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Biodiversity and Conservation Test - 35

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Biodiversity and Conservation Test - 35
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Weekly Quiz Competition
  • Question 1
    1 / -0
    Which one of the following is an example ex-situ conservation? 
    Solution
    A seed bank (also seedbank or seeds bank) stores seeds as a source for planting in case seed reserves elsewhere are destroyed. It is a type of gene bank. The seeds stored may be food crops, or those of rare species to protect biodiversity. The reasons for storing seeds may be varied. In the case of food crops, many useful plants, that were developed over centuries are now no longer used for commercial agricultural production and are becoming rare. Storing seeds also guards against catastrophic events like natural disasters, outbreaks of disease, or war. 
    Unlike seed libraries or seed swaps, that encourage frequent reuse and sharing of seeds, seed banks are not typically open to the public. This is an example of ex-situ conservation. 
    Ex situ conservation is the conservation and maintenance of samples of living organisms outside their natural habitat, in the form of whole plants, seed, pollen, vegetative propagules, tissue or cell cultures.
  • Question 2
    1 / -0
    Which one of the following shows maximum genetic diversity in lndia? 
    Solution
    Rice accounts for about 42% of total food grain production and >55% of the diet in India. It is considered to have originated in the Himalayan foot hills. It is cultivated below the sea level in the Kuttanad district of Kerala state as well as at an altitude of 2000 meters above the mean sea level in the hills of Jammu and Kashmir, Uttaranchal and North-Eastern States. Rice diversity consists of landraces, improved cultivars, hybrids, closely related wild relatives adapted to varied agro-ecological conditions, such as altitude, temperature, rainfall, soil type etc. and possessing varied agro-morpho-physiological characteristics.
    So, the correct answer is option C.
  • Question 3
    1 / -0
    Germplasm is
    Solution
    Germplasm is a term used to describe living genetic resources, such as seeds or tissue, maintained for the purpose of breeding, preservation, and other research uses. These resources may take the form of seed collections stored in seed banks, trees growing in nurseries, animal breeding lines maintained in animal breeding programs or gene banks, etc. Germplasm collections can range from collections of wild species to elite, domesticated breeding lines that have undergone extensive human selection.
  • Question 4
    1 / -0
    Select the correct statement about biodiversity. 
    Solution
    A)Correct option-C
    B) Explanation for correct option-

    1. The Western Ghats are the world's biodiversity hotspots.
    2. Their positioning makes the Western Ghats biologically rich and biogeographically unique from other regions.
    3. It has the veritable treasure house of biodiversity.
    4. Mains centre are
     Kanyakumari Wildlife Sanctuary, Tamil Nadu. 
    Bandipur National Park, Karnataka.
     Nagarhole National Park, Karnataka.
     Nilgiri Biosphere Reserve, Tamil Nadu.
    5. These ghats have a significant source of moisture for the monsoon. 
    6. There is a high degree of species richness and endemism of flowering, non-flowering plants, reptiles, insects, birds, mammals, butterflies. etc in the Western Ghats.
  • Question 5
    1 / -0
    The term alpha diversity refers to 
    Solution
    • Whittaker's idea was that the total species diversity in a landscape is the gamma diversity and is determined by two different things, the mean species diversity in sites or habitats at a more local scale is an alpha diversity and the differentiation among those habitats is the beta diversity. 
    • Alpha diversity was defined by Whittaker (1972) as the species richness of a place. However, the practical development of this concept led to redefining the alpha diversity on the basis of the structure of the community. 
    Thus, the correct answer is option B.
  • Question 6
    1 / -0
    Kiwi is found in
    Solution
    Kiwis are flightless birds native to New Zealand, in the genus Apteryx and family Apterygidae. They belong to an ancient group of birds that can't fly the ratites. They are nocturnal. It is national icon of New Zealand and it has loose hair like feathers, strong legs and no tail. Hence, option C is correct.
  • Question 7
    1 / -0
    Ghana Sanctuary is found in
    Solution
    The 'Keoladeo Ghana National Park' formerly known as the 'Bharatpur Bird Sanctuary' in Bharatpur of Rajasthan. It is a famous bird sanctuary, that plays host to thousands of birds especially during the winter season. 
    Over 230 species of birds are known to have made the national park as their home. It is a man-made and man-managed wetland and one of the national parks of India. The 29 $$km^2$$ reserve is locally known as Ghana, and is a mosaic of dry grasslands, woodlands, woodland swamps, and wetlands. 
  • Question 8
    1 / -0
    The best way to conserve our water resources is
    Solution
    Human activities like deforestation, pollution, global warming etc is  a major threat to the natural resources.The scarcity of water is  a common problem nowadays which needs serious attempts.Rainwater harvesting is the method of conservation of rainwater by reusing the stored water for several domestic purposes. The rainwater is collected from various hard surfaces such as rooftops and or other man-made above ground hard surfaces.
    Sustainable water utilization is the vision of the management of natural resources like water and its proper utilization.
    Encouragement of natural regeneration of vegetation is also one of the methods to conserve water resource. It will usually encourage species, that are already plentiful in the area and will ensure the vegetation is directly suited to the site. As all of the above are ways to conserve our water resources. 
    So, the correct answer is option D.
  • Question 9
    1 / -0
    Which of the following animal has become extinct in India?
    Solution
    Cheetah (Acinonyx) is world's fastest land animal. It is a critically endangered species, surviving today only in Iran. It is extinct from India now. Hence, option B is correct.
  • Question 10
    1 / -0
    Which animal recently extinct from India?
    Solution
    Cheetah are disappearing from most of its range and have become extinct in Asia including India due to its conflict with livestock farming, despite the fact that cheetah causes comparatively minor damage. Hence, option C is correct.
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