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Diversity in Living Organisms Test - 33

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Diversity in Living Organisms Test - 33
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Weekly Quiz Competition
  • Question 1
    1 / -0
    Alligator occurs in
    Solution
    Alligatoes occurs in
    B) America and China
    Alligators are native to only America 
    and China. The majority of America 
    Alligators inhabit Florida and Louisiang
    Chinese Alligators currently is found in 
    only yangtze River valley.

  • Question 2
    1 / -0
    In Crocodilia, the teeth are
    Solution
    In Crocodilia, the teeth are thecodont. Thecodont dentition is a morphological arrangements in which the base of the tooth is completely enclosed in a deep socket of bone, they are unequal in shape and sizes which makes them unable to masticate their food.
    So, option D is the correct option.
  • Question 3
    1 / -0
    Gavialis is characterised by
    Solution
    Gavialis have long, narrow snout. The protuberance at the end of the snout resembles an earthen pot called ghara. Gharials are olive in colour. Adults are darker than the young one.
    So, the correct answer is D.
  • Question 4
    1 / -0
    Gavialis lives in
    Solution
    Gavialis sp. is found in the Indus river in Pakistan, the Ganges in India, Brahmaputra river in Assam etc.
    So, the correct answer is B.
  • Question 5
    1 / -0
    In Crocodilians, fore limbs are
  • Question 6
    1 / -0
    Crocodiles resemble mammals in having
  • Question 7
    1 / -0
    Crocodile swims in water by means of
  • Question 8
    1 / -0
    The upper dorsal part of chelone shell is
    Solution
    The upper dorsal side of chelone shell is carapace. It is convex in shape. The underside portion of shell is called plastron.
    So, the correct answer is A.
  • Question 9
    1 / -0
    Snake produces hissing sound through 
    Solution
    Snakes have an organ in the throat called the glottis through which they breathe. By forcibly expelling air from the nares, the snake makes structures within the glottis rattle, creating a hissing sound.
    So, the option C is the correct option.
  • Question 10
    1 / -0
    Limbs are modified into flippers in:
    Solution
    • The flippers developed in sea turtles are adapted for swimming and as a handle to eat prey.
    • Terrapin can swim, they don’t have flippers like a turtle but rather legs similar to tortoises.
    • Tortoises live exclusively on dry land.
    • The crocodile doesn't have flippers. 

    Hence, the correct answer is option A.

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