(i) Which is not a natural ecosystem?
(a) Desert (b) Aquarium (c) Forest
(ii) Which is not a component of human environment?
(a) Land (b) Religion (c) Community
(iii) Which is a human made environment?
(a) Mountain (b) Sea (c) Road
(iv) Which is a threat to environment?
(a) Growing plant(b) Growing population (c) Growing crops
(i) (b) aquarium
(ii) (a) land
(iii) (c) road
(iv) (b) growing population
Imagine an ideal environment where you would love to live. Draw the picture of your ideal environment.
(i) There is scanty vegetation in the deserts.
(ii) People of the Sahara desert wear heavy robes.
Observe the photographs given below. These are various features made by a river. Identify them and also tell whether they are erosional or depositional or landforms formed by both.
(i) Wet clothes take longer time to dry on a humid day?
(ii) Amount of insolation decreases from equator towards poles?
(i) Today’s world is shrinking.
(i) Why do the plates move?
(ii) What are exogenic and endogenic forces?
(iii) What is erosion?
(iv) How are flood plains formed?
(v) What are sand dunes?
(vi) How are beaches formed?
(vii) What are ox bow lakes?
(i) Which of the following gases protects us from harmful sun vays?
(a) Carbon dioxide (b) Nitrogen (c) Ozone
(ii) The most important layer of the atmosphere is
(a) Troposphere (b) Thermosphere (c) Mesosphere
(iii) Which of the following layers of the atmosphere is free from clouds?
(a) Troposphere (b) Stratosphere (c) Mesosphere
(iv) As we go up the layers of the atmosphere, the pressure
(a) Increases (b) Decreases (c) Remains the same
(v) When precipitation comes down to the earth in the liquid form, it is called
(a) Cloud (b) Rain (c) Snow
(i) Ocean water is salty.
(ii) The quality of water is deterioting.
(i) Name the continent in which the Amazon Basin is located.
(ii) What are the crops grown by the people of the Amazon Basin.
(iii) Name the birds that you are likely to find in the rainforests of the Amazon.
(iv) What are the major cities located on the River Ganga.
(v) Where is the one-horned rhinoceros found?
(i) Sahara is located in which part of Africa
(a) eastern (b) northern (c) western
(ii) Sahara is what type of desert
(a) cold (b) hot (c) mild
(iii) The Ladakh desert is mainly inhabited by
(a) Christians and Muslims
(b) Buddhists and Muslims
(c) Christians and Buddhists
(iv) Deserts are characterised by
(a) scanty vegetation
(b) heavy precipitation
(c) low evaporation
(v) Hemis in the Ladakh is a famous
(a) temple (b) church (c) monastery
(vi) Egypt is famous for growing
(a) wheat (b) maize (c) cotton
(i) Sahara is located in which part of Africa
(a) eastern (b) northern (c) western
(ii) Sahara is what type of desert
(a) cold (b) hot (c) mild
(iii) The Ladakh desert is mainly inhabited by
(a) Christians and Muslims
(b) Buddhists and Muslims
(c) Christians and Buddhists
(iv) Deserts are characterised by
(a) scanty vegetation
(b) heavy precipitation
(c) low evaporation
(v) Hemis in the Ladakh is a famous
(a) temple (b) church (c) monastery
(vi) Egypt is famous for growing
(a) wheat (b) maize (c) cotton
(i) Ocean water is salty.
(ii) The quality of water is deterioting.
(i) Which of the following gases protects us from harmful sun vays?
(a) Carbon dioxide (b) Nitrogen (c) Ozone
(ii) The most important layer of the atmosphere is
(a) Troposphere (b) Thermosphere (c) Mesosphere
(iii) Which of the following layers of the atmosphere is free from clouds?
(a) Troposphere (b) Stratosphere (c) Mesosphere
(iv) As we go up the layers of the atmosphere, the pressure
(a) Increases (b) Decreases (c) Remains the same
(v) When precipitation comes down to the earth in the liquid form, it is called
(a) Cloud (b) Rain (c) Snow
(i) On an outline map of the Indian Sub-continent, draw the rivers Ganga and Brahmaputra from the source to the mouth. Also show the important tributaries of both the rivers.
(ii) On the political map of South America, draw the equator. Mark the countries through which the equator passes.
(i) Collect pictures and photographs of forests and grasslands of different parts of world. Write one sentence below each picture.
(ii) Make a collage of rainforest, grassland and coniferous forests.
(i) On the outline map of Africa, mark the Sahara desert and any four countries around it.
(ii) On the outline map of India, mark the Karakoram Range, Zanskar Range, Ladakh and Zoji La pass.
(i) Which are the two factors on which the growth of vegetation mostly depends?
(ii) Which are the three broad categories of natural vegetation?
(iii) Name the two hardwood trees commonly found in tropical evergreen forest.
(iv) In which part of the world are tropical deciduous forest found?
(v) In which climatic conditions are citrus fruits cultivated?
(vi) Mention the uses of coniferous forest.
(vii) In which part of the world is seasonal grassland found?
(i) Man modifies his environment
(ii) Plants and animals depend on each other
(i) Some rocks have a shape of a mushroom.
(ii) Flood plains are very fertile.
(iii) Sea caves are turned into stacks.
(iv) Buildings collapse due to earthquakes.