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Biodiversity and Conservation Test - 31

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Biodiversity and Conservation Test - 31
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Weekly Quiz Competition
  • Question 1
    1 / -0
    Diversity of organisms sharing the same community habitat is called as
    Solution
    The terms alpha, beta and gamma diversity were all introduced by R. H. Whittaker to describe the spatial component of biodiversity. 
    Alpha diversity is the mean species diversity in sites or habitats at a more local scale sharing the same community habitat. 
    Beta diversity is defined as the ratio between regional and local diversity.
    Gamma diversity is the diversity in the entire species pool of a particular region.
    Therefore, the correct answer is option C.
  • Question 2
    1 / -0
    The subtropical climatic zone lies between
    Solution
    Subtropical climate zone:
    Area - between the tropical zone and the temperate zone (25 degree to 40 degree North and South latitude).
    Average temperature - 20 to 40 degree Celsius.
    Precipitation - Dry, winter humidity and always wet areas.
    Vegetation - Semi deciduous or evergreen forests, hardwood forest with winter rain, savannah, pasture land, semi-desert, warm temperate moist forests, nemoral deciduous forests.
    So, the correct answer is option B.
  • Question 3
    1 / -0
    Ranganathittu Sanctuary (Mysore) is known for population of 
    Solution
    Ranganthittu bird sanctuary is also known as 'Pakshi Kashi' of Karnataka is a bird sanctuary in the Mandya district of the state of Karnataka in India. It is the largest bird sanctuary in the state, only 0.67km square in area, which is about 40 acres and comprises six islets on the banks of the Kaveri river. It is located three kilometers away from the historic town of Srirangapatna and 16 kms north of Mysore.
  • Question 4
    1 / -0
    Organism living in cold areas have shorter extremities than the organisms of warm area. It states
    Solution
    The climatic conditions in a particular area regulate the  physiological and the morphological characteristics of plants or animals. Allen's rule is a biological rule by Joel Asaph Allen in 1877. It states that the organism adjusts in the given climatic conditions by either minimizing exposed surface area to minimize heat loss in cold climates or maximizing exposed surface area to maximize heat loss in hot climates. The rule predicts that endotherms from hot climates usually have ears, tails, limbs, snouts, etc that are long and thin, while equivalent animals from cold climates usually have shorter and thicker versions of those body parts. 
    Allen's rule predicts that endothermic animals with the same body volume should have different surface areas that will either aid or impede their heat dissipation.
  • Question 5
    1 / -0
    Tendency of increase in species diversity in transition zone between two community is called 
    Solution
    • In ecology, edge effects refer to the changes in population or community structures, that occur at the boundary of two habitats. 
    • Areas with small habitat fragments exhibit especially pronounced edge effects that may extend throughout the range. 
    • As the edge effects increase, the boundary habitat allows for greater biodiversity.

    So, the correct answer is option B.
  • Question 6
    1 / -0
    Bishnois of Rajasthan are famous for protection of  
    Solution
    Bishnois are strong lovers of wild animals. It is because of their protection that in Bishnoi dominated areas, deer and antelope (such as blue bulls, black bucks, chinkaras and chowsinghas) are seen grazing peacefully in their fields. 
  • Question 7
    1 / -0
    The main reason for extinction of species is
    Solution
    Habitat destruction is the process in which the organisms that previously used the site are displaced or destroyed, reducing biodiversity. Habitat destruction is the greatest contributor to the extinction of many species. This destruction is ongoing in both terrestrial and aquatic biomes, with approximately 80% of all extinctions being attributed to human caused habitat destruction. Terrestrially the destruction includes forests, deserts and grasslands, but the latter may account for the greatest losses due to the agricultural and urban conversion.
  • Question 8
    1 / -0
    'Project Tiger' in India was launched in 
    Solution
    • 'Project Tiger' is a conservation program, for the tigers, launched in 1973 by the Government of India under its then Prime Minister Indira Gandhi. 
    • The project aims at ensuring a viable population of Bengal tigers in their natural habitats and also to protect them from extinction, and preserving areas of biological importance as a natural heritage forever represented as close as possible the diversity of ecosystems across the tiger's distribution in the country. 

    So, the correct answer is option B.
  • Question 9
    1 / -0
    Now-a-days rhinoceros are found in
    Solution
    Rhinoceros  often abbreviated as rhino, is a group of five extant species of odd-toed ungulates in the family Rhinocerotidae. Two of these species are native to Africa and three to Southern Asia.Rhinoceros are killed by humans for their horns, which are bought and sold on the black market, and which are used by some cultures for ornamental or traditional medicinal purposes. East Asia, specifically Vietnam, is the largest market for rhino horns. By weight, rhino horns cost as much as gold on the black market. People grind up the horns and then consume them believing the dust has therapeutic properties. The horns are made of keratin, the same type of protein that makes up hair and fingernails. Both African species and the Sumatran rhinoceros have two horns, while the Indian and Javan rhinoceros have a single horn. The IUCN 'Red List' identifies three of the species as critically endangered.

  • Question 10
    1 / -0
    Kashmir stag (hangul) is 
    Solution
    The Kashmir stag is scientifically called as Cervus elaphus hanglu, also known as hangul. It is a sub species of wapiti native to India, especially in Jammu and Kashmir where it is the state animal. Kashmir stag is listed as critically endangered by IUCN as population is counted 160 mature individuals in the 2008 census. 
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