Prose · Class 8 English · Chapter 7

Samacheer Class 8 English - Cyber Safety

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Chapter-wise textbook exercise answers for Cyber Safety with validation-aware solutions.

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Cyber Safety — key concepts & quick answers

What is the lesson 'Cyber Safety' about?
It explains how to use the internet safely — enjoying its many benefits while guarding against dangers such as online addiction and unsafe contacts.
What is the theme of 'Cyber Safety'?
The theme is responsible and safe use of the internet, balancing its advantages against its risks.
What are the dangers of the internet mentioned in the lesson?
It warns of the risk of getting addicted to the internet and of other online dangers, while admitting that the internet also has clear benefits we cannot ignore.
How can we stay safe while using the internet?
By using the internet sensibly and in moderation, being careful about what we browse and whom we interact with, and not letting it become an addiction.
Sections in this chapter
Read and Understand (Text Book Page No. 180) 30Listening (Text Book Page No. 190) 5Speaking (Text Book Page No. 190) 1Writing (Text Book Page No. 191) 27
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1Read and Understand (Text Book Page No. 180)30 questions
Q.1I was really scared .v
  1. A. bold
  2. B. frightened
  3. C. timid
Answer:

b) frightened

Q.2Let us browse about it.v
  1. A. surf
  2. B. read
  3. C. glance
Answer:

a) surf

Q.3There is a chance to get addicted .v
  1. A. accustomed
  2. B. known
  3. C. inclined
Answer:

a) accustomed

Q.4We can’t ignore the benefits of internet.v
  1. A. favorable
  2. B. harm
  3. C. popularity
Answer:

a) favorable

Q.5She gathered the information from the internet.v
  1. A. disburse
  2. B. collect
  3. C. amass
Answer:

b) collect

Q.1The explosion had weakened the building’s foundations.v
  1. A. dreary
  2. B. dull
  3. C. strengthen
  4. D. weak
Answer:

c) strengthen

Q.2A stranger was roaming around the street.v
  1. A. well known
  2. B. newcomer
  3. C. unknown
  4. D. foreigner
Answer:

a) well known

Q.3Vairavan is having a spot of bother with law.v
  1. A. worry
  2. B. annoy
  3. C. pester
  4. D. pleasing
Answer:

a) worry

Q.4He asked the manager to improve the facility in the hall.v
  1. A. amenity
  2. B. comfort
  3. C. uneasy
  4. D. short coming
Answer:

b) comfort

Q.5A good diet is beneficial to health.v
  1. A. benefit
  2. B. helpful
  3. C. harmful
  4. D. useful
Answer:

c) harmful

Q.1Internet is a great tool where, One can gather …………………… .v
Answer:

Information

Q.2Gladin is gathering information for his …………………… .v
Answer:

Science project

Q.3Children should use internet …………………… .v
Answer:

wisely

Q.4We should keep our personal details …………………… in the internet.v
Answer:

very private

Q.5We should not get addicted to …………………… .v
Answer:

Mobile phones

Q.1Gladin’s mom knew how screw guage works.v
Answer:

False

Q.2We use internet to gather information and gain knowledge.v
Answer:

True

Q.3Rani was frightened of an online predator.v
Answer:

True

Q.4Strangers don’t misuse your information.v
Answer:

False

Q.5Do not give your name, address, telephone number to the strangers.v
Answer:

True. It is important to never give your name, address, telephone number, or other personal information to strangers online. Sharing such details can put you at risk of being contacted, tracked, or harassed by people with malicious intentions, which is why maintaining privacy and protecting personal information is a fundamental aspect of cyber safety.

Q.6Too much of anything is good for nothing.v
Answer:

True. The proverb 'Too much of anything is good for nothing' means that excess of anything, even something beneficial, can be harmful. For example, too much internet use can be detrimental to health, studies, and social relationships, even though the internet itself is a valuable tool. This statement emphasizes the importance of moderation and balance in all activities.

Q.1Why did Gladin’s mom ask him to browse?v
Answer:

Gladin’s mom asked Gladin to browse to know about the working of a screw gauge.

Q.2Why do we use the internet?v
Answer:

We use the internet for multiple purposes in our daily lives. It helps us to connect and communicate with people around the world, regardless of geographical distance. The internet also provides us with entertainment options such as watching movies, listening to music, and playing games. Additionally, it serves as a valuable resource for gathering information, gaining knowledge, and conducting research. The internet also enables us to access various online services and facilities for shopping, banking, and other practical needs.

Q.3What was Rani afraid of?v
Answer:

Rani was afraid of a stranger chatting with her every day, using bad words.

Q.5Who is an online predator?v
Answer:

An online predator is a person who sexually exploits a child over the internet.

Q.6What was the father’s instruction to Gladin and Rani?v
Answer:

Father advised Rani and Gladin never to chat with anybody until they know them personally, such as classmates, friends, and family members. This instruction was meant to protect them from potential dangers posed by strangers online. By limiting their online interactions to known and trusted people, they could avoid falling prey to online predators and other harmful individuals who might try to exploit them.

