Enjoy with Social Life-4 [74-105] - School Books Publishers India

6. What is an underground railway service called?Ans. Metro rail.7. Name any four major ports of India.Ans. Mumbai, Kolkata, Mangalore and Chennai are major ports of India.8. Name any five international airports of India.Ans. 1. Indira Gandhi International Airport (Delhi)2. Subhash Chandra Bose International Airport (Kolkata)3. Sahara Airport (Mumbai)4. Meenambakkam (Chennai)5. Thiruvanantpuram (Kerala)Project/Activity :F. Collect the pictures of means of transport as many as you can andpaste them in your scrapbook. Write their names below them.Ans. Do yourself.G. On the outline map of India, locate the International Airports of India.Ans. Do yourself.14. Means of CommunicationExerciseA. Fill in the blanks :1. The speed post service was introduced in India on 1st August 1986.2. Postal Index Number has six digits.3. The telephone was invented by Alexander Bell.4. Newspapers are the cheapest and most powerful meansof communication.5. Computers are connected with each other with the internet.B. Write True or False :1. Television is an audio and video means of communication. True2. Telegrams carry urgent messages. True3. A letter is a form of mass communication. False4. We make phone calls within India using ISD. False5. There are many night post offices in India. True6. For sending an e-mail, an internet connection is necessary. TrueC. Match the following :1. PIN (a) Radio2. STD (b) Television3. Akashvani (c) Letters4. Doordarshan (d) Computer5. E-mail (e) PhoneD. Write the year when these were introduced :1. The speed post service was introduced in 19862. The first postal department was set in 17663. The first postage stamp was issued in 18524. The Postal Index Number (PIN) was introduced in 19725. The telephone was invented in 187591Bookman India Enjoy with Social Life [1-5]