is the most prominent, other physical changes during adolescence in girls, such as breast development, growth of pubic hair, and widening of hips, also indicate the onset of reproductive maturity.
Adolescence A Stage of Growth and Change Class 7 Long Question Answer
Question 1
Explain personal hygiene of adolescents. (Imp.)
Answer:
For personal hygiene, nutrition is necessary for growing up into adult. Maintain hygiene of armpits, pubic region specially. This protects us from potential infection. In girls, proper hygiene is necessary during menstruation. So girls should use sanitary pads made of reusable cloth. Government sells these at low price to girls and women. Reduce stigma about sanitary pads and dispose off then safely. Now-a-days biodegradable sanitary pads are available. They are environment friendly too for us all in society.
Question 2.
Rahul and his classmates eat potato chips and burgers regularly after having their lunch during recess at school. Are these are healthy eating habits? Give reasons.
Answer:
No, eating potato chips and burgers regularly is not a healthy habit as they are high in fat, sugar, and salt, but they lack the necessary nutrients needed for the body to stay healthy. Adolescents requires the consumption of a balanced diet containing an adequate proportion of nutrients like proteins, carbohydrates, fats, vitamins and minerals to stay healthy. Therefore, an adolescent person should take an adequate amount of nutrients in his/her diet.
Question 3.
Explain the importance of emotional changes during adolescence.
Answer:
During adolescence, hormonal changes not only affect the body but also influence emotions. Adolescents may experience mood swings, confusion, anxiety, or a desire for independence. These emotional changes are natural but can be overwhelming. Importance of emotional changes:
- They help in developing self-identity.
- They prepare individuals for adult responsibilities.
- They contribute to the development of reasoning and decision-making.
Question 4.
What are harmful substances ? How can we avoid them ?
Answer:
Harmful substances are life threating drugs, bidis, tobacco, cigarettes, alcohol etc. Some people create peer pressure or force you to consume them. Due to excitement, youngs are attempted to these. They get influenced by some people and take them to enjoy.
The substances affect our physical and mental state body. They, it taken regularly cause addiction. So to avoid them say “No”. Leave them and do not use at any cost. Leave surge about them to remain in healthy.
Question 5.
Describe the role of hormones during adolescence.
Answer:
Hormones are chemicals which play significant roles in growth, development of body. For proper functioning of body they are needed at all. Hormones are chemicals produced by our body in various parts.
Hormones are released at proper time in response to signals from our brain. Hormones also affect our behaviour and mood changes in adolescents due to hormones are visible.
Question 6.
Make a list of secondary sexual characteristics in boys and girls.
Answer:
Secondary Sexual Characteristics in Boys:
- Growth of facial and body hair: This includes beards, mustaches, and hair on the chest, arms, legs, and pubic area.
- Deepening of the voice: The voice box (larynx) enlarges, causing the voice to become lower and huskier.
- Broadening of the shoulders: The shoulder girdle (shoulders and upper back) widens due to muscle development.
- Increased muscle mass: Muscles grow, especially in the upper body, making boys appear more muscular.
- Enlargement of the Adam’s apple: The Adam’s apple (laryngeal prominence) becomes more prominent in the throat.
- Growth of the penis and testes: These are primary sexual characteristics, but they also develop further during puberty, and the testes begin producing sperm.
Secondary Sexual Characteristics in Girls:
- Breast development: Breasts enlarge and develop due to hormonal changes.
- Widening of the hips: The hip bones widen, giving the body a more rounded shape.
- Onset of the menstrual cycle: The body begins to prepare for potential pregnancy, with the shedding of the uterine lining (menstruation).
- Growth of pubic and underarm hair: Hair develops in the pubic area and underarms.
- Increased body fat: Fat distribution changes, with more fat accumulating around the hips and thighs.
- Development of a higher-pitched voice: While less pronounced than the deepening of the voice in boys, a slight. increase in pitch can occur.
Adolescence A Stage of Growth and Change Class 7 Case Based Questions
1. Read the following passage carefully and answer the questions that follow:
The adolescents show several physical and internal changes in their body to grow and reach adulthood. The changes may be increase in height, weight gain, body appearance, strength etc. Some changes in voice, growth of facial as well as chest hair in the boys and breat development in girls distinguishes a male from a female. Hence, these characteristics are known as secondary sexual characteristics. These natural signs mark onset of puberty in males and females. They also exhibit that the body of a girl and a boy is preparing for adulthood and some indicative of reproduction.
(i) What is adolescence?
(a) A developmental stage between childhood and adulthood.
(b) It is a stage between 10 to 18 years of age.
(c) None of these
(d) All of these
Answer:
(a) A developmental stage between childhood and adulthood.
