Conservation of plants and animals Worksheet-1
Fill in the blanks:
______ means clearing of forests and using that land for other purposes.
______ increases the temperature and pollution level on the earth.
_______ increases the level of carbon dioxide in the atmosphere.
Plants need _______ for photosynthesis.
Main Green house gas is _______.
______ traps the heat rays reflected by the earth.
The increase in temperature on the earth disturbs the water cycle and may reduce rainfall and cause_______.
Removal of the top layer of the soil called _______.
Conversion of fertile land into desert is called ______.
Deforestation leads to a decrease in the water holding capacity of the _______.
_______ is that part of the earth which supports life.
_______ refers to the variety of organisms existing on the earth, their interrelationships and their relationship with the environment.
India is ______ on a list of 12 mega-biodiversity countries in the world.
North-East India and _______ are very rich in biodiversity.
The ________ help to maintain the biodiversity and culture of that area.
The Pachmarhi Biosphere Reserve consists of one national park named ________.
The Pachmarhi Biosphere Reserve consists of two wildlife sanctuaries named ______ and Pachmarhi.
The plants found in a particular area are termed _______.
The animals found in a particular area are termed ______ of that area.
Sal, teak, mango are examples of the ________.