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Adaptations in Living Organisms Test - 3

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Adaptations in Living Organisms Test - 3
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Weekly Quiz Competition
  • Question 1
    1 / -0
    Which of the following functions is performed by tail feathers of birds?
    Solution
    Tail feathers of birds help in steering during flight. They help them steer and maneuver while flying, as well as provide stability as they take-off and land. By twisting its tail, the bird can change its direction mid-flight.
  • Question 2
    1 / -0
    Match the following body parts of a bird with their functions:

    (i) Streamlined body (1) Prevent undue loss of heat
    (ii) Contour feathers (2) Steering
    (iii) Wing muscles (3) Least resistance to air during flight
    (iv) Tail feathers (4) Provide powerful downward and upward strokes of wings
    Solution
    (i) – (3), (ii) – (1), (iii) – (4), (iv) – (2)
  • Question 3
    1 / -0
    Which of the following birds is correctly matched with its type of bill?
    Solution
    Birds of prey like hawks and owls have shredder type of sharp, curved bills for tearing meat.
  • Question 4
    1 / -0
    Label the following diagram.

    Solution
    1 – Shell membrane, 2 – Germinal disc, 3 – Yolk, 4 – Chalaza, 5 – Albumen
  • Question 5
    1 / -0
    Which beak is adapted as short, thick and conical for cracking seeds?
    Solution
    Seed eaters like sparrows and cardinals have short, thick conical bills for cracking seed.
  • Question 6
    1 / -0
    Which of the following types of beak is present in duck?
    Solution
    Some ducks have long, flat bills that strain small plants and animals from the water.
  • Question 7
    1 / -0
    Which of the following birds have 'Chisel' like bill?
    Solution
    Woodpeckers have bills that are long and chisel-like for boring into wood to eat insects.
  • Question 8
    1 / -0
    Which type of bill is present in omnivorous birds like crow?
    Solution
    Crows have a multi-purpose bill that allows them to eat fruit, seeds, insects, fish, and other animals.
  • Question 9
    1 / -0
    Which of the following feathers present on the wing and tail of birds is helpful during flight?
    Solution
    Quill feathers present on the wing and tail