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Biodiversity and Conservation Test - 22

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Biodiversity and Conservation Test - 22
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Weekly Quiz Competition
  • Question 1
    1 / -0
    A cheerful look makes a dish ______________.
  • Question 2
    1 / -0
    Never look a gift horse in the _____________.
  • Question 3
    1 / -0
    Conservation in the natural habitat is
    Solution
    In-situ conservation is the conservation of genetic resources in natural populations of plant or animal species or in their natural habitat.
    So, the correct option is 'in situ'.
    .
  • Question 4
    1 / -0
    Which is not used for ex situ plant conservation
    Solution
    In situ conservation is the production and management of important components of biological diversity through a network of protected areas. This can be wildlife sanctuaries, national parks, biosphere reserves etc.
    Ex situ conservation is the conservation of selected rare plants or animals in places outside the natural forms.
    Ex-situ conservation includes off-site collection and gene banks. Ex situ conservation is conserving the animals and plant outside the natural habitat. 
    Ex situ conservation includes offsite collection and gene banks.
    Offsite collections are the live collection of file and domesticated species in the botanical garden.
    Gene bank is an institution where available plant material is preserved in a viable condition.
    Seed Bank stores seed in the viable state
    Zoos or zoological parks are places where animals are kept in captivity and bred.
    So, the correct option is 'Shifting cultivation'
  • Question 5
    1 / -0
    Which of the following is not a cause for loss of biodiversity?
    Solution

    $$\textbf{Correct option:}$$ (C)


    $$\textbf{Explanation for correct option:}$$

    $$\bullet$$ The accelerated rates of species extinction which the world is facing are mainly due to human activities.

    $$\bullet$$ There are four major causes of loss of biodiversity ("The Evil Quartet)":

    i) Habitat loss and fragmentation

    ii) Over exploitation of natural resources 

    iii) Alien species invasions

    iv) Co- extinctions

    $$\bullet$$ Zoological parks are the means of ex situ conservation of biodiversity in which animals are taken out from their natural habitat and placed in special setting where they are protected and given proper care.

    $$\bullet$$ Hence, the correct option is (C)





  • Question 6
    1 / -0
    Sacred groves are specially useful in
    Solution
    Sacred groves are one of the methods of conserving rare and threatened species as local people worship and not allow the killing of animals and cutting of trees in such areas like Khasi and Jaintia Hills in Meghalaya, Aravalli Hills in Rajasthan etc.
    So the correct option is 'conserving rare and threatened species'
  • Question 7
    1 / -0
    Which statement is true about the cat family?
  • Question 8
    1 / -0
    Which of the following is not an example of in situ conservation?
    Solution
    In zoological parks animals are brought from various places and kept in captivity for display.
    In situ conservation keeps the organism in its original habitat.
    So, the correct option is 'Zoological parks'.
  • Question 9
    1 / -0
    Which of the following is not an objective of Conservation of Biodiversity?
    Solution
    Biodiversity provides numerous direct and indirect service to human beings. They maintain ecological balance and ecosystem stability.
    For biodiversity conservation, the destruction of habitat should be stopped.
    Biodiversity should be used sustainably.
    Fair and equitable sharing of benefits out of resources is crucial.

    So, the correct option is 'Selective hunting of dangerous and threatening species.'

  • Question 10
    1 / -0
    Which of the following statements is incorrect regarding biodiversity?
    Solution
    • Biodiversity refers to the variety and variability of life on Earth. Biodiversity is typically a measure of variation at the genetic, species, and ecosystem level.
    • It deals with biological and geographical units such as genes, chromosomes, species, families and biogeographic religions
    • It is an additional sum of genetic, taxonomic and ecosystem diversity.
    • Biodiversity is a measure of species richness i.e  The number of groups of genetically or functionally related individuals.
    • Hence Biodiversity is a measure of the number of resources shared by the human population is a wrong statement.
    • So, the correct answer is 'Option C'.
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