Q.7What do strangers do with our personal information?v
Answer:

Strangers may use our personal information in harmful ways without our knowledge or permission. They can misuse our profile by impersonating us, stealing our identity, or using our information for fraudulent activities. This misuse of personal information can lead to serious consequences including financial loss, damage to reputation, and emotional harm.

Q.8What are the benefits of the computer?v
Answer:

Computers and the internet offer numerous benefits that enhance our lives in multiple ways. Socially, they enable us to connect and communicate with people across the globe, helping us maintain relationships and build new connections. Educationally, computers and the internet provide access to vast amounts of information and learning resources, allowing students to research topics, access online courses, and enhance their knowledge. They also provide entertainment through movies, music, games, and other multimedia content. Additionally, computers and the internet have revolutionized shopping through e-commerce platforms, making it convenient to purchase goods and services from home. These technological tools have become essential in modern life for work, education, communication, and entertainment purposes.

Q.2What happens if someone is addicted to a mobile phone?v
Answer:

Mobile phone addiction causes several serious problems that negatively impact a person's physical, mental, and social well-being. Physical health issues include headaches, weakened eyesight, and sleep disorders caused by excessive screen time and radiation exposure. Mental health problems such as depression and stress develop due to constant connectivity and social media pressure. Addiction leads to social isolation as people withdraw from face-to-face interactions and real-world relationships. It can also result in aggressive behavior, financial problems due to excessive spending on data and apps, and ruined relationships with family and friends. Professional growth suffers as individuals lose focus and productivity. The saying that too much of anything is good for nothing perfectly applies to mobile phone usage, emphasizing the importance of balanced and responsible use.

Q.3“We can’t ignore the benefits of internet and mobile phone” – Justify.v
Answer:

We cannot ignore the benefits of the internet and mobile phones because they have become integral to modern life, offering significant advantages both educationally and socially. These technologies help us connect with people around the world, breaking geographical barriers and enabling meaningful communication. They provide access to entertainment through movies, music, and games, enriching our leisure time. The internet serves as a powerful educational tool, allowing us to gather information, gain knowledge, and access online learning resources. Mobile phones and the internet facilitate the sharing of knowledge and information among known members and communities. However, while enjoying these benefits, we must practice cyber safety and responsible usage. We should never chat with strangers until we know them personally, such as classmates, friends, and family members. It is crucial to limit our usage of the internet and mobile phones to maintain a healthy balance and take charge of our lives. By using these technologies wisely and safely, we can maximize their benefits while minimizing potential risks and negative impacts on our physical health, mental well-being, and relationships.

2Listening (Text Book Page No. 190)5 questions
Q.1A mobile phone is like a world in our pockets asv
Answer:

it can connect us to the rest of the world

Q.2Parents do not have to remain in tension if their sons and daughters are late becausev
Answer:

they can connect to their children at any time

Q.3Some of the negative effects of a mobile phone are:v
Answer:

Some of the negative effects of a mobile phone are: (a) accidents caused by distracted usage while driving or walking, (b) social pollution through excessive noise and inappropriate behavior in public spaces, (c) health issues including headaches, weakened eyesight, sleep disorders, and radiation exposure, and (d) privacy problems arising from unauthorized access to personal information and data breaches.

Q.4Excessive use of mobile phones can be hazardous to one’s health asv
Answer:

Excessive use of mobile phones can be hazardous to one's health as it can cause various physical problems including headaches, earaches, and blurring of vision. Prolonged exposure to mobile phone radiation and the strain caused by continuous use can lead to these health issues. Additionally, holding the phone close to the ear for extended periods may cause discomfort and pain in the ear region, while staring at the screen for long hours can strain the eyes and result in vision problems.

Q.5A mobile phone is a threat to one’s privacy as.v
Answer:

A mobile phone is a threat to one's privacy as it can be equipped with a hidden camera to take pictures and videos without the knowledge or consent of the person being photographed. This feature can be misused by individuals to capture private moments and personal information, violating someone's right to privacy. Mobile phones can also be used to record conversations, track locations, and access personal data, making them potential tools for invasion of privacy.

3Speaking (Text Book Page No. 190)1 questions
Q.G2G. Imagine a world with no books, but only e-books. How would you find such a world? Deliver a two-minute talk.v
Answer:

World without books would be, like feast without salt. Books are the treasure house of knowledge. In olden days there was no current in houses. There was no computer or mobile phone. Even in those days, books helped people to educate themselves. Books can be used at any time. Leisurely we can read books. We can take notes also. Reading books does not give much stress to the eyes. Reading books does not need internet. Using internet excessively might create health issues such as headaches, earache, blurring vision, etc.

4Writing (Text Book Page No. 191)27 questions
Q.G3F. Write a formal email to the young scientist Mr Sundar Pitchai CEO, of Google, requesting him for an appointment to interview him.v
Answer:

Dear Mr. Sundar Pichai, I hope this email finds you in good health. I am writing to request an appointment with you for an interview. As the CEO of Google, your insights and experiences in the field of technology and innovation would be invaluable. I would greatly appreciate the opportunity to discuss your journey, achievements, and vision for the future of technology. Please let me know your availability at your earliest convenience. Thank you for considering my request. I look forward to hearing from you. Yours sincerely, [Your Name]

Q.1She is collecting stickers, ……………………..?v
Answer:

isn’t she?

