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प्रश्न
Write short note
Biodiversity.
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.
How the biodiversity can be conserved?
__________ is a rare species.
Complete the table.
| Endangered Heritage Places of the Country | Threatened / endangered species of an animal | Reasons |
| Western ghat | ||
| Rhino | ||
| Tiger |
The vision of Blue Cross is _______ animals.
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.
Name some endangered species in India.
How can we protect endangered species?
Each year ______ is celebrated as ‘World Biodiversity Day’.
Yeoman Butterfly has been declared as state butterfly of ______.
Name two endangered plant species?
Giant squirrel is an example of ______ threatened species.
Give an example of the following:
Rare Species
Give an example of the following:
Vulnerable Species
Select the odd pair
