Social Science STD 7 Chapter 18: Means of Communication and Advertisement - Exercises

Social Science STD 7 Chapter 18: Means of Communication and Advertisement - Exercises

1. Fill in the blanks:

  1. 1. The ......... card is used to wish good luck to a friend.

    greeting

  2. 2. Telegram service was started in India in the year ......... AD.

    1850

  3. 3. Radio is a ......... means of communication.

    audio

  4. 4. ......... is a popular audio-visual means for entertainment.

    Television

  5. 5. ......... is a very useful tool for getting information about the minerals lying in the earth crust.

    Artificial satellite

2. State whether the following statements are True or False:

  1. 1. Rakhis can be sent by in-land letter.

    False

  2. 2. Food is a basic human need.

    True

  3. 3. Police use walkie-talkie.

    True

  4. 4. All the things shown in the advertisement are of good quality.

    False

  5. 5. Mobile phone is an excellent means of communication.

    True

3. Answer the following questions in one-two lines each:

  1. 1. How is money sent through a post office?

    Money can be sent through a post office using a money-order service.

  2. 2. Name any two means of advertisement.

    Two means of advertisement are newspapers and television.

  3. 3. What is meant by means of communication?

    A means of communication is a system for sending or receiving information or messages from one place to another.

  4. 4. State two advantages of advertisement.

    Two advantages of advertising are that it allows consumers to check and confirm the quality and price of an item, and it conveys general information about a product to people.

  5. 5. Which advertisements does the government make for social awareness?

    The government makes advertisements for social awareness on topics such as avoiding child marriage, promoting health, population control, educating daughters, and preventing child malnutrition.

4. Write Short notes:

  1. 1. Disadvantages of advertisement.

    Advertisements have several disadvantages. They are expensive, and this cost is often passed on to the consumer, making products more costly. Advertisers may not even use the products they are promoting. Consumers can also be deceived by misleading or attractive advertisements. Furthermore, advertisements can promote a trend of imitating others, and seeing unaffordable luxury items can sometimes cause feelings of guilt or envy.

  2. 2. Use of artificial satellite.

    Artificial satellites are man-made objects placed in space that are highly useful for communication and other purposes. They are used to access daily news and weather information on various devices like TVs, computers, and mobile phones. Satellites also provide information about mineral resources and water hidden in the Earth's crust. They are essential for navigation, allowing us to find distances and routes to places, and are also very useful for a country's defense sector.

  3. 3. Facilities available in mobile-phone.

    A mobile phone is a powerful means of communication that offers a wide range of facilities in addition to making calls. It can function as a clock, an audio-video player, a torch, a calendar, a calculator, and a radio. It also allows users to book various tickets, including for railways, buses, and cinemas. With access to the internet, mobile phones provide a vast amount of information and are an essential tool for many modern needs.

5. Answer the following questions in two-three sentences each:

  1. 1. Why are the means of communication useful in a democracy?

    Means of communication are vital in a democracy because they help inform the public about the government's work and policies, such as those related to education, health, and agriculture. They also allow opposition parties to point out flaws in government activities. By promoting social values like equality, freedom, and fraternity, mass media and advertisements help to strengthen democracy.

  2. 2. How would you use the means of communication?

    I would use the means of communication responsibly and thoughtfully. I would focus on important issues like pollution, poverty, and child labor and use media to discuss solutions to these problems. I would also avoid spreading negative content or fake news and would use mobile phones primarily for communication and educational purposes, minimizing the use of games and unnecessary internet browsing to protect my eyesight and time.

  3. 3. Awareness comes through cinema. Explain.

    Cinema is a popular medium that both entertains and educates. Films can be powerful tools for raising social and cultural awareness by showing how people can fight against customs, superstitions, and blind beliefs. They can change people's way of living and thinking, thereby helping to bring about positive changes in society.

  4. 4. State the advantages of TV.

    Television is a highly popular audio-visual medium that brings news, films, serials, and educational programs into homes. It allows people to watch live broadcasts of various sports and stay updated with the latest news from around the world. The text also mentions that TV is a means of advertisement, which provides information about products and services, and government programs like 'Vande Gujarat' offer educational content through this medium.