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Multiple choice biology main natural resources classification of threatened species red data book methods of conservation

The organisation which has published Red Data Book is

  1. International Union for Conservation of Nature and Natural Resource

  2. National Environmental Engineering Research Institute

  3. National Wildlife Action Plan

  4. Convention on International trade in Endangered species of Wild fauna and flora
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The IUCN Red List of threatened species was founded in 1964. It is the world's most comprehensive inventory of the global conservation status of biological species. The International Union for the Conservation of Nature (IUCN) is the world's main authority on the conservation status of species. 

Therefore, the correct answer is option A.

Multiple choice biology main natural resources classification of threatened species red data book methods of conservation

Read the given statements with one or two blanks and select the option which correctly fill the blanks of any two statements.
(a) .................. is being maintained by .............. which is now known as World Conservation Union.
(b) ................. is specified land area in which multiple use of land is permitted for preserving biodiversity.
(c) .............. are species which are likely to move to ................. category in near future, if causative factors continue to operate.
(d) ............. are those specific regions of mega-biodiversity nations which have large numbers of .................. species.

  1. a - Red Data Book, IUCN, c - Vulnerable, endangered

  2. c- Endangered, rare, d - Hot spots, extinct

  3. b - Biosphere reserve, d - National park, exotic

  4. a - Red Data Book, WWF, b - Wild life sanctuary
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Red Data Book is being maintained by IUCN which is now known as the World Conservation Union. Vulnerable are species which are likely to move to the endangered category in near future if causative factors continue to operate. A biosphere reserve is a specified land area in which multiple uses of land is permitted for preserving biodiversity. Hot spots are areas with high density of biodiversity or mega diversity.

Multiple choice biology main natural resources classification of threatened species red data book methods of conservation

Which one of the following expanded forms of the following acronyms is correct?

  1. IPCC- International Panel for Climate Change

  2. UNEP- United Nations Environmental Policy

  3. EPA- Environmental Pollution Agency

  4. IUCN- International Union for Conservation of Nature and Natural Resources
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Intergovernmental Panel on Climate Change - (IPCC) 

The United Nations Environment Programme - UNEP
Environmental Protection Agency - EPA
International Union for Conservation of Nature and Natural Resources - IUCN
Therefore, the correct answer is option D.

Multiple choice biology main natural resources classification of threatened species red data book conservation of wildlife

Asiatic lion (Panthera leo persica) is now

  1. Endangered

  2. Extinct in wild

  3. Vulnerable

  4. Critically endangered
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Endangered species is a species facing a high risk of extinction in the near future due to a decrease in its habitat, excessive predation or poaching. 
The population of vulnerable species is presently sufficient but can become endangered in near future due to loss of habitat.
Critically endangered taxon is facing a high risk of extinction in the wild and can become extinct any moment in the immediate future. 
Lion (Panthera leo persica) is at a higher risk of extinction due to loss of habitat.

Thus, the correct answer is option A.

Multiple choice biology main natural resources classification of threatened species red data book conservation of wildlife

Which of the following animal has become almost extinct in India?

  1. Wolf

  2. Rhinoceros

  3. Hippopotamus

  4. Cheetah
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Until the 20th century, the asiatic cheetah was quite common and roamed all the way from Arabia to Iran, Afghanistan and India. 

By the beginning of the twentieth century, the species was already heading for extinction in many areas. Reintroduction of the cheetah in India involves the artificial re-establishment of a population of cheetahs into areas, where they had previously existed.

Multiple choice biology main natural resources classification of threatened species red data book conservation of wildlife

A taxon facing an extremely high risk of extinction in wild in the near future is called as

  1. Critical endangered

  2. Endangered

  3. Vulnerable

  4. Extinct in wild
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Extinct: A species those having no living members.
Endangered: A species those are facing high risk of extinction in the wild in near future.
Critically endangered:  A taxon is critically endangered when it is facing an extremely high risk of extinction in the wild in the immediate future.
Vulnerable: A taxon is vulnerable when it is not critically endangered or endangered but is facing a high risk of extinction in the medium-term future.
Thus, the correct answer is option B.

Multiple choice biology main natural resources classification of threatened species red data book conservation of wildlife

A tree species in Mauritus failed to reproduce because of the extinction of a fruit-eating bird. Which one of the following was that bird?

  1. Dove

  2. Dodo

  3. Condor

  4. Skua
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The dodo (Raphus cucullatus) is an extinct flightless bird that was endemic to the island of Mauritius, east of Madagascar in the Indian ocean. It became extinct in 14th century from Mauritius because of large-scale hunting. Dodo was helpful in pollinating and propagating seed of this tree species. Subfossil remains show the dodo was about 1 metre (3 ft 3 in) tall and may have weighed 10.6–21.1 kg (23–47 lb) in the wild. 

Therefore, the correct answer is option B.

Multiple choice biology main natural resources classification of threatened species red data book conservation of wildlife

One of the ex-situ conservation methods for endangered species is

  1. Wildlife sanctuaries

  2. Biosphere reserves

  3. Cryopreservation

  4. National parks
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Ex-situ conservation is the preservation of components of biological diversity outside their natural habitats. Cryopreservation is the only option here where the species are preserved at very low temperature to preserve structurally intact living cells and tissues.

Multiple choice biology main natural resources classification of threatened species red data book conservation of wildlife

Which of the following species is very near to extinction, if conservation measures are not promptly taken?

  1. Threatened species

  2. Rare species

  3. Endangered species

  4. Vulnerable species
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Endangered species is a species facing a high risk of extinction in the near future due to a decrease in its habitat, excessive predation or poaching e.g., Ailurus fulgens (Red Panda), Bentinckia nicobarica. 

Some other examples are Blue Whale, Asiatic wild ass and Lion-tailed Macaque.
Vulnerable species are those for which presently the population is sufficient but is undergoing depletion due to some factors so that it is facing the risk of extinction in the medium term.
Rare species are species with naturally small populations, either localised or thinly scattered.
Threatened species include critically endangered, endangered and vulnerable.
Therefore, the correct answer is option C.

Multiple choice biology main natural resources classification of threatened species red data book conservation of wildlife

Dodo, an extinct flightless bird, belonged to

  1. Mauritius

  2. Lakshadweep

  3. Canada

  4. Iceland
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The IUCN 'Red List' (2004) documents the extinction of 784 species (including 338 vertebrates, 359 invertebrates and 87 plants) in the last 500 years. Some examples of recent extinctions include the dodo (Mauritius), quagga (Africa), thylacine (Australia), stellers sea cow (Russia) and three subspecies (Bali, Javan, Caspian) of tiger.