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Organisms and Populations Test - 27

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Organisms and Populations Test - 27
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Weekly Quiz Competition
  • Question 1
    1 / -0
    Large unit of land having different types of plants and

    animals is known as

  • Question 2
    1 / -0
    A high density of elephant population in an area can result in :-

    Solution
    A high density of elephant population in an area can result in intra specific competition as elephants as a species will require the same resources or will be surviving in the same niche and with greater density of population the resources will be limited as compared to the number of individuals
    So, the correct answer is 'Intra specific competition'
  • Question 3
    1 / -0
    A sedentary sea anemone gets attached to the shell lining of hermit crab. The association is: 
    Solution
    • A sedentary sea anemone gets attached to the lining of the hermit crab is a type of interaction in which one species is benefitted while the other is neither harmed nor benefited. 
    • Such a type of relations in ecology is called commensalism.
    • Ectoparasitism is a form of parasitism where the parasite (ectoparasite) lives outside the body of the host.
    • Amensalism is a type of species interaction where one organism is affected but another organism gets harmed.
    So, the correct answer is 'Option C- Commensalism'.
  • Question 4
    1 / -0
    A large regional unit characterized by a major vegetation type and associated fauna found in a specific climatic zone
    constitutes


  • Question 5
    1 / -0
    Temperate evergreen forests are found in

  • Question 6
    1 / -0
    Study the four statements (ad) given below and select the two correct ones out of them

    (a) A lion eating a deer and a sparrow feeding on grain are ecologically similar in being consumers
    (b) Predator star fish Pisaster helps in maintaining species diversity of some invertebrates
    (c) Predators ultimately lead to the extinction of prey species
    (d) Production of chemicals such as nicotine,strychnine by the plants are metaboilic disorders

    The two correct statement are-
  • Question 7
    1 / -0
    Two organisms, are showing commensalism type of interaction. In such relationship

    Solution
    Commensalism is a type of interaction in which one species is beneffited and other is neither benefitted nor harmed. For example, ergets sit on grazing cattle and eat the insects that are sticking to the bodies of cattle.
  • Question 8
    1 / -0
    Match the following and choose the correct combination
    from the options given below
    Column I
    (Population
    interaction)
    		Column II
    (Examples)
    A. Mutualism
    		1. Ticks on dogs
    B.Commensalism
    		2. Balanus and Chathamalus
    C. Parasitism
    		3. Sparrow and any seed
    D. Competition
    		4. Epiphyte on a mango branch
    E. Predation
    		5. Orchid Ophrys and bee




  • Question 9
    1 / -0
    Which one of the following is most appropriately defined

    Solution
    Predator is an organism that catches and kills other organism for food, for example lion hunting and killing deer for food.
  • Question 10
    1 / -0
    What determines the limits of a biome

    Solution
    Because according to altitude and latitude, geological
    conditions and climatic conditions  change, which inturn define the flora and fauna of that place.
    So, the correct answer is 'Altitude and latitude'
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