Question

Red data book contains data of
(a) All plant : species
(b) All animal species
(c) Economically important species
(d) Threatened species

Answer 1

The red data book is established by IUCN (International Union for Conservation of Nature in the year 1964. It is used to collect the data of species that require protection for their survival on earth.

Complete answer:
Red data book contains information about the species across the globe that are on the verge of extinction. This document is established for documenting rare, endangered species and threatened species of all flora, fauna and fungi as well as some regional species that exist within the nation. It is the world’s most inclusive register of the international conserve with the importance of plant and animal species. There are assorted red data books for plants, animals, fungi and other species. Red data books are also published in many different states and nations and provide helpful data on the threat status of the various species. The red book data of India has a list of some endangered species which are at a threat of becoming extinct in India. Some species of the list are Indian giant squirrel, Snow Leopard, Flying squirrel, blackbuck, Himalayan musk deer, great Indian rhinoceros and tiger. Benefits of maintaining a red data book within a state or nation are that we come to know which species of plants and animals are a very few in number and facing the threat of extinction so that timely necessary measures can be taken by the government, people and the authorities to avoid their extinction.

So, the correct answer is ‘threatened species'.

Note:
Conservation of biodiversity is very important for all the organisms present in the ecosystem. With every single species becoming extinct the world around us unravels a bit which will have major consequences and a threat to life on earth.