8 Class.Geography.CW/HW.Chapter2.Natural Resources : Land,Soil an Water.
altitude : height above the mean sea level.
ecosystem : interdependency or inter - relationship of biological elements of the environment on their physical environment.
1. It is formed by decomposed parts of plants and animal. Humus
2. The original rock from which the soil is formed. Parent Rock.
3. It is formed as a result of long continued weathering process of rocks. Soil.
4. A project which serves various purposes at the same time. Multipurpose River Valley.
5. The process in which the top layer of the soil is removed by the natural and human activities. Soil Erosion.
1. Why is soll considered an important resource? Give any three reasons,
2. Highlight any three causes of soil erosion.
3. Explain hydrological cycle with the help of a diagram.
4. How does river water get polluted? Explain.
5. Identify any three ecological problems caused by building large dams,
1. Explain any five factors responsible for the formation of soil,
2. What is meant by land use pattern? Why is it important to study the land use pattern? List the influencing the utilisation of land.
3. What are Multipurpose River Valley Projects? Name any two such projects. List the main objectives of a multipurpose river valley project.
4. Suggest any five steps to conserve soil.
5. Suggest any five methods for the conservation of water.
Chapter 3
Something To Know A. Tick the correct option. 1. Which term is used for the plant community which grows without human interference? (b) natural vegetation (a) plantation (c) agriculture (d) gardening 2. Which vegetation grows in hot and humid regions of the world? (a) Tropical Evergreen Forests (b) Tropical Deciduous Forests (c) Mediterranean Forests (d) Temperate Softwood Forests 3. The most common trees of Tropical Deciduous Forests are (a) ebony and mahogany (by sal and teak (c) cork and olive (d) oak and chestnut 4. Trees of Mediterranean Forests are (a) broad leaves (b) needle shaped leaves (c) spiny and waxy leaves (d) small size leaves 5 The area under forests is depleting due to (a) natural calamity (b) human interference (c) climatic change (d) water shortage B. Fill in the blanks. 1 2 wady of the soil. The assemblage of plant species in an environment is known as nalural vegelotion vand sunlight are two important factors for the plant growth. 3. Humus helps to maintain fasetlity hardwood trees have broad leaves to permition of surplus moisture. Teak is the commercially important tree of the pasiduous forests, 4. 5. (28) 3472
C Wir fecull term of a propriate word for each of the following territs The toreas which do not owo will thank lewenis at the same titra. 2. m this fort, summen we dey and modesta vain falle im wieder 3 con chapad troos me common in these foreste the motor process of creating new forests tw luiting saplings, 6. The temperate Schwed bonests found in the Unithorn slopes of Himatnya. 0 Anwer the following questions in tried, 1 Wiw we the Tropical Rainforests known as evergreen forenc? 2 Why do the Tropical Deciduou foreus shed their leaves during the summer nuant Naane two such 8 Wine any three characteristic features of the trees found in the Mediterranean fenests A Distinguish between a national park and a wildlife Sanctuary 5. Sest mw the important measures for the protection of forests. 1 Answer the following questions, 1. What is meant by natural vegetation? How do temperature and rainfall affect its distribution? Explain With Examples 2 Highlight any five points of distinction between Tropical Deciduous Forests and Coniferous Forests. 3 Forests are essential for carrying an ecological balance justify the statement with suitable arguments * Explain the importance of wildlife, 5. How are human beings responsible for the depletion of vegetation and wildlife? Value Based Ouestion Chipko Movement The Chipre Movement was based on the Gandhian philosophy of novense and aimed at the protection and conservation of forests from destruction. This aptation Inspired the women. Thay huwend the trees and said of the trees were to be cut, they would have to first kill the worven embracing them
Women were the worst affected by this deforestation as it was causing water shortage, landslide, shortage of firewood and fodder. They believed in traditional relationship of forest and humans. For them it was the right for survival 1 Why is the Chinka Movement called a light for survival? 2. Mention any three lessons which all of us learn from this movement. Map Skill on an outline political map of the world, mark and name the following (a) Yellowstone National Park in USA (b) Bandhavparh National Park of India (c) Kaziranga National Park of India (d) Ecrins National Park of France (e) ) Charles Darwin National Park of Australia Something to Do 1 Prepare a tabular chorton National Parks of Indio, giving information under the following columns Name of the National Park Location (State) Bird / Animal which is protected 2 Paste pictures of trees / plants having medicinal Value in your scrapbook, Which of these plants have you grown in your school or plan to Brow? 3. Collect some specimen of leaves from the neighborhood and classify them on the basis of their texture, size and broadness. Paste them in your scrapbook 301
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