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Living Organisms - Characteristics and Habitats Test 5

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Living Organisms - Characteristics and Habitats Test 5
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  • Question 1
    1 / -0
    Forests, deserts, grasslands are examples of
    Solution
    • The place where organisms live is called habitat. 
    • The plants and animals that live on land are said to live in terrestrial habitats.
    • Some examples of terrestrial habitats are forests, grasslands, deserts, coastal and mountain regions.
    • On the other hand, the habitats of plants and animals that live in water are called aquatic habitats. Lakes, rivers, and oceans are some examples of aquatic habitats.

    Hence, the correct option is A.
  • Question 2
    1 / -0
    Animals in mountains have
    Solution
    Thick fur and long hair helps in protecting the animals from the cold. Strong hooves help the animals walk through the sloping terrain.
    Hence the correct option is D.
  • Question 3
    1 / -0
    Cold and windy habitat is characteristic of
    Solution
    Mountains have cold and windy habitats with snowfall in winter. Animals and plants living here have special adaptations for surviving in these conditions.
    Hence the correct option is B.
  • Question 4
    1 / -0
    Animals living in desert possess which of the following characteristics?
    Solution
    Animals like rats and snake stay in burrows during the day and come out only at night so as to protect themselves from the heat.
    Thick fur and long hair are seen in animals in mountains.
    Brown colour is seen in animals in grasslands.
    Hence the correct option is 
  • Question 5
    1 / -0
    Lion is a ________ and deer is a __________.
    Solution
    Lions are predators that hunt and kill deer which are their prey.
    Hence the correct option is C.
  • Question 6
    1 / -0
    Why do plants in mountains have sloping branches and needle shaped leaves?
    Solution
    The trees in mountains have an overall conical shape. They have sloping branches and needle shaped leaves that allows the snow and rainwater to slide off easily.
    Hence the correct option is C.
  • Question 7
    1 / -0
    Leaves reduced to spines and thick stems are characteristics of plants seen in
    Solution
    • Desert plants lose very little water through transpiration. 
    • The leaves in desert plants are either absent, very small, or they are in the form of spines. 
    • This helps in reducing the loss of water from the leaves through transpiration. 
    • The leaf-like structure you see in a cactus is, in fact, its stem.
    • Photosynthesis in these plants is usually carried out by the stems.
    Hence the correct option is A.
  • Question 8
    1 / -0
    Trees in mountains have
    Solution
    Mountain trees are normally cone shaped and have sloping branches. The leaves of some of these trees are needle-like. This helps the rainwater and snow to slide off easily.
    Thick stems are seen in plants in deserts.
    Hence the correct option is D.
  • Question 9
    1 / -0
    In which of the following plants are the stems covered by a thick waxy layer?
    Solution
    The stems of cacti are covered with a thick waxy layer so as to prevent the loss of water. This is an adaptation to survive desert climate.
    Oaks and deodars are seen in mountains while casuarina trees are seen in the coastal regions.
    Hence the correct option is C.
  • Question 10
    1 / -0
    Long ears, eyes on the side of the head and high speed are characteristic features of
    Solution
    These are characteristic features of deer and they help them to become quickly aware of the presence of predators and quickly flee.
    Hence the correct option is A.
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