All questions of Human Environment - Settlement, Transport and Communication for Class 7 Exam

The place where a building or a settlement develops is called its site. which of the natural condition is not an important consideration for the selection of an ideal site?

Telephone is not the mode of transport because it is mode of communication

A mudbrick or mud-brick is a brick, made of a mixture of loam, mud, sand and water mixed with a binding material such as rice husks or straw. In warm regions with very little timber available to fuel a kiln, bricks were generally sun dried.

The most commonly used means of transport especially for short distances are roads. They can be metalled (pucca) and unmetalled (kutcha). The plains have a dense network of roads. Roads have also been build in terrains like deserts, forests and even high mountains. Manali-Leh highway in the Himlayan Mountains is one of the highest roadways in the world. Roads built underground are called subways/under paths. Flyovers are built over raised structures.

Roads built underground are called subways or underpasses and flyovers are roads built over raised structures.

A

City of Cairo

The correct answer is option 'A', which states that Cairo is the name of a city. Cairo is the capital city of Egypt and is one of the largest cities in Africa.

Location of Cairo
Cairo is located on the banks of the Nile River in the northeastern part of Egypt. It is situated in the middle of the country and is thus often referred to as the "heart of Egypt."

History of Cairo
Cairo has a rich history that dates back to the ancient times. It was founded in the 10th century by the Fatimid dynasty and was the center of Islamic learning and culture for many centuries. Cairo has been ruled by various empires throughout its history, including the Ottoman Empire, the British Empire, and the French Empire.

Culture of Cairo
Cairo is known for its rich cultural heritage and is home to numerous museums, art galleries, and historic landmarks. The city is also famous for its vibrant music scene, which includes traditional Arab music, as well as modern styles like pop and hip hop.

Tourism in Cairo
Cairo is a popular tourist destination, attracting millions of visitors every year. The city is home to many famous landmarks such as the Pyramids of Giza, the Sphinx, and the Egyptian Museum.

Conclusion
In conclusion, Cairo is a city located in Egypt, known for its rich history, culture, and tourism. It is an important center of commerce, industry, and education in the region, and plays a significant role in the political and cultural life of the country.

Penguins eat seafood. Their main diet is fish, though they'll also eat squid, small shrimplike animals called "krill" (see photo to the right) and crustaceans.They also have backward facing bristles on their tongues that helps slippery seafood from getting away.

Some region such as the Arctic region and Polar Region is completely covered with snow and are extremely cold. People in that region built house by using a block of snow generally in the form dome shape. Dome shape is to help for keeping the place warm from inside. Igloo is also referred to as a snow house.

Traffic jams and pollution are commonly found in cities. Cities are densely populated areas with a high concentration of vehicles and human activities. The combination of these factors often leads to traffic congestion and pollution.

1. Traffic Jams:
Cities are characterized by a large number of vehicles on the roads. The high population density and the presence of offices, schools, markets, and other commercial establishments contribute to heavy traffic. As a result, traffic jams occur frequently, especially during peak hours when people commute to and from work or school.

- The volume of vehicles on the roads exceeds the road capacity, causing congestion.
- Traffic signals, roundabouts, and intersections become bottlenecks, leading to delays and jams.
- Limited parking spaces and improper parking practices add to the congestion.

2. Pollution:
Cities also suffer from various types of pollution, including air, noise, and water pollution. The high concentration of vehicles, industries, and human activities contribute to these environmental issues.

- Air Pollution: Vehicles emit harmful pollutants such as carbon monoxide, nitrogen oxides, and particulate matter. These pollutants contribute to the formation of smog and can have detrimental effects on human health.
- Noise Pollution: The constant honking of horns and the noise generated by vehicles, construction activities, and commercial establishments create a noisy environment, leading to noise pollution.
- Water Pollution: Urban areas often have inadequate sewage systems and waste management practices, leading to the contamination of water bodies. Runoff from roads and industrial areas can carry pollutants into rivers and lakes.

