Exercise - Question:
Q1. Answer the following questions briefly.
(a) Which Winds bring rainfall in India ?why is it so important ?
Ans. Monsoon winds bring rainfall in India. These winds are very important because the rainfall is necessary for crops and agricultural activities in India.
(b) Name the different seasons in India.
Ans. Broadly four major seasons are recognized in India :
(a) Cold weather season (Winter) December to February.
(b) Hot weather season (summer) from march to May.
(c) South-west monsoon season (Rainy) from June to September.
(d) Season of retreating monsoon from October and November.
(c) What is natural vegetation ?
Ans. The plant community which has been left undisturbed over a long period of time. They grow on their own, without interference from on their own, without interference from human beings. They adjust to climatic and soil conditions.
(d) Name the different types of vegetation found in India.
Ans. Vegetation found in India can be divided into five types.
(a) Tropical Evergreen forest
(b) Tropical Deciduous forest
(c) Thorny bushes
(d) Mountain vegetation
(e)Mangrove forests
(e)What is the difference between evergreen forest and deciduous forest ?
Ans.
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Evergreen forest |
Tropical deciduous forest |
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- They occur in areas where the rainfall is very heavy. they are so dense that sunlight does not reach the ground. - Many species of trees are found, which shed their leaves at different times of the year. They always appear green and so are called evergreen forest. - Important trees found are mahogany, ebony, rosewood. - They are found in Andaman and Nicobar islands, parts of north-eastern states and narrow strip of western slope of Western Ghats. |
These forests are also called monsoon forests. They are less dense.
They shed their leaves at a particular time of the year.
Important trees are sal, teak, peepal, neem and shisham. They are found in Madhya Pradesh, Bihar, Jharkhand, Chattisgarh, Orissa and in parts of Maharashtra.
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(f) Why is tropical rain forest also called evergreen forest ?
Ans. Many species of trees are found in the tropical rain forest, which shed their leaves at different time of the year. The forest thus always appear green and is called evergreen forest.
Q2. Tick the correct answers.
(a) The world's highest rainfall occurs in
(i) Mumbai
(ii) Asansol
(iii) Mawsynram
(b) Mangrove forests can thrive in
(i) saline water
(ii) fresh water
(iii)polluted water
(c)Mahogany and rosewood trees are found in
(i) mangrove forests
(ii)tropical deciduous forests
(iii)tropical evergreen forests
(d) Wildgoat and snow leopards are found in
(i) Himalayan region
(ii) Peninsular region
(iii) Gir forests
(e) During the southwest monsoon period the moisture laden winds blow from
(i) land to sea
(ii) sea to land
(iii) plateaus to plains
Ans. (a) (iii), (b) (i), (c) (iii), (d) (i), (e) (ii).
Q3. Fill in the blanks.
(a) Hot and dry winds known as..... blow during the day in the summers.
(b) The states of Andhra Pradesh and Tamil Nadu receive a great amount of rainfall during the season of ..........
(c) ........ forest in Gujarat is the home of .........
(d) ........ is a well known species of mangrove forests.
(e) ........ are also called monsoon forests.
Ans. (a) loo,
(b) retreating monsoon,
(c) Gir, lions,
(d) Sundari,
(d) Tropical deciduous forests.
