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Living Organisms - Characteristics and Habitats Test 4

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Living Organisms - Characteristics and Habitats Test 4
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  • Question 1
    1 / -0
    If you are to visit the coastal city of Puri, which of the following plants are you most likely to see?
    Solution
    • Casuarina trees are found predominantly in the coastal areas. 
    • Cactus is seen in deserts.
    • Oaks and deodars are seen in mountains.

    Hence, the correct option is D.
  • Question 2
    1 / -0
    Places having different climates have _________ organisms.
    Solution
    The type of organisms found at a place depends on the climatic conditions prevailing there. For instance, camels and cactus are found only in deserts while pine trees are found in mountains.
    Hence the correct option is B.
  • Question 3
    1 / -0
    Which of the following are found in mountains?
    Solution
    • Oaks, pines and deodars are trees that are well adapted to cold climate prevailing in mountains such as Himalayas.
    • Casuarina is found near the coasts.
    • Mangroves are found in coastal areas.
    • We found cactus naturally in deserts.

    Hence, the correct option is C.
  • Question 4
    1 / -0
    Which of the following is not an adaptation seen in camels to survive in deserts?
    Solution
    • The body structure of a camel helps it to survive in desert conditions. Camels have long legs which help to keep their bodies away from the heat of the sand. 
    • They excrete a small amount of urine. 
    • Their dung is dry, and they do not sweat. 
    • Since camels lose very little water from their bodies, they can live for many days without water.

    So, the correct option is B.
  • Question 5
    1 / -0
    Which of the following is/are adaptations seen in fishes to live in water?
    Solution
    • All the fish have a streamlined shape. This shape helps them move into the water.
    • Fish have slippery scales on their bodies. These scales protect the fish and also help in easy movement through the water.
    • Fish have flat fins and tails that help them to change directions and keep their body balance in the water. 
    • Gills present in the fish help them use oxygen dissolved in water.

    Hence, the correct option is D.
  • Question 6
    1 / -0
    If you are to visit the Himalayas, you are likely to come across which of the following?
    Solution
    Himalayas are mountains with cold climate. Trees such as oaks, pines and deodars and animals such as yaks and goats can be seen here.
    Hence the correct option is D.
  • Question 7
    1 / -0
    Small changes that take place in the body of a single organism over short periods, to overcome small problems due to changes in the surroundings, are called____________.
    Solution
    Small changes that take place in the body of a single organism over short periods, to overcome small problems due to changes in the surroundings, are called acclimatization. These changes are different from the adaptations that take place over thousands of years. Habitats are the places where organisms live.
    Hence the correct option is C.
  • Question 8
    1 / -0
    Which of the following is not an abiotic factor?
    Solution
    • All living organisms, be it microbes (bacteria, fungi, or protist), plants, or animals form biotic components.
    • The non-living things such as rocks, soil, air, and water in the habitat constitute its abiotic components.

    Hence, the correct option is D.
  • Question 9
    1 / -0
    The presence of specific features or certain habits, which enable an organism to live naturally in a place is called
    Solution
    The presence
    of specific features or certain habits,
    which enable an organism to live
    naturally in a place is called adaptation.
    Adaptation of organisms differ
    depending on their place of dwelling.
    That is why a fish cannot live out of
    water and a camel cannot live in sea.

    The place where organisms live is
    called habitat.
    The organisms, both plants and
    animals, living in a habitat are its biotic
    components. The non-living things such
    as rocks, soil, air and water in
    the habitat constitute its abiotic
    components.
    Hence the correct option is A.
  • Question 10
    1 / -0
    If you were to visit the state of Rajasthan, which of the following are you most likely to see?
    Solution
    Rajasthan is a state with desert type of climate and vegetation. Cactus and camels are adapted to low rainfall and hence can be seen here. Yaks are seen in mountains.
    Hence the correct option is C.
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