Students can Download Geography Chapter 26 Antarctica – The White Continent Questions and Answers, Notes Pdf, KSEEB Solutions for Class 7 Social Science helps you to revise the complete Karnataka State Board Syllabus and to clear all their doubts, score well in final exams.
Karnataka State Syllabus Class 7 Social Science Geography Chapter 26 Antarctica – The White Continent
Class 7 Social Science Antarctica – The White Continent Textbook Exercise Questions and Answers
I. Answer the following questions.
Question 1.
Mention the location and extent of Antarctica.
Answer:
- Most of the continent lies within the Antarctic circle or 66 °30’ south latitude.
- It is the fifth-largest continent. Its total area is 14.2 million km.
Question 2.
Explain the physical setting of Antarctica.
Answer:
The Continent of Antarctica is surrounded by the Southern Ocean or Antarctic ocean, which is formed by the meeting of southern parts of the Pacific Atlantic, and Indian Oceans.
Question 3.
Antarctica is known as the ‘white’ continent Why?
Answer:
- Ice and snow cover about 98% of Antarctica. Therefore most of the relief features of the continent are covered by ice sheets.
- The ice layer, which is approximately 2300 m thick makes it look white. Therefore Antarctica is called ‘the white continent’.
Question 4.
Mention the important mountains and peaks of Antarctica.
Answer:
The Trans-Antarctic mountain crosses the entire continent. It divides the Antarctica continent into two major physical divisions. East and West Antarctica.
West Antarctica is a land of mountains. ‘Vinson Massif, the highest peak in Antarctica is located in the Ellsworth Mountains. Mt. Erebus, Antarctica’s most active volcano, is on Ross Island. Another one is Prince Charles mountain.
Question 5.
Name the plants and animals of Antarctica.
Answer:
- The natural vegetation consists of moss, lichen, and algae.
- There are a variety of animals like krill, penguins, whales, seal, and a variety of sea birds.
Question 6.
Mention research centuries of India in Antarctica.
Answer:
- Dakshina Gangothri: It was the first settlement India built-in 1983.
- Maitri: Maitri was the settlement set up in 1988 -89 on the Schirmachar oasis for experiments in Geology, Geography, and Medicines. A freshwater lake is built by India. It is called ‘Lake Priyadharshini’.
- Bharathi is the third proposed settlement and an active research station. Its purpose is for the study of oceanography.