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Life in the Desert Regions | Footprints Class 7: Book Solutions, Notes & Worksheets PDF Download

Q1: Which continent is the Sahara Desert located in?
Ans: Africa.

Q2: Name three countries that the Sahara Desert covers.
Ans: Algeria, Libya, and Egypt.

Q3: What are the natural boundaries of the Sahara Desert?
Ans: 
The Mediterranean Sea and the Atlas Mountains in the north, the Nile Valley and the Red Sea in the east, the Niger Valley in the south, and the Atlantic Ocean in the west.

Q4: What are the main features of the Sahara Desert's landscape?
Ans: 
Sand dunes and rocky patches.

Q5: What can be found in the oases of the Sahara Desert?
Ans: 
Groundwater comes to the surface, supporting vegetation like date palms.

Q6: Describe the climate of the Sahara Desert.
Ans:
The climate features extreme temperatures, with scorching hot days and freezing cold nights, and annual rainfall less than 25 cm per year.

Q7: In which country is Ladakh located?
Ans:
India.

Q8: What does "Ladakh" mean in Tibetan?
Ans:
Land of high passes.

Q9: What is the range of altitude in Ladakh?
Ans:
From 3,000m near Kargil to about 8,000m in the Karakoram Range.

Q10: Which significant saltwater lake is located in Ladakh?
Ans:
Pangong Tso.

Q11: What is the average annual precipitation in Ladakh?
Ans:
About 10 cm.

Q12: How does the climate in Ladakh vary between summer and winter?
Ans: 
Summer temperatures range from 30°C during the day to -30°C at night, while winter temperatures remain below freezing during the day and can drop as low as -35°C at night.

Q13: Why does Ladakh receive minimal rainfall?
Ans: 
It lies in the rain shadow of the Great Himalayan Range.

Q14: Describe the overall climate of Ladakh.
Ans: 
The climate is extreme, with very low temperatures and minimal rainfall.

Q15: What is the largest freshwater lake situated in the Sahara Desert?
Ans: 
Lake Chad.

Q16: How does the climate of the Sahara Desert change from west to east?
Ans: 
There is a rise in temperature and decrease in humidity as one moves eastwards, with the Libyan region being the most arid.

Q17: Name two rivers that flow along the fringes of the Sahara Desert.
Ans: 
The Nile and Niger rivers.

Q18: What kind of winds are common in the Sahara Desert?
Ans:
Hot, dry, and dusty winds such as the khamsin, sirocco, harmattan, and the simoon.

Q19: Name two mountain ranges that border Ladakh.
Ans: 
The Karakoram Range in the north and the Zanskar Mountains in the south.

Q20: What causes heavy snowfall in Ladakh during winter?
Ans:
Westerly disturbances and cold winds from Central Asia passing through the mountain passes.

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FAQs on Life in the Desert Regions - Footprints Class 7: Book Solutions, Notes & Worksheets

1. What are some common adaptations that plants and animals in desert regions have to survive in extreme conditions?
Ans. Plants in desert regions often have small leaves, deep root systems, and the ability to store water. Animals have adapted by being active during cooler times of the day, having specialized kidneys to conserve water, and having thick skin or fur to protect against the sun.
2. How do people living in desert regions access water for their daily needs?
Ans. People living in desert regions access water through methods such as digging wells, using water conservation techniques, collecting rainwater, and importing water from other areas.
3. What are some of the challenges faced by communities living in desert regions?
Ans. Some of the challenges faced by communities living in desert regions include water scarcity, extreme temperatures, limited vegetation for agriculture, and the threat of sandstorms.
4. How do desert regions contribute to the global ecosystem?
Ans. Desert regions play a crucial role in the global ecosystem by providing habitats for unique plant and animal species, contributing to biodiversity, and influencing weather patterns through their impact on air circulation.
5. What are some sustainable practices that can help conserve desert ecosystems?
Ans. Sustainable practices to conserve desert ecosystems include reducing water usage, promoting reforestation and restoration projects, implementing desert agriculture techniques, and raising awareness about the importance of preserving these fragile environments.
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