(ii) Some observable changes in voice, hair, and breasts help us to recognise a male from a female. They are:
(a) change in voice
(b) growth facial, chest hairs in boys
(c) development of breats in a girl
(d) all of these
Answer:
(d) all of these
(iii) Some changes during adolescence are ;
(a) easily observable
(b) not involved in reproduction directly
(c) help to distinguish a male from a female
(d) all of these
Answer:
(d) all of these
2. Read the following passage carefully and answer the questions that follow:
Venkatesh noticed that during the last year, his voice deepened, he gained height, and started developing a faint moustache. His cousin Devyani also experienced visible changes-her height increased, and her skin developed acne. Their teacher explained that these are normal signs of adolescence, a stage between 10 to 19 years marked by physical, emotional, and mental development. She emphasized that these changes occur at different times and in varying degrees in each individual due to hormonal activity and genetic factors.
(i) Which of the following is a secondary sexual characteristic in boys?
(a) Development of reproductive organs
(b) Broadening of shoulders
(c) Formation of sperm
(d) Increase in height
Answer:
(b) Broadening of shoulders
(ii) Which organ in the throat enlarges during adolescence and leads to voice change in boys?
(a) Thyroid gland
(b) Tonsils
(c) Voice box
(d) Pituitary gland
Answer:
(c) Voice box
(iii) Acne or pimples during adolescence are mainly caused by:
(a) Poor nutrition
(b) Increased sweat
(c) Bacterial infections only
(d) Oily secretions blocking skin pores
Answer:
(d) Oily secretions blocking skin pores
(iv)Which emotional change is commonly experienced during adolescence?
(a) Baldness
(b) High blood pressure
(c) Mood swings
(d) Frequent sleepwalking
Answer:
(c) Mood swings
Adolescence A Stage of Growth and Change Class 7 Picture Based Questions
1. Observe the image given below and answer the following questions:
(i) What is the bump on boy’s throat called?
(a) Adam’s Apple
(b) Adam’s Eye
(c) Adam’s throat
(d) Adam’s voice
Answer:
(a) Adam’s Apple
(ii) Is this change noticeable in all boys?
(a) No
(b) Yes
(c) 50-50
(d) Both (b) and (c)
Answer:
(a) No
(iii) Why is there change in the adolescence boys’ voice?
Answer:
In adolescent boys the growth of the voice box leads to a voice that sounds hoarse. This change to change in voice.
2. Observe the image given below and answer the following questions:
(i) Name the digital devices used in cyberbullying?
(a) Computers
(b) Phones
(c) Onlie platforms
(d) All of these
Answer:
(d) All of these
(ii) Cyberbullying, one should be cautious:
(a) while uploading pictures
(b) sharing information with strangers
(c) teasing
(d) both (a) and (b)
Ans wer:
(d) both (a) and (b)
(iii) If anyone bully you, what should you do individually?
Answer:
If someone tries to bully you, it is important not to feel scared or helpless. Rather, handle it wisely and seek help from parents and teachers.
Adolescence A Stage of Growth and Change Extra Questions for Practice
Multiple Choice Questions (MCQs):
Question 1.
Menstruation and signs of puberty are due to:
(a) Hormones
(a) and (b)
(b) Certain chemicals
(c) Both
(d) None of these
Question 2.
Addictive substances are:
(a) tobacco
(b) bidis
(c) cigarettes
(d) all of these
Question 3.
To overcome addiction:
(a) seek help from family
(b) seek help from friends
(c) talk to your teachers
(d) all of these
Question 4.
Some serious health problems caused due to consumption of harmful substances are:
(a) memory loss
(b) breathing problems
(c) damage to the lungs
(d) all of these
Question 5.
Cyberbullying involves:
(a)use of phones, computers, online platforms to harass someone
(b) sending wrong messages
(c) both (a) and (b)
(d) None of these
Very Short Answer Type Questions:
Question 1.
What do you call stage of growth and change?
Question 2.
Write one most observable change in adolescents.
Question 3.
What is voice box?
Question 4.
Why is a nutritions diet necessary for the adolescents?
Question 5.
How do emotions influence our life?
Short Answer Type Questions:
Question 1.
Why is it necessary to avoid substance abuse?
Question 2.
Name two changes that are faced by adolescents.
Question 3.
Give the functions of: (a) RKSK (b) MHS
Question 4.
What are positive impacts of good habits and good actions on adolescents?
Question 5.
What are natural sign in an adolescent body that show that our body is preparing for adulthood?
Short Answer Type Questions:
Question 1.
Write any two common myths about menstruation.
Question 2.
What do you know about:
(a) acne
(b) pimples
Question 3.
Explore any two diverse behavioural changes in adolescents.
Question 4.
How can parents support their adolescents during this transitional phase?
Question 5.
Name some physical activities that are very necessary during adolescence period.
Long Answer Type Questions:
Question 1.
Explain any four initiatives started by our government to support the menstrual hygiene.
Question 2.
Write any four locally available foods, their sources, nutrients present in them and functions of these nutrients.
Question 3.
Write short notes on:
(a) Puberty
(b) Menstruation and
(c) Adolescence
Question 4.
How do we grow with age? What are teenage years? Write some observable changes