26 Questions
What is the definition of the word 'species'?
A group of plants and animals that are similar and can reproduce
Why is biodiversity extremely important in an ecosystem?
Because living organisms depend on each other for survival
What do animals need plants for, according to the text?
For providing oxygen, food, and shelter
Why is the presence of microorganisms like fungi and bacteria important?
Because they provide important resources for human beings
What has happened to the forests in India due to human activities?
They have caused imbalance in the ecosystem
What role do forests play in addition to being a source of various products?
Providing other resources apart from forest products
What is the main consequence of deforestation?
Lowered groundwater level due to less rainfall
What is the role of biodiversity in sustaining the ecosystem?
Biodiversity helps in decomposing organic waste and adding nutrients to the soil
What is a major threat to biodiversity mentioned in the text?
Mass scale cutting down of trees for agriculture and other purposes
How does biodiversity help in sustaining life of each species?
By providing large resources for food, reducing chances of extinction
What is the impact of deforestation on the availability of wood for fuel?
Decreases due to mass scale cutting down of trees
What is the primary consequence of overexploitation of biodiversity mentioned in the text?
Disturbance in the balance of nature
How do fences built with trees and shrubs contribute to the ecosystem?
By providing protection and preventing soil erosion
What is a serious consequence of lower groundwater level due to deforestation?
Serious impact on agricultural activities
What are some benefits of forests as a source of energy?
Forests are used as an important source of energy especially for cattle and other grazing animals
What is one of the major reasons for commercial use of wood leading to deforestation?
Increased need for wood furniture and construction material
The forests are full of ________ of plants and animals.
variety
Deforestation is a major ________ to biodiversity.
threat
Fences made with trees and shrubs give protection and ________ the soil erosion.
prevent
Biodiversity helps in the sustenance of the ecosystem and thus the life of each ________.
species
Commercial use of wood often leads to ________ of forests.
destruction
The climatic condition of our country helps it to be home to a large number of ______
species
Biodiversity is extremely important in an ecosystem, living organisms depend on each other for ______
survival
The different flora and fauna live together in perfect ______
harmony
Even the tiniest of microorganisms such as fungi and bacteria have a role in sustaining ______
life
Forests play an important role in providing various ______ from forests
products
Study Notes
Definition of Species and Biodiversity
- A species is a group of living organisms that share common characteristics and can interbreed.
- Biodiversity is extremely important in an ecosystem because living organisms depend on each other for survival.
Importance of Biodiversity
- Biodiversity helps in the sustenance of the ecosystem and thus the life of each species.
- It is essential for the survival of each species, as they depend on each other for food, shelter, and other necessities.
Role of Plants and Microorganisms
- Animals need plants for food, shelter, and oxygen.
- Microorganisms like fungi and bacteria play a crucial role in sustaining the ecosystem, even though they are tiny.
Importance of Forests
- Forests are a source of various products, including wood, fuel, and energy.
- They play a crucial role in maintaining the ecosystem, providing habitat for a wide range of flora and fauna.
- Forests help in maintaining the groundwater level, preventing soil erosion, and regulating the climate.
Impact of Human Activities
- Human activities, such as deforestation, have led to the destruction of forests in India.
- Deforestation has resulted in the loss of biodiversity, lowered groundwater levels, and increased soil erosion.
- The commercial use of wood has led to the overexploitation of forests, resulting in deforestation.
Consequences of Deforestation
- The main consequence of deforestation is the loss of biodiversity, which can have a ripple effect on the entire ecosystem.
- Deforestation has also led to a decrease in the availability of wood for fuel and other purposes.
- A serious consequence of lower groundwater levels due to deforestation is the loss of water for drinking and irrigation.
Benefits of Forests
- Forests are a source of energy, providing fuel and other energy resources.
- They help in maintaining the ecosystem, providing habitat for a wide range of flora and fauna.
- Forests also play a crucial role in regulating the climate and preventing soil erosion.
Fences and Soil Erosion
- Fences built with trees and shrubs help in preventing soil erosion by providing a barrier against wind and water.
- They also provide protection and prevent soil erosion, maintaining the ecosystem.
Explore the significance of biodiversity in India and the impact of diverse climatic conditions on the multitude of species. Learn about the interdependence of living organisms in an ecosystem and the importance of preserving biodiversity for survival.
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