Olympiad Test Level 2: Transportation and Communication - 1 - Class 4 MCQ

Sledges are used in snow as a means of transport. They are specially designed to move over snowy or icy surfaces, typically pulled by animals or, in some cases, by people. Sledges are not suitable for deserts, land, or water, as they are made for snowy conditions.

India's first post office was set up in Calcutta (now Kolkata) in 1774 during British rule. It was established to handle the growing need for communication and postal services.

Elephants are commonly used in forests to carry heavy logs and trunks due to their large size and strength. They have been traditionally used in logging activities, especially in forested areas, because they can easily move large, heavy items through difficult terrain.

(i) To travel far from Earth matches with (b) A rocket, as rockets are used for space travel.

(ii) To carry heavy loads matches with (c) A push cart with wheels, as push carts are used to carry heavy items on land.

(iii) To travel through water matches with (a) A boat, as boats are used for traveling across water bodies.

A submarine is specifically designed to go underwater. It can dive beneath the surface of the water and travel underwater. Jets, ships, and the option "None of these" cannot go underwater as they are designed for air or surface travel.

The Internet is the fastest and cheapest mode of communication. It allows instant communication through emails, messaging apps, social media, and more. It is generally more affordable compared to traditional methods like post cards, television, or newspapers, which require more time or money to distribute.

Ships depart from ports or harbours, not from a car, footpath, or bus stand. Ports are specially designed locations where ships are docked, loaded, and unloaded.

(i) Rajdhani Express is a luxury bus - False: Rajdhani Express is a luxury train, not a bus.

(ii) Letters sent through speed post can reach faster than ordinary post - True: Speed post is a faster postal service compared to ordinary post.

(iii) Radio is a means of communication - True: Radio is a means of mass communication, transmitting information via sound waves.

Television is an audio/visual means of communication because it transmits both sound (audio) and images (visual) to communicate information. The other options (letter, radio) do not provide both audio and visual components; letters are written communication, and radio is audio-only.

Railways are usually the cheapest way to travel long distances, whether it's for people or goods. Trains can carry a lot of people or large amounts of cargo at once, which makes them more affordable compared to other transport options like airways (airplanes), roadways (buses or cars), or waterways (ships). Trains are efficient and cost less to operate over long distances, which is why they are considered the cheapest.