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प्रश्न
Long Answer Question:
Elaborate on the special features of vegetation in the hot desert region.
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उत्तर
The hot deserts are not good for vegetation due to climatic conditions. The rainfall is too scanty to support a vegetable cover. Therefore a lot of bare ground on desert land.
- The type of vegetation growing here consists of thorny scrubs like cactus, prickly pear, and other plants which are adapted to survive in a region of low rainfall. These are called Xerophytic plants.
- Some species have thick leathery leaves, some are leafless while some plants have a repugnant smell so that they are not eaten by animals.
- Cacti are the most typical plants in the deserts. The Saguaro Cactus in the Arizona Desert (USA) is the famous cactus.
- The date palm grows best only in hot deserts as it requires plenty of sunshine and sandy soil. Date palms are grown near the oases where under groundwater occurs near the surface.
संबंधित प्रश्न
Briefly state the importance of climate.
Prepare the rainfall graph of the data given below and answer the questions that follow :
| Jan. | Feb. | Mar. | Apr. | May | June | July | Aug. | Sep. | Oct. | Nov. | Dec. | |
| Temp(°C) | 26.9 | 27.6 | 28.7 | 29.1 | 28.4 | 26.5 | 25.9 | 26.0 | 26.4 | 26.8 | 27.1 | 26.9 |
| Rainfall mm | 22.2 | 25.4 | 48.7 | 128.5 | 326.3 | 741.3 | 610.4 | 348.7 | 249.0 | 316.9 | 159.8 | 47.4 |
(a) What is the average annual temperature?
(b) Calculate the annual range of temperature.
(c) In which climate type is this station?
What is the difference between sea water and fresh water?
What is a hydro logical cycle?
What gases does air contain?
What does subsoil contain?
Give reasons for the following:
The western margins of continents are extremely dry.
Define Sericulture
Long Answer Question:
What is the mode of rainfall in the hot desert region?
Due to its mild and warm climate, people from the West European region are not energetic.
