BPSC (Bihar) Exam > BPSC (Bihar) Videos > Geography for State PSC Exams > Arctic or Polar Climate - Examrace (Dr. Manishika)
Arctic or Polar Climate - Examrace (Dr. Manishika) Video Lecture | Geography for State PSC Exams - BPSC (Bihar)
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FAQs on Arctic or Polar Climate - Examrace (Dr. Manishika) Video Lecture - Geography for State PSC Exams - BPSC (Bihar)
| 1. What is the difference between an Arctic climate and a Polar climate? |  |
Ans. The terms "Arctic climate" and "Polar climate" are often used interchangeably, but there is a slight difference between the two. The Arctic climate refers specifically to the climate found in the Arctic region, which is characterized by cold temperatures, short summers, and long, harsh winters. On the other hand, the term "Polar climate" is a broader term that encompasses both the Arctic and Antarctic regions. So, while all Arctic climates can be considered Polar climates, not all Polar climates are located in the Arctic.
| 2. What are the typical characteristics of an Arctic climate? | |
Ans. An Arctic climate is characterized by extremely cold temperatures, usually below freezing for most of the year. The summers are short and cool, with temperatures rising just above freezing. Winters are long and harsh, with temperatures dropping significantly below freezing. The region experiences strong winds, heavy snowfall, and ice formations. Due to the extreme cold, vegetation is limited to hardy plants such as mosses, lichens, and shrubs.
| 3. How does climate change impact the Arctic and Polar regions? | |
Ans. Climate change has a significant impact on the Arctic and Polar regions. Rising temperatures lead to the melting of ice caps and glaciers, causing a rise in sea levels. This not only affects the local ecosystem but also has global implications for coastal areas. The reduction in ice cover also disrupts the habitat of Arctic animals like polar bears and seals. Climate change also affects the delicate balance of the food chain in these regions, as it alters the timing of seasonal events such as ice formation and melting.
| 4. What are some adaptations of Arctic animals to survive in the harsh climate? | |
Ans. Arctic animals have evolved various adaptations to survive in the harsh Arctic climate. For example, polar bears have a thick layer of fat and a dense coat of fur to insulate them from the cold. They also have a layer of blubber for additional insulation. Arctic foxes change their fur color from brown in summer to white in winter to blend in with the snow. They also have a compact body and short legs to minimize heat loss. Many Arctic animals have a reduced surface area to volume ratio, which helps them retain heat.
| 5. How does the Arctic climate impact human activities in the region? | |
Ans. The Arctic climate poses challenges for human activities in the region. The extreme cold and harsh winters make transportation and infrastructure development difficult. The frozen ground, known as permafrost, can cause issues for building foundations and pipelines. The icy conditions also affect maritime activities, such as shipping and fishing. Additionally, the changing climate and melting ice have opened up new opportunities for resource extraction, such as oil and gas, but also raise concerns about the environmental impact and indigenous communities' rights.
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Oct 25, 2024 Last updated |
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