We 'n' Our Society - 6.pdf - School Books Publishers India

5. The Sunderbans of West Bengal is Famous for :(a) Black buck(b) Tiger3(c) Elephant(d) None of themB. Write True or False :1. India is the only country in the world that has both tigersand lions.True2. The Sunderbans cover part of Ganga-Yamuna delta. False3. Thorn forests have small thorny bushes. True4. Forests grow well in areas where there in no rainfall. False5. The world's highest rainfall has been recorded in Cherrapunji. TrueC. Fill in the blanks :1. The annual cycle of seasons in India is dominated by the temperatureand monsoon.2. The important trees in the grassland and thorn forests are babool andkikar.3. Rain forests are found in areas receiving 300 cm rainfall annually.4. Himalayas shields the country against bitter cold winds from thenorth.5. The pre-monsoon showers in Kerala are called Mango shower.6. Monsoon starts retreating from the month of September.7. The Monsoon exerts a moderating influence on the sub-continent.8. The world's highest rainfall is recorded at Mawsynram nearCherrapunji .D. Write short notes on the following :1. Cold weather reasons – The month of December, January andFebruary are the months of winter season. The sun rays do not falldirectly on the land. Due to influence of the sea, there is not muchdifference in day and night temperature.2. Hot weather season – It starts from middle of March till may. It getsvery hot because the sun shines vertically over India. Almost everypart of India experiences hot and dry weather. The hot winds, calledloo, blow in the region.3. Cycle of seasons – The main four seasons in India depend onvariations in temperature and influence of monsoon winds. These fourseasons are- Winter, Summer, Rainy season, Retreating Monsoon.4. Desert vegetation – The desert and semi-desert forests are found inareas where the rainfall is less than 85cm a year. Here the climate ishumid and high temperature. Most of the trees and bushes have deeproots, long thorns and thick barks. Trees like babool, kikar, palms arecommon. This type of vegetation is mostly found in Rajasthan.5. The Tidal forests – There forests are found near the sea coasts. Theseare also called Mangrove forests. These forest can survive in bothfresh and salt water. e.g. Sunderbans. Here the trees provide hard, oilyand durable wood, which is used in construction work and makingboats.6. The dry forests – These are found in dry regions where the rainfall isless than 100cm. The trees are usually small and stunted and thornycalled shrub. e.g. Kikar, babool, cacti, date, palm and Khair.Horizon Press 27We 'n' Our Society – 6