1-MARK QUESTIONS
Q1: What is the popular belief about deserts?
A1: The popular belief is that deserts are endless stretches of sand, dry, hot, and without vegetation.
Q2: Is the popular belief about deserts entirely correct?
A2: No, the popular belief is not entirely correct, as deserts can have a variety of people, animals, plants, and even areas of vegetation.
Q3: What happens when it rains in the desert?
A3: When it rains, desert flowers bloom, making the desert look as beautiful as any tropical garden.
Q4: What is an oasis?
A4: An oasis is a green area in the middle of the desert where a spring or a well provides water for plants and trees to grow.
Q5: Can deserts be cold?
A5: Yes, deserts can be cold, like the desert in Ladakh.
Q6: What are sand dunes?
A6: Sand dunes are heaps of sand raised by strong winds that shift and move across the desert.
Q7: What is the main reason camels can survive without water for a long time?
A7: Camels sweat very little and can retain the water they drink for long periods.
Q8: Do smaller desert animals drink water?
A8: No, smaller desert animals do not drink water; they get moisture from the food they eat.
Q9: How do desert plants like cactus survive in the dry conditions?
A9: Cactus plants store water in their thick stems and have roots close to the surface to quickly absorb moisture from light rains.
Q10: What is the major feature of deserts?
A10: The major feature of deserts is dryness and temperature variations.
2-MARK QUESTIONS
Q11: How do desert animals like camels adapt to the hot desert climate?
A11: Camels can withstand high body temperatures without sweating, which helps them retain the water they drink for longer periods.
Q12: Why does the desert heat up rapidly during the day and cool off quickly at night?
A12: The absence of moisture in the air, which acts as a blanket in humid climates, causes the desert to heat up rapidly during the day and cool off quickly at night.
Q13: How do smaller desert animals get the water they need?
A13: Some smaller desert animals eat other animals and get water from the moisture in the meat, while others eat plants and seeds and get water from plant juices.
Q14: What is the importance of deserts in nature?
A14: Deserts are an important part of nature’s great plan, just like dense forests and deep oceans. They should not be seen as useless parts of the earth.
Q15: How does the desert’s temperature fluctuate during the day and night?
A15: During the day, the desert heats up quickly due to the lack of moisture in the air, and it cools off rapidly at night due to the absence of a protective moisture blanket.
4-MARK QUESTIONS
Q16: Explain the adaptation of camels to desert life.
A16: Camels, known as the “ship of the desert,” can survive in harsh desert conditions due to their ability to drink large amounts of water at once and retain it for a long time. They sweat very little, which helps them conserve water, unlike humans who sweat to cool down. This makes them well-suited to the desert’s dry conditions.
Q17: How do desert plants, such as cacti, adapt to the lack of water?
A17: Desert plants like cacti store water in their thick, fleshy stems. Their roots are shallow and spread wide to quickly absorb any moisture from light rains. This adaptation allows them to survive in the dry, arid desert environment where water is scarce.
Q18: Describe how animals in the desert get the water they need to survive.
A18: Animals in the desert have adapted to survive without direct access to water. Camels drink large amounts of water at once, while smaller animals obtain moisture from the food they eat, such as plant juices or the moisture found in meat. These adaptations allow them to live in the dry desert conditions.
Q19: How does the desert landscape differ from the common belief of being just endless sand?
A19: Contrary to the common belief, deserts are not just endless stretches of sand. They can have mountains, hills, and even oases, which are green areas with water that support plant and tree life. The desert is a diverse and dynamic environment, not just a barren wasteland.
Q20: Discuss why deserts, despite being hot and dry, should not be considered useless.
A20: Deserts are a crucial part of the earth’s ecosystem. They provide a unique habitat for plants, animals, and humans who have adapted to survive in these harsh conditions. Just like forests and oceans, deserts play an essential role in nature’s balance and are not useless, even though they are hot and dry.
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