Evaluation . Which of the following regio n has maximum biodiversity a) Taiga b) Tropical forest c) Temperate rain forest d) Mangroves . Conservation of biodiversity within their natural habitat is a) Insitu conservation b) Exsitu conservation c) In vivo conservation d) In vitro conservation . Which one of the following is not coming under insitu conservation a) Sanctuaries b) Natural parks c) Zoological park d) Biosphere reserve .
Which of the following is considered a hotspots of biodiversity in India a) Western ghats b) Indo-gangetic plain c) Eastern Himalayas d) A and C . The organization which published the red list of species is a) WWF b) IUCN c) ZSI d) UNEP . Who introduced the term biodiversity? a) Edward Wilson b) Walter Rosen c) Norman Myers d) Alice Norman .
Which of the following forests is known as the lungs of the planet earth? a) Tundra forest b) Rain forest of north east India c) Taiga forest d) Amazon rain forest . Which one of the following are at high risk extinction due to habitat destruction a) Mammals b ) Birds c) Amphibians d) Echinoderms . Assertion: The Environmental conditions of the tropics are favourable for speciation and diversity of organisms.
Reason: The climate seasons, temperature, humidity and photoperiod are more or less stable and congenial. a) Both Assertion and Reason are true and Reason explains Assertion correctly. b) Both Assertion and Reason are true but Reason is not the correct explanation of Assertion. c) Assertion is true , but Reason is false.
d) Both Assertion and Reason are false. . Define the following. a.
Species richness. b. Endemism. .
How many hotspots are there in India? Name them. . What are the three levels of biodiversity?
. Name the active chemical found in the medicinal plant Rauwolfia vomitoria . What type of diversity it belongs to? XII Std Biology-Zoology Chapter- XII Std Biology-Zoology Chapter- Biodiversity and its Conservation .
“Amazon forest is considered to be the lungs of the planet”-Justify this statement. . What is Red data book? Mention it purposes.
. Compare and Contrast the insitu and exsitu conservation. . What are called endangered species?
. Why do we find a decrease in biodiversity distribution, if we move from the tropics towards the poles? . What are the factors that drive habitat loss?
. Alien species invasion is a threat to endemic species – substantiate this statement. . Mention the major threats to biodiversity caused by human activities.
Explain. . What is mass extinction? Will you encounter one such extinction in the near future.
Enumerate the steps to be taken to prevent it. . In north eastern states, the jhum cultivation is a major threat to biodiversity – substantiate the statement. .
List out the various causes for biodiversity losses. . How can we contribute to promote biodiversity conservation? .
Write a note on i) Protected areas, ii) Wild Life Sanctuaries 7KUHDWVWR ELRGLYHUVLW\ ,PSRUWDQFH RIELRGLYHUVLW\ 3DWWHUQVRI ELRGLYHUVLW\ /HYHORI ELRGLYHUVLW\ &RQFHSWVRI ELRGLYHUVLW\ ([WLQFWLRQ (QGDQJHUHG RUJDQLVPV /RVVRI ELRGLYHUVLW\ &DXVHVRI ELRGLYHUVLW\ ORVV 0DJQLWXGH RI ELRGLYHUVLW\ %LRGLYHUVLW\ +RWVSRWV