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The Desert Extra Questions and Answers Class 7 English An Alien Hand
The Desert Extra Questions and Answers Short Answer Type
What is the popular belief regarding vegetation in desert?
The popular belief is that it is an endless stretch of sand where no rainfalls and therefore, no vegetation grows.
What is Oasis?
An Oasis is like a green island in the middle of a desert where a spring or a well gives plants and trees a better chance to grow.
What is the real definition of a desert?
If a place has little or no water and vegetation, people usually call it a desert.
What are ‘sand dunes’?
Sand dunes are heaps of sand and deposition that shift and move endlessly across the desert.
How do desert plants and animals adapt themselves with scarcity of water?
Desert plants and animals learn to require much less water than most plants and animals.
What is the unique feature of ship of the desert?
The camel adapted it in desert. It can drink a lot of water at one time and sweat a little. It can do with-out water for days together.
Why do we sweat?
We sweat because we must keep our body temperature constant.
How do small animals manage in desert?
Small animals remain in their hideouts or burrows during the day and come out at night only. Animals gets moisture from the meal they eat or from seeds and plant juices.
How do desert plants adapt themselves?
Desert plants store water in their thick stems. Their roots lie close to the surface of the ground and quickly absorb the moisture from the light rains that occasionally fall.
How is absence of moisture helpful in desert?
The absence of moisture blanket in desert lands causes the desert to heat up rapidly during the day and to cool off rapidly at night.
The Desert Extra Questions and Answers Long Answer Type
‘Desert can be a beautiful place’ yet water is the necessity of every individual. Discuss and throw light on conservation of water and its resources.
Nature has bestowed us with its bounties and gifts and deserts are one of them. But the hardships faced by the inhabitants are really harsh. Water resources are depleting and no measures are taken into consideration for optimum use of it. Well and rivers are drying up. Constant source of rain water needs to be restored and more canals should be dug so as to provide the basic necessity of every living being.
Animals and plants that live in desert have adapted themselves yet facing hardship is part of their lives comment.
Living in deserts is full of hardships be it cold or hot desert. The struggle of sustenance takes a toll on life in desert. They have to face scarcity and extremities of weather conditions. Less flora and fauna blot the beauties of these places. People have to stay inside during day restricting their working hours.
Describe a desert in your own way. Write a paragraph and read it aloud to your classmates.
A desert is generally without water and vegetation but it is as beautiful as a forest. A desert may be too hot or too cold but plants and animals. They have learned to survive in hot and dry and cold condition. Deserts also have a different kind of vegetation.
From the first paragraph
(i) pick out two phrases which describe the desert as most people believe it is;
(ii) pick out two phrases which describe the desert as specialists see it. Which do you think is an apt description and why?
(i) Two phrases which describe the desert as most people believe it is:
“dry. hot, waterless and without shelter”
“a flat, unchanging wasteland of dry sand”
(ii) Two phrases which describe the desert as specialists see it:
“a beautiful place”
“home of a variety of people, animals and plants”
The description of the desert as specialists see it is more apt as their description is based on actual studies, and not just on beliefs and assumptions.
A camel can do without water for days together. What is the reason given in the text?
A camel can do without water for days together because they sweat very little. Camels can stand high body temperature. They don’t need to sweat and therefore can retain the water they drink for long periods of time.
How do the smaller desert animals fulfil their need for water?
The smaller desert animals spend the day in the underground burrows to escape the heat. Some of them eat other animals and get the water they need from the moisture from the meat. Others eat plants and get the water they need from plant juices.
In a desert the temperature rises during the day and falls rapidly at night. Why?
In humid climates, the moisture in the air acts like a blanket and protects the earth’s surface from the rays of the sun. The absence of the blanket in desert lands causes the desert to heat upto rapidly during the day and to coo^ off rapidly at night.