Natural Vegetation

CHAPTER-6

NATURAL VEGETATIION AND WILDLIFE

Question/Answer

Q.1- What is natural vegetation?
A.1 A vegetation which grow without human effort is known as Natural Vegetation.

Q.2- Which are the two factors on which growth of vegetation depends?
A.2- The growth of vegetation is depend on the temperature, Thickness of soil , moisture, and slop.

Q.3- Which are the three Broad categories of natural vegetation? Explain.
A.2- I. Forest- Grow where temperature and rainfall  are adequate to support a tree cover.

II. Grassland – Which Grow in the region of moderate rain.
III. Shrubs- Thorny shrubs and shrubs  are grown in dry region.

Q.4 Write the difference between Tropical Evergreen Forest and Tropical Deciduous Forest?
A.4

Tropical Evergreen forest	Tropical deciduous Forest
1.These are also called tropical rain forest	These are called monsoon forest
2. These region are hot and receive heavy rainfall throughout the year.	These region receives regional changes
3.Tress  do not shred their leaves	Trees shed their leaves
4.Hardwoods tress Like-Rosewood, Ebony and mahogany	Hardwood trees find in this region are Teak, Shish am

Q.5 Where is temperate evergreen forest located and what does it comprise?
A.5- These evergreen forest are located in the mid latitude coastal region. They comprise both hard wood and soft wood tress like- Oak, Pine, Eucalyptus.

Q.6 Write the features of Temperate Deciduous forest?
A.6-The Forest are found in the northern eastern part of USA, China, New Zealand Chile. The Common Trees are Oak, Ash, Beech etc. Dee , Foxes , Wolves are the animal commonly found. Birds like Peasants, are also find here.

Q7. Where Mediterranean vegetation is found?
A7. I. California in the USA.
      II. South West Africa.
     III. South Western South America.
     IV. South West Australia.

Q8. Why citrus food such as Oranges, figs, Olives, and grapes are commonly Cultivated?
A8. Citrus food such as Oranges, figs, Olives, and grapes are commonly cultivated because people have removed the natural vegetation in order to cultivate what the want to.

Q. 9. Why the types and thickness of natural vegetation varies from place to place?
A.9. The Types and thickness of natural vegetation varies from place to place because of the variation in temperature and moisture and slope and thickness of soil.

Q.10. Why the changes in the type of natural vegetation occurs mainly?
A.10. The changes in the type of natural vegetation occurs mainly because of the changes of climatic condition.

Q11. Write the hardwood trees of tropical deciduous forest and their uses?
A.11. The hardwood trees of tropical deciduous forest are sal , teak neem and shisham. Hardwood trees are extremely useful for making furniture, transport and construction material.

Q12. Why tropical rainforest is known as Evergreen?

A.12. As there is no particular dry season, the trees do not shed their leaves altogether . This is the reason they are called evergreen.

Q13. What do you mean by Taiga?

A13. Taiga means pure or untouched in the Russian language.

Q14. Why vegetation is very scare in desert region?

A14. Vegetation is very scare in desert region because of scanty rain and scorching heat.

Q15. In which climatic condition are citrus fruit is cultivated?

A15. Citrus fruit are cultivated in hot dry summer and mild rainy winters.

Q16. The animal in polar region have thicker fur and thick skin why?

A16. The animal in polar region have thicker fur and thick skin to protect themselves from cold climatic condition.

Q17. Tropical deciduous tree shed their leaves in dry season why?

A17. Tropical deciduous tree shed their leaves in dry season to conserve water.

Q18. Mention the uses of coniferous forest?

A18.   1. Wood of coniferous trees are very useful for making pulp.
           2. Pulp is used for manufacturing paper.
           3. Pulp also helps to manufacturing newsprint.
           4. Match the boxes and packing boxes are also made from softwood.

Q19. In which part of the world in seasonal grassland found?

A.19. (i) Tropical Grassland- these occur on either side of equator or extend till the tropics. The gross can grow very tall about 3to 4 meters in height. Elephant, zebra, giraffe etc. are found.

(ii) Temperate Grassland: - Temperate grassland are found in the mid latitudinal zones and in the interior part of the continent. Examples are wild buffalo, bison etc.