Question:

Red List contains data or information on

Updated On: Apr 20, 2025
  • all economically important plants
  • plants whose products are in international trade
  • threatened species
  • marine vertebrates only
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The Correct Option is C

Solution and Explanation

The correct answer is:

Option 3: threatened species

Explanation:

The Red List refers to the International Union for Conservation of Nature (IUCN) Red List of Threatened Species, which is a comprehensive inventory of the conservation status of plant and animal species worldwide. The Red List provides detailed information on the levels of threat faced by species, helping to assess and categorize species that are at risk of extinction.

The categories in the IUCN Red List range from Least Concern to Extinct, with species being classified as Critically Endangered, Endangered, Vulnerable, and so on, depending on how close they are to extinction.

Why other options are incorrect:

Option 1: all economically important plants – The Red List does not focus exclusively on economically important plants, although some species on the Red List may be important economically.

Option 2: plants whose products are in international trade – The Red List includes plants and animals at risk, regardless of whether their products are traded.

Option 4: marine vertebrates only – The Red List includes all types of species, not just marine vertebrates.

Thus, the correct focus of the Red List is on threatened species.

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Concepts Used:

Loss of Biodiversity

The reduction in the number, genetic variability, and the variety of species and the biological community of a place is known as the Loss of Biodiversity. By humans, due to the colonization of the tropical Pacific Island, there has been a deprivation of more than 2000 species. Present data evaluates that around 15,500 species are endangered. Presently the loss of biodiversity is evaluated at - 23% of all mammal species, 12% of all bird species, 32% of all amphibian species, and 31% of gymnosperm species on the planet are facing the threat or warning of extinction.

Loss of Biodiversity: Causes

  1. Loss of Habitat and Fragmentation
  2. Over Exploitation of Natural Resources
  3. Alien Species Invasion
  4. Co-Extinction