Q.2We often watch TV in the afternoon, …………………….?v
Answer:

don’t we?

Q.3You have cleaned your bike, …………………….?v
Answer:

aren’t you?

Q.5Peter played handball yesterday, ……………………?v
Answer:

didn’t he?

Q.7Mary didn’t do her homework last Monday, ……………………….?v
Answer:

did she?

Q.8He could have bought a new car, ………………….?v
Answer:

could he?

Q.9Kevin will come tonight, ……………………?v
Answer:

won’t he?

Q.1He is still sleeping,v
  1. A. is not he?
  2. B. isn’t he
  3. C. wasn’t he?
Answer:

b) isn’t he?

Q.2You go to school,v
  1. A. do you?
  2. B. aren’t you?
  3. C. don’t you
Answer:

c) don’t you?

Q.3Let’s go for a walk,v
  1. A. shall we?
  2. B. shan’t we?
  3. C. will we?
Answer:

a) shall we?

Q.4We won’t be late,v
  1. A. won’t we?
  2. B. will we?
  3. C. are we?
Answer:

b) will we?

Q.5Nobody called,v
  1. A. do they?
  2. B. didn’t they?
  3. C. did they?
Answer:

c) did they?

Q.6They will wash the car,v
  1. A. will it?
  2. B. won’t they?
  3. C. wouldn’t they?
Answer:

b) won’t they?

Q.7We must lock the doors,v
  1. A. mustn’t they?
  2. B. shouldn’t we?
  3. C. mustn’t we
Answer:

c) mustn’t we?

Q.8I’m right?v
  1. A. amn’t I?
  2. B. am not I?
  3. C. aren’t I?
Answer:

c) aren’t I?

Q.9So you bought a car,v
  1. A. didn’t you?
  2. B. haven’t you?
  3. C. weren’t you?
Answer:

a) didn’t you?

Q.10You wouldn’t like to invite my Dad,v
  1. A. did you?
  2. B. would you?
  3. C. won’t you?
Answer:

The sentence 'You wouldn't like to invite my Dad, would you?' is a question tag structure used in English grammar. A question tag is a short question added to the end of a statement to seek confirmation or agreement from the listener. In this case, the negative statement 'You wouldn't like to invite my Dad' is followed by the positive tag 'would you?' This follows the rule that when the main clause is negative, the tag should be positive, and vice versa. Question tags are commonly used in spoken English to encourage response and maintain conversational engagement. They help speakers confirm their assumptions or invite the listener to agree or disagree with the statement made.

Q.2I went because I was invited.v
Answer:

The sentence 'I went because I was invited' is a complex sentence. It consists of an independent clause 'I went' and a dependent clause 'because I was invited' connected by the subordinating conjunction 'because'. The dependent clause provides the reason or cause for the action in the main clause, making this a complex sentence structure.

Q.3Jancy returned home because she was tired.v
Answer:

The sentence 'Jancy returned home because she was tired' is a complex sentence. It contains an independent clause 'Jancy returned home' and a dependent clause 'because she was tired' joined by the subordinating conjunction 'because'. The subordinate clause explains the reason why Jancy returned home, which is characteristic of a complex sentence.

Q.4Whatever you do, do well.v
Answer:

complex

Q.5Listen carefully and take notes.v
Answer:

compound

Q.6I called him, but he gave me no answer.v
Answer:

The sentence 'I called him, but he gave me no answer' is a compound sentence. It contains two independent clauses 'I called him' and 'he gave me no answer' joined by the coordinating conjunction 'but'. The conjunction 'but' shows a contrast between the two equal clauses, which is the defining characteristic of a compound sentence.

Q.7The town in which I live is very large.v
Answer:

The sentence 'The town in which I live is very large' is a complex sentence. It consists of an independent clause 'The town is very large' and a dependent relative clause 'in which I live' connected by the relative pronoun 'which'. The dependent clause modifies the noun 'town' and cannot stand alone, making this a complex sentence.

Q.8They always talk who never think.v
Answer:

The sentence 'They always talk who never think' is a complex sentence. It contains an independent clause 'They always talk' and a dependent relative clause 'who never think' joined by the relative pronoun 'who'. The subordinate clause provides additional information about 'they' and depends on the main clause for its meaning, which defines a complex sentence structure.

Q.9We must eat to live, but we should not live to eat.v
Answer:

The sentence 'We must eat to live, but we should not live to eat' is a compound sentence. It consists of two independent clauses 'We must eat to live' and 'we should not live to eat' connected by the coordinating conjunction 'but'. The conjunction 'but' shows a contrast between two equal and complete thoughts, which is the characteristic feature of a compound sentence.

Q.10Govern your passions or they will govern you.v
Answer:

compound