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Biodiversity and Conservation Test - 28

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Biodiversity and Conservation Test - 28
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Weekly Quiz Competition
  • Question 1
    1 / -0
    Conservation is
    Solution
    • Conservation means preservation from loss, waste or degradation of a resource, so as to last indefinitely.
    • Management of a resource is controlling the use of the resource in such a way so as to provide sustained and equitable availability. The two are important because exhaustible resources are undergoing rapid depletion.
    • Lifetime of a resource is the period along the time scale up to which its availability for human use is assured on global basis. 
    • Depletion time is the period along with the timescale when the availability of resources will decrease to such an extent that it is unable to meet the human requirements.
      Hence, option D is correct.
  • Question 2
    1 / -0
    New 'Wild Life Protection Act' was passed in
    Solution
    'Wild Life Protection Act' was passed in 1972 and amended in 1991. According to this act, hunting of animals and exploitation of certain plants are completely prohibited. It allows for setting up and managing national parks, sanctuaries, zoos, controls trade in wildlife and wildlife products and trophies. 
  • Question 3
    1 / -0
    Which place is famous for hosting thousands of migrating birds coming from Siberia in every winter?
    Solution
    Keoladeo / Ghana bird sanctuary national park is located in Bharatpur district in Rajasthan. Every year during winters when temperature in Siberia becomes very low; migratory birds from Siberia reach this national park for breeding.
  • Question 4
    1 / -0
    Restoration of ecological equilibrium in mined areas can be achieved through

    Solution
    A number of world's ecosystems have undergone significant degradation leading to a negative impact on the biodiversity and livelihood. One such ecosystem that has depleted over the years is the mined habitats. Since the mineral rich areas are also rich in forest resources. However continuous mining activities tend to change the ecological equilibrium. Restoration of the ecological equilibrium of the mined areas can be achieved by understanding the ecology, plant succession and soil types of the place and revegetation of the spoils .
  • Question 5
    1 / -0
    American water plant that has become a troublesome water weed in India is
    Solution
    Eichhornia crassipes, commonly known as water hyacinth, is an aquatic plant native to the Amazon basin. It is often considered a highly problematic invasive species outside its native range. When not controlled, water hyacinth will cover lakes and ponds entirely; this dramatically impacts water flow, blocks sunlight from reaching native aquatic plants, and starves the water of oxygen, often killing fish and other aquatic animals. Hence option B is correct.
  • Question 6
    1 / -0
    The country, which hosted the first world earth summit on conservation of environment is
    Solution
    First world Earth summit was held at Rio de Janeiro in 1992, in Brazil. It promoted 'Convention on Biological Diversity' (CBD), which was signed by 152 nations. The various commitments of CBD were-
    (i) Adoption of ways and means to conserve biodiversity, 
    (ii) Managing Biodiversity for sustainable use, 
    (iii) Ensuring equitable sharing of benefits from biological diversity including utilisation of genetic resources.
  • Question 7
    1 / -0
    Assertion : Alpha diversity is said to be higher if there is dissimilarity between local pool species.

    Reason : Alpha diversity is a measure of diversity between the communities in a local area.
    Solution
    A local pool species includes all the available species in a given area. The species diversity in a local community is called alpha diversity. It is said to be higher if there is a dissimilarity between local pool species. This diversity is influenced by the interaction between the biotic and abiotic factors. It also depends on immigration. Thus the correct answer is option D.
  • Question 8
    1 / -0
    Which Indian state has named all its tourist resorts after different birds?
    Solution
    Haryana tourism corporation (HTC) promotes tourism in Haryana. It runs and maintains 44 tourist complexes. The HTC tourist complexes are named after local birds and are in close harmony with nature.
  • Question 9
    1 / -0
    Assertion : Great Indian bustard is a rare species.

    Reason : Vulnerable species are rare species.
    Solution
    Threatened species may be critically endangered, endangered, vulnerable. Rare and indeterminate. Rare species are with naturally small populations, either localised or thinly scattered, which are always at risk from pests / pathogens / predators or exotic species. 
    Great Indian bustard (Ardeotis nigriceps) is a rare species of birds found in parts of Gujarat and Rajasthan. Due to destruction of natural habitat and poaching, it has become a rare species. 
    Vulnerable species are those for which presently the population is sufficient but is undergoing depletion due to some factor or factors so that is facing risk of extinction in medium term future.
  • Question 10
    1 / -0
    Which one of the following is the correctly matched pair of an endangered animal and a national park?
    Solution
    'Project Rhino' started in 1987. Rhinoceros are protected in
    1. Kaziranga national park of Assam. 
    2. Manas sanctuary of Assam.
    3. Jaldapara sanctuary of West Bengal.
    Great Indian bustard is protected in desert national park of Rajasthan, Karera sanctuary in MP and great Indian bustard sanctuary in Maharashtra.
    Lion is protected in Gir national park in Junagarh of Gujarat.
    Indian wild ass sanctuary also known as the wild ass wildlife sanctuary is located in the little rann of Kutch in Gujarat.
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