3. Reasons for Traffic Jams and Pollution in Cities:
Several factors contribute to the prevalence of traffic jams and pollution in cities:

- High population density: Cities attract a large number of people looking for employment opportunities, education, and better facilities. The resulting increase in population leads to more vehicles on the roads and greater pollution.
- Lack of adequate infrastructure: Many cities lack proper road infrastructure, public transportation systems, and parking facilities. This inadequacy exacerbates traffic congestion and pollution.
- Urban sprawl: The expansion of cities without proper planning leads to traffic congestion as people have to travel longer distances for work, education, and other activities.
- Industrial activities: Cities often have a significant number of industries that contribute to pollution, including air and water pollution.

In conclusion, traffic jams and pollution are prevalent in cities due to factors such as high population density, inadequate infrastructure, urban sprawl, and industrial activities. These issues have adverse effects on the environment, human health, and overall quality of life in urban areas.

Expressways are the highest class of roads in the Indian road network. They are six or eight-lane controlled-access highways where entrance and exit is controlled by the use of slip roads. Currently, approximately 1,581.4 km of expressways are operational in India. The National Highways Development Project by Government of India aims to expand the highway network and plans to add an additional 18,637 km (11,580 mi) of expressways by 2022. National Expressways Authority of India operating under the Ministry of Road Transport and Highways will be in-charge of the construction and maintenance of expressways. India has one of the lowest densities of expressways in the world.

Explanation:
Electronic mail or e-mail is a digital service which allows users to send and receive messages and files via the internet. It is considered one of the most popular and cost-effective methods of communication in today's fast-paced world.

Benefits of using e-mail:
- Speed: E-mails can be sent and received instantly, making it a quick and convenient way to communicate.
- Cost-effective: Unlike traditional mail services, e-mails do not require paper, envelopes, or stamps, making it a cost-effective solution.
- Accessibility: E-mails can be accessed from anywhere in the world, as long as there is an internet connection.
- Easy to use: E-mails are easy to use and require no technical expertise.

Features of e-mail:
- Address: E-mails are sent to a specific e-mail address, which consists of a username and domain name.
- Subject line: E-mails have a subject line that briefly describes the content of the message.
- Body: The body of the e-mail is where the message is written.
- Attachment: E-mails can also include attachments such as images, documents, and videos.

Uses of e-mail:
E-mails are used for a variety of purposes, including:
- Business communication: E-mails are commonly used in the business world to communicate with clients, colleagues, and suppliers.
- Personal communication: E-mails are also used for personal communication, such as keeping in touch with friends and family.
- Marketing: E-mails are used for marketing purposes, such as promoting products and services to potential customers.
- Education: E-mails are also used in the education sector to communicate with students and teachers.

In conclusion, e-mail is a digital service that has revolutionized the way we communicate and has become an essential part of our daily lives.

The answer to the question is:
Communication
Explanation:
- Communication is the process of conveying messages to others.
- It involves the exchange of information, ideas, thoughts, and feelings between individuals or groups.
- It can be done through various means such as speaking, writing, listening, and non-verbal cues.
- Effective communication is crucial in both personal and professional settings as it helps in building relationships, resolving conflicts, and achieving common goals.
- Communication can take place in different forms including verbal, written, visual, and electronic.
- It is a two-way process where both the sender and receiver are actively involved in transmitting and receiving messages.
- Good communication skills are essential for effective communication, which include clarity, active listening, empathy, and adaptability.
- Communication plays a vital role in various aspects of life such as education, business, healthcare, and interpersonal relationships.
- With the advancement of technology, communication has become more accessible and convenient through various mediums like smartphones, social media, and video conferencing.
- Overall, communication is essential for effective human interaction and plays a significant role in our daily lives.

Settlements grew near the river valleys because plenty of water was available there and land was fertile. Answer: Settlements which are occupied for a short time are called temporary settlements.