Revised Chapter 8 Geography

DCM SR SEC SCHOOL

FEROZEPUR CANTT

GEOGRAPHY---LESSON 8 (Dec syllabus)

                                             CLASS VI---Social Science

                                  INDIA-CLIMATE, VEGETATION AND WILD LIFE

KEYWORDS

1.    Extinct: - Any species of plants or animals not been sighted during last 6-10 decades are called extinct species. Ex: - Dinosaurs are extinct species of animals.

2.    Endangered: - The plant and animal species which are in the danger of getting extinct are called endangered species.  Ex: - Indian bustard of Rajasthan is an endangered species.

3.    National Parks: - A reserved area for preserving its natural vegetation, wildlife and natural environment. There are at present 86 national parks. Ex: - Jim Corbett, Kaziranga.

4.     Sanctuaries: - They are reserved areas where animals and birds are protected. Hunting and killing of wild life is strictly prohibited here. Ex: - Bharatpur Bird Sanctuary, Sultanpur Bird Sanctuary.

5.    Biosphere Reserves: - They are multi-purpose protected area, where every plant and animal species is protected in its natural habitat. Research on ecological conservation and other aspects of environmental preservation is also carried out here. Ex: - Nilgiri at the tri-junction of Karnataka, Tamilnadu and Kerala, Nokerk in Meghalaya.

6.    Project Tiger: - To protect the endangered species of tiger.

7.    Migratory Birds: - some birds migrate to our country in the winter season every year. They arrive in December and stay till March. Ex: - Pelican, Siberian etc.

ANSWER THE FOLLOWING QUESTIONS: -

1.    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 very necessary for crops and agricultural activities in India.

2.    Name the different seasons in India?

Ans. broadly four major seasons is recognized in India:-

a)    Cold weather season (winter) December to February.

b)   Hot weather season (summer) March to May.

c)    South-West monsoon season (Rainy) from June to September.

d)   Season of retreating monsoon from (October to September).

3.    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 human beings. They adjust to climatic and soil conditions.

4.    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

5.    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 forests thus always appear green and are called evergreen forest.

6.    In which parts of India are throny bushes found and how do they survive in dry areas?

Ans. This type of vegetation is found in the dry regions of the country. They have leaves in the form of spines to reduce loss of water. Cactus, Khair, Babool, keekar are found in the states of Rajasthan, Punjab, Haryana, Gujarat and eastern slopes of Western Ghats.

7.    What is the difference between evergreen forest and deciduous forest?

Ans.

Evergreen Forest

Tropical deciduous forest

-          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 and 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.

8.    Why are forests necessary?

Ans. Forests are very useful for us. They are necessary because: -

a)    Plants give oxygen and absorb carbon dioxide and thus purify the environment.

b)   The roots of the plants bind the soil, which helps in controlling soil erosion.

c)    Forests are the natural habitat of the wildlife.

We get forest products like timber, fuel, wood, fodder, medicinal plants and herbs, lac, honey,