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1
An ecosystem consists of ____________________________________________
Green plants and animals
Green plants and decomposers
Producers and consumers
Green plants, animals, decomposers and abiotic environment
2
Destroying a forest means destroying _________________
Ecosystem
Plant life
Population of wild life
Food and shelter of wild animals
3
__________________ forests are the mixture of trees and shrubs. Cork, Oak, etc. are the major trees.
Tropical Evergreen Rain Forest
Tropical Semi Deciduous Forests
Equatorial Forests
None of these .
4
What do you understand by the term biodiversity?
Biodiversity is the biological variety and variability of life on Earth.
Planting trees is known as biodiversity
Formation of industries is known as biodiversity.
None of these
5
Environment consists of
Land, air, water
Light, temperature and rainfall
Plants, animals and microbes
All the above
6
Which one of the following is natural habitat of organisms?
Forest
Garden
Zoo
All of the above
7
Which one of the following is not the reason of flood ?
Heavy rainfall
Broken dams
Lack of vegetation
Afforestation
8
Which of the following is an example man-made ecosystem?
Herbarium
Aquarium
Tissue culture
9
What is reforestation ?
Increasing population of domestic animals has led to overgrazing which must be controlled to save forests.
It consists of all the organisms and the physical environment with which they interact.
Forest clearance is the removal of a forest or stand of trees from land that is then converted to non-forest use. Deforestation can involve conversion of forest land to farms, ranches, or urban use.
The process of planting new trees in areas where they have been removed by cutting or destroyed fire, diseases etc.
10
Why we celebrate Van Mahotsav ?
Van Mahotsav week is celebrated in India to make people aware about increasing industrialisation and urbanisation.
Van Mahotsav week is celebrated in India to aware people how we can decrease air pollution.
Van Mahotsav week is celebrated in India to make people aware that what are we getting from trees and why we need to cut trees.