Our country India is one of the 12 ________ countries of the world.
mega bio-diversity.
What type of soil are found in deserts?
Sandy soil.
Are forest renewable or non-renewable resources?
Renewable resources.
The percentage of forest cover in India?
On the slopes of Himalayas and the hills of the Peninsula above the height of ___ metres.
915
How many plant species are found in India?
47,000 plant species.
Define the term Flora.
The term flora is used to denote the plants of a particular region or period.
How many animal species are found in India?
appro. 90000 species.
The virgin vegetation are purely Indian are known as _____ . Those which have come outside of India are termed as _____ plants.
Endemic, Exotic
Define the term Fauna.
The species of animals are referred to as fauna.
In India, almost the entire rainfall is brought in by? (state the dates also)
Advancing southwest monsoon (June to September) and retreating northeast monsoon.
Temperature characteristics of Tropical zones.
Mean annual Average temp.- above 24*c
Mean temp in Januray - above 18*c
Remarks- No Frost
Why are the southern slopes in Himalayan region covered with thick vegetation cover as compared to northern slopes of the same hills?
The southern slopes in Himalayan region are covered with thick vegetation as compared to northern slopes of the same hills on account of more exposure to sunlight, more precipitation, and less exposure to colder wind.
Define Virgin vegetation. Give examples.
Natural vegetation refers to a plant community, which has grown naturally without human aid and has been left undisturbed by humans for a long time. This is referred to as virgin vegetation. Orchads, cultivated crops and fruits etc.
What do forests do for the enviroment?
Forests play a major role in enhancing the quality of enviroment. They modify local climate, control soil erosion, regulate stream flow, support a variety of industries, provide livelihood for many communities and offer panoramic or scenic view for recreation etc.