Olympiad Test: Transport And Communication -1 - Class 4 MCQ

Camel is used for transportation in:
A. Desert:
- Camels are well-adapted to desert environments due to their ability to withstand extreme heat and scarcity of water.
- Their wide, padded feet help them walk on sand without sinking.
- Camels can carry heavy loads and travel long distances across vast desert landscapes.
- They are commonly used by nomadic tribes and in tourist excursions for transportation purposes in deserts.
B. River:
- Camels are not typically used for transportation in rivers or water bodies.
- Their body structure and feet are not designed for swimming or traversing through water.
C. Mountain:
- Camels are not commonly used for transportation in mountainous regions.
- Their body structure and feet are not well-suited for climbing steep slopes or navigating rugged terrains.
D. Snow:
- Camels are not suitable for transportation in snow-covered areas.
- Their bodies are adapted to desert environments and are not equipped to handle cold temperatures and icy conditions.
In conclusion, the correct answer is A. Desert, as camels are primarily used for transportation in desert regions due to their unique adaptations and capabilities in such harsh environments.

The place where ships load or unload goods is called a harbor. Here is a detailed explanation:
Definition:
- A harbor is a sheltered body of water where ships can anchor safely to load or unload goods.
- It provides a protected area where ships can find refuge from rough weather conditions.
Characteristics of a Harbor:
- A harbor is typically located along a coastline or at the mouth of a river.
- It is usually deep enough to accommodate large ships.
- Harbors may have breakwaters or piers to provide additional protection from waves and currents.
- They are equipped with facilities such as docks, cranes, and warehouses for efficient loading and unloading of cargo.
Functions of a Harbor:
- Harbors serve as important transportation hubs for international trade.
- They facilitate the movement of goods between ships and land-based transportation systems such as trucks and trains.
- Harbors can also provide services such as ship repair and maintenance, fueling, and customs clearance.
Examples of Famous Harbors:
- The Port of Singapore is one of the busiest and most important harbors in the world.
- The Port of Rotterdam in the Netherlands is Europe's largest harbor.
- The Port of Shanghai in China is the world's busiest container port.
In conclusion, a harbor is the designated area where ships load or unload goods safely. It plays a crucial role in facilitating global trade and transportation.

Question: Which airport was constructed in an area of 865 acres of land?
Answer: Bangalore Airport
Explanation:
The given statement mentions that the airport was constructed on an area of 865 acres of land. To determine the correct answer, let's analyze the options provided:
A: Bangalore Airport
- This option matches the given information in the statement. HAL (Hindustan Aeronautics Limited) and the Airports Authority of India own the land on which Bangalore Airport is constructed.
- Bangalore Airport is also known as Kempegowda International Airport and is located in Bengaluru, Karnataka, India.
B: Mangalore Airport
- There is no mention of Mangalore Airport being constructed on 865 acres of land in the statement.
C: Indira Gandhi Airport
- There is no mention of Indira Gandhi Airport being constructed on 865 acres of land in the statement.
D: Chhatrapati Shivaji International Airport
- There is no mention of Chhatrapati Shivaji International Airport being constructed on 865 acres of land in the statement.
Therefore, based on the given information, the correct answer is A: Bangalore Airport.

The correct option that carries both passengers and goods is option D. Let's break down the answer into headings and bullet points for clarity:
Option D:
- This option shows a train.
- Trains are a mode of transportation that can carry both passengers and goods.
- They have separate compartments for passengers and dedicated space for transporting goods.
- Passengers can travel in the passenger compartments, while goods can be loaded onto the train cars.
Options A, B, and C:
- Option A shows a car.
- Cars are primarily used for passenger transportation and may have limited space for carrying goods.
- Option B shows a truck.
- Trucks are primarily used for transporting goods and may have limited space for carrying passengers.
- Option C shows a bicycle.
- Bicycles are used for individual transportation and do not have the capacity to carry goods.
Therefore, the correct answer is option D, the train, as it is the only option that can carry both passengers and goods.

Messages distributed by electronic means from one computer user to one or more recipients via a network.

Air Hostess Profession is related to Air Transport.
Air hostess profession is related to air transport. Air hostesses are primarily employed by airlines to ensure the safety, comfort, and well-being of passengers during flights. They play a crucial role in delivering excellent customer service and maintaining a positive experience for passengers.
Here are some key points to understand the relationship between the air hostess profession and air transport:
1. Job Responsibilities:
- Air hostesses are responsible for checking passengers' tickets and guiding them to their seats.
- They provide safety instructions and demonstrate the use of emergency equipment.
- They assist passengers with their luggage and ensure it is stored properly.
- Air hostesses serve meals, snacks, and beverages to passengers during the flight.
- They attend to passengers' requests and address any concerns or issues they may have.
- They maintain a calm and composed demeanor during emergencies and assist in evacuations if necessary.
2. Training and Qualifications:
- Air hostesses undergo rigorous training that includes customer service, safety procedures, first aid, and emergency evacuations.
- They are trained to handle various situations onboard, including medical emergencies, disruptive passengers, and aircraft malfunctions.
- They must possess excellent communication skills, language proficiency, and the ability to remain calm under pressure.
3. Working Environment:
- Air hostesses work on commercial airplanes, both domestic and international flights.
- They work in a team with other cabin crew members, including flight attendants and purser.
- Air hostesses often have to deal with different time zones, long working hours, and irregular shift patterns.
- They must adhere to strict grooming standards and maintain a professional appearance at all times.
In conclusion, the air hostess profession is closely related to air transport as they are an integral part of the airline industry. Their main role is to ensure the safety, comfort, and satisfaction of passengers during flights.

Answer:
The road sign that Cheenu saw was the "no entry" sign. This sign indicates that vehicles are not allowed to enter a particular area or road. However, in this case, a car was forcefully entering the no entry zone, which is a violation of the road rules and can be dangerous for both the car occupants and other road users.
The correct road sign that Cheenu saw is option D, which shows a red circle with a white horizontal bar in the middle. This sign clearly signifies that entry is prohibited and vehicles should not enter that particular area.
Explanation in detail:
- Cheenu and Geetu were walking on the road.
- Cheenu noticed that people were not following road signs, which is not good for their safety.
- Cheenu observed a car forcefully entering a no entry zone.
- The correct road sign that Cheenu saw is the "no entry" sign.
- The "no entry" sign is represented by a red circle with a white horizontal bar in the middle.
- This sign indicates that vehicles are not allowed to enter a specific area or road.
- It is important for drivers to adhere to road signs for their safety and the safety of others.
- Violating road signs can lead to accidents and other road hazards.

The correct statement from the given options is D: All of the above. Let's break down each statement to understand why it is correct:
Statement A: Communication begins with language.
- Language is the primary tool for communication among humans.
- It allows us to convey thoughts, ideas, and emotions to others.
Statement B: Dolphins create unique, high-pitched clicking sounds that appear to be used for communication among themselves.
- Dolphins are known to communicate using a variety of vocalizations, including clicks, whistles, and body movements.
- The high-pitched clicking sounds are believed to be a form of communication that helps dolphins navigate, locate prey, and interact with each other.
Statement C: A revolution in wireless telecommunications began in the 1900s.
- The 1900s marked a significant advancement in wireless telecommunications with the invention of technologies like radio and telegraph.
- These innovations revolutionized long-distance communication and laid the foundation for modern wireless communication systems.
Therefore, since all three statements are correct, option D, "All of the above," is the correct choice.