Question

The organisation which has published Red Data Book is
A. International Union for Conservation of Nature and Natural Resources
B. National Environmental Engineering Research Institute
C.National Wildlife Action Plan
D. Convention of International trade in Endangered species of Wild fauna and flora

Answer 1

The IUCN Red List of threatened species was founded in 1964. The Red Data Book gives a record of all threatened species including endangered, vulnerable and rare species which have a fear of extinction due to various causes.

Complete step by step answer: The organisation which has published the Red Data Book is International Union for Conservation of Nature and Natural Resources (IUCN). The IUCN Red List of Threatened Species provides ideas about taxonomic, conservation status and distribution information on plants, fungi and animals. Some points regarding Global Biodiversity is discussed below:
The total number of plant and animal species according to the IUCN (2004), was more than 1.5 million.
There is high variability in the species richness, somewhere ranging from 20 to 50 million.
Animals have a huge dominance over plants forming 70% of the population, while plants (including algae, fungi, bryophytes, gymnosperms and angiosperms) comprise only 22%.
Insects are the most species-rich taxonomic group of animals, making up more than 70 per cent of the total.
The Red Data book plays the significant role in demonstrating the number of threatened species as well the methods of their conservation.
The correct answer is option (A) International Union for Conservation of Nature and Natural Resources.

Note: These estimates of the Red Data Book do not give any figures for prokaryotes. The main problem for estimating the prokaryotes is that conventional taxonomic methods are not suitable for identifying microbial species and many species are simply not culturable under laboratory conditions. The molecular or biochemical criteria is needed for estimating the species of prokaryotes.