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प्रश्न
Write short note
Biodiversity.
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उत्तर
Biodiversity refers to the combined diversity at all levels of biological organisation. It includes genetic diversity, species diversity and ecological diversity. Importance of biodiversity:
(i) A wide range of materials such as fibres, dyes, resins are obtained from plants.
(ii) A variety of plants and animals are utilised as sources of food.
(iii) Medicinal plants act as sources of drugs.
(iv) Plants and animals also have a cultural and aesthetic value.
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संबंधित प्रश्न
Answer the following.
Write the names of biodiversity hot spots.
__________ is a rare species.
The animal in the figure, belongs to which endangered species?
Complete the following concept chart.
What are vulnerable species? Give two examples.
Nilgiri Tahr is an ________ species.
The plants found in a particular area are known as ______.
What is endangered species? Give two examples.
An animal is said to be endangered if its population is currently less than 50 or less than 2500 for the past three years.
Hunting and poaching animals should be encouraged.
How to save endangered species? (any 2 methods)
Complete the correlation:
Western ghat : Asiatic lion :: Sunderban sanctuary : ______.
Give an example of the following:
Rare Species
Give an example of the following:
Vulnerable Species
What are the reasons for the species of animals getting endangered?
