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Our Environment Test - 5

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Our Environment Test - 5
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Weekly Quiz Competition
  • Question 1
    1 / -0
    Which of the following organisms has aerial habitat?
    Solution
    Bats have an aerial habitat. They are the only mammals capable of true flight.
  • Question 2
    1 / -0
    Choose the odd one out.
  • Question 3
    1 / -0
    Which of the following is/are abiotic component(s) of ecosystem?
    Solution
    Abiotic components are non-living chemical and physical parts of the environment that affect living organisms and the functioning of ecosystems, e.g. soil, rain, wind, temperature, pH, and sunlight etc.
  • Question 4
    1 / -0
    Which of the following is a biotic component of ecosystem?
    Solution
    Correct Answer: Cactus
  • Question 5
    1 / -0
    Which of the following organisms is called autotroph?
    Solution

    Grass is an autotroph and a plant. Most plants are autotrophs because they make their own food. Some plant species are parasitic, meaning they get their nutrients from other sources. Parasitic plants are heterotrophic.

  • Question 6
    1 / -0
    Which of the following organisms is a herbivore?
    Solution
    Herbivores are animals that feeds on plants, e.g. rabbit.
  • Question 7
    1 / -0
    The organisms that prepare their own food are called
    Solution
    An autotroph or producer, is an organism that produces complex organic compounds from simple substances present in its surroundings, generally using energy from light or inorganic chemical reactions.
  • Question 8
    1 / -0
    The organisms that feed on both plant and animal products are called ________.
    Solution

    The organisms that feed on both plant and animal products are known as omnivorous.

  • Question 9
    1 / -0
    Which of the following organisms are called decomposers?
    Solution

    Examples of decomposers include bacteria, fungi, some insects, and snails.
    So, the correct option is 1.

  • Question 10
    1 / -0
    Which of the following organisms is present at the top of the trophic level?
    Solution
    Tiger is present at the top of the trophic level.
  • Question 11
    1 / -0
    Which of the following is the correct sequence of organisms in a food chain?
    Solution
    Grass (producer) Rat (omnivore) Snake (bigger carnivore) Eagle (top carnivore)
  • Question 12
    1 / -0
    Which of the following organisms are called producers?
    Solution

    Plants are called producers. This is because they produce their own food.

  • Question 13
    1 / -0
    Which of the following organisms are called omnivorous?
    Solution

    Among the given options, cockroach is the only omnivorous animal. Cockroaches feed on decaying matter.

  • Question 14
    1 / -0
    Which of the following organisms are called chemo-autotrophs?
  • Question 15
    1 / -0
    Humans are
    Solution
    Humans are omnivores as they eat both plants and animals.
  • Question 16
    1 / -0
    Which of the following comprises an artificial habitat to conserve wildlife?
  • Question 17
    1 / -0
    Which of the following is the best example of a mini ecosystem?
    Solution
    Among the given options, an aquarium is the best example of a mini ecosystem.
  • Question 18
    1 / -0
    Which is the biggest source of power generation in India?
    Solution

    About 65% of the electricity consumed in India is generated by thermal power plants and 53.7% of India`s commercial energy demand is met through the country`s vast coal reserves. So, most of the power consumption is from fossils.

  • Question 19
    1 / -0
    Which gas is present abundantly in the atmosphere?
    Solution

    The most abundant gas in the atmosphere is nitrogen, with oxygen at the second place.
    So, the correct option is 1.

  • Question 20
    1 / -0
    Which of the following organisms is a friend of farmers?
    Solution
    Earthworms are known as a farmer's friend because of the multitude of services they provide that improve soil and plant health.
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