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Chapters
2: Human Reproduction
3: Reproductive Health
4: Principles of Inheritance and Variation
5: Molecular Genetics
6: Evolution
7: Human Health and Diseases
8: Immunology
9: Microbes in Human Welfare
10: Applications of Biotechnology
11: Organisms and Populations
▶ 12: Biodiversity and its Conservation
13: Environmental Issues
![Samacheer Kalvi solutions for Biology (Zoology) [English] Class 12 TN Board chapter 12 - Biodiversity and its Conservation - Shaalaa.com](/images/biology-zoology-english-class-12-tn-board_6:5f2b1b2038084cf381bfa42c826a928c.jpg "Samacheer Kalvi solutions for Biology (Zoology) [English] Class 12 TN Board chapter 12 - Biodiversity and its Conservation")
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Solutions for Chapter 12: Biodiversity and its Conservation
Below listed, you can find solutions for Chapter 12 of Tamil Nadu Board of Secondary Education Samacheer Kalvi for Biology (Zoology) [English] Class 12 TN Board.
Samacheer Kalvi solutions for Biology (Zoology) [English] Class 12 TN Board 12 Biodiversity and its Conservation Evaluation [Page 216]
Which of the following region has maximum biodiversity.
Taiga
Tropical forest
Temperate rain forest
Mangroves
Conservation of biodiversity within their natural habitat is ____________.
Insitu conservation
Exsitu conservation
In vivo conservation
In vitro conservation
Which one of the following is not coming under insitu conservation.
Sanctuaries
Natural parks
Zoological park
Biosphere reserve
Which of the following is considered a hotspots of biodiversity in India.
Western ghats
Indo-gangetic plain
Eastern Himalayas
Western ghats and Eastern Himalayas
The organization which published the red list of species is ____________.
WWF
IUCN
ZSI
UNEP
Who introduced the term biodiversity?
Edward Wilson
Walter Rosen
Norman Myers
Alice Norman
Which of the following forests is known as the lungs of the planet earth?
Tundra forest
Rain forest of north east India
Taiga forest
Amazon rain forest
Which one of the following are at high risk extinction due to habitat destruction.
Mammals
Birds
Amphibians
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.
Both Assertion and Reason are true and Reason explains Assertion correctly.
Both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
Assertion is true, but Reason is false.
Both Assertion and Reason are false.
Define 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?
“Amazon forest is considered to be the lungs of the planet”- Justify this statement.
What is Red Data Book?
Compare and Contrast the insitu and exsitu conservation.
What are called endangered species? Explain with examples.
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
Protected areas
Write a note on
Wild life sanctuaries
Write a note on
WWF
Solutions for 12: Biodiversity and its Conservation
Samacheer Kalvi solutions for Biology (Zoology) [English] Class 12 TN Board chapter 12 - Biodiversity and its Conservation
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Concepts covered in Biology (Zoology) [English] Class 12 TN Board chapter 12 Biodiversity and its Conservation are Biodiversity, Importance of Biodiversity, Biogeographical Regions of India, Threats to Biodiversity, Causes of Biodiversity Loss, IUCN, Biodiversity and Its Conservation (Questions), Restoration of Degraded Habitats, Biodiversity Act (BDA).
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