At Saralstudy, we are providing you with the solution of Class 7 Social Science - Our Environment (Geography) Natural Vegetation and Wildlife according to the latest NCERT (CBSE) Book guidelines prepared by expert teachers. Here we are trying to give you a detailed answer to the questions of the entire topic of this chapter so that you can get more marks in your examinations by preparing the answers based on this lesson. We are trying our best to give you detailed answers to all the questions of all the topics of Class 7 Social Science - Our Environment (Geography) Natural Vegetation and Wildlife so that you can prepare for the exam according to your own pace and your speed.
(i) Temperature and moisture are the two basic factors on which the growth of vegetation mostly depends.
(ii) Three bond categories of natural vegetation are as follows:
- Forests
- Grasslands
- Shrubs
(iii) Two hardwood tress commodity found in tropical evergreen forests are:
- Rosewood
- Ebony
(iv) Tropical deciduous forests are present in the large part of India, northern Australia and in central America.
(v) Citrus fruits cultivated in the regions where the climatic condition is hot dry summers and mild rainy winters.
(vi) Uses of coniferous forest are:
- Marketing pulp for manufacturing of paper and newsprint.
- Match boxes and packing boxes are also made from softwood tress.
- Chir, pine, cedar are economically important variety of tress.
(vi) Seasonal grassland found is found in the middle latitudinal zones and in the interior part of the continents.
(i) (c) tundra vegetation
(ii) (b) hot and dry desertic climate
(iii) (a) money
(vi) (b) pine
(v) (c) central asia
(i) Walrus (c) a polar animal
(ii) Cedar (a) Soft wood tree
(iii) Olives (f) a citrus fruit
(iv) Elephant (b) An animal of tropical deciduous forest
(v) Campos (g) tropical grassland of brazil
(vi) Downs (d)temperate grassland in Australia
(i) the animals that lives in polar region have thick fur and thick skin to protect themselves from the extreme cold climate conditions.
(ii) tropical deciduous trees shed their leaves in the dry season to survive in the harsh weather conditions.
(iii) the type and thickness of vegetation changes from place to place due to variation in various factors like temperature, altitude, thickness of soil and rainfall at different places.
(i) tropical evergreen forest: these are found in the regions which is present near the equator and close to the tropics. These regions are hot and receive heavy rainfall throughout the year. These tress do not shed their leaves together.
Temperature evergreen forest: these forest are commonly found along the eastern edges of the continents and comprise both hard and soft wood tress like pine, saal etc.
Tropical grassland: the grass can grow very tall about three to four meters in height. Savannah grasslands of Africa are the example of these grassland.