Question

Red data book or IUCN red list provide data on
A. Biota of the red sea
B. Effect of red light or photosynthesis
C. Red pigment plant
D. Threatened species

Answer 1

Hint: Red Data Book or IUCN red list is abbreviated as International Union of Conservation Natures. This union is the comprehensive information source of conservation conditions of all plants and animal species.

Complete Answer:
- Red Data Book or IUCN is an International Union of Conservation Nature that provides data on threatened species. The red data book or IUCN red list of endangered species was found in 1964. This red book contains information about the animal, fungi, and plant species. It also evaluates the extinction risk of various species and subspecies.
- These criteria are appropriate for most species present in all areas of the world. These species are categorized into different categories of perceived risk. Each Red Data Book generally deals with a specific group of plants and animals. This union has been recognized as the world's most authoritative guide for the status of biodiversity.
- Whenever we want information about the abundance of any type of animal and plant species, we get huge data about that particular species from this union Red Data Book and Red Data List or IUCN. A red data list contains a list of a wide range of those species, which have continued existence is threatened or those who are going to be threatened.
- All plants and animal species are categorized into different categories of apparent risk. This Red Data Book generally deals with a particular group of animals and plants such as reptiles, mammals, mosses, and insects. They are provided worldwide data/information on the endangered status of species. Hence, the option ‘D’ is the correct answer to this particular question.

Note: Red Data Book or IUCN red list is the world's most authorized guide to collect as well as provide valid and appropriate information about the endangered and threatened species of the animals and plants in a particular area.