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Olympiad (Class 4) Transport and Communication — practice questions

Explore 46 free Transport and Communication questions in Olympiad (Class 4) General Knowledge. Open each question or exercise to read its content, reference answers and available explanation.

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Transport and Communication questions and exercises with answers

Showing questions 1–30 of 46.

Which job does a telephone do when you speak into it?Read the answer and worked solution →Which two parts must every telephone have so that two people can talk?Read the answer and worked solution →In which year did Alexander Graham Bell get a United States patent for the telephone?Read the answer and worked solution →What does the ringer of a phone tell you?Read the answer and worked solution →Early telephones were joined by wires to a central place where people connected the calls. What was it called?Read the answer and worked solution →Handheld mobile phones for personal use began in which year?Read the answer and worked solution →Which small card must be put inside a mobile phone so it can join the phone network?Read the answer and worked solution →A mobile phone talks to which kind of nearby equipment to make a call?Read the answer and worked solution →A phone that can run apps, take photos and use a touch screen is called a what?Read the answer and worked solution →What does the mail or post system carry from place to place?Read the answer and worked solution →What do you stick on a letter to show you have paid for posting it?Read the answer and worked solution →The Universal Postal Union, which sets rules for mail between countries, began in which year?Read the answer and worked solution →Why is a paper letter sometimes called snail mail?Read the answer and worked solution →What does the word email stand for?Read the answer and worked solution →In ancient India, how did kings send news to far places before phones existed?Read the answer and worked solution →What is transport?Read the answer and worked solution →Which one is NOT a mode of transport?Read the answer and worked solution →A train runs on tracks made of what?Read the answer and worked solution →What is the engine that pulls the other cars of a train called?Read the answer and worked solution →A city has a small electric vehicle that runs on rails set into the street. What is it?Read the answer and worked solution →What do the wooden or concrete ties under a railway track do?Read the answer and worked solution →What lets an airplane stay up in the air?Read the answer and worked solution →Which aircraft can take off and land where there is no runway?Read the answer and worked solution →A small aircraft with no pilot inside, flown by remote control, is called a what?Read the answer and worked solution →Which is the fastest method of transport?Read the answer and worked solution →Which gas is safer than hydrogen for filling a balloon that carries people?Read the answer and worked solution →What fills a hot air balloon to make it rise?Read the answer and worked solution →A balloon rises because the gas inside it is what, compared with the air around?Read the answer and worked solution →A family wants the cheapest way to travel across town. Which public choice is usually cheapest?Read the answer and worked solution →Which choice is very flexible because it picks you up where you want but costs more?Read the answer and worked solution →

Worked practice questions

Which job does a telephone do when you speak into it?

  1. Makes your voice louder in the air
  2. Turns your voice into light
  3. Stores your voice as a letter
  4. Turns your voice into electrical signals
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Correct answer: D. Turns your voice into electrical signals

A telephone changes sound, mostly the human voice, into electrical signals that travel to the other phone.

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Which two parts must every telephone have so that two people can talk?

  1. A bulb and a switch
  2. A screen and a camera
  3. A microphone and earphone
  4. A key and a padlock
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Correct answer: C. A microphone and earphone

One part picks up your voice and the other plays the far voice back, so both are needed for a talk.

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In which year did Alexander Graham Bell get a United States patent for the telephone?

  1. 1776
  2. 1976
  3. 1876
  4. 1676
Show answer and solution

Correct answer: C. 1876

Bell was granted the patent in March 1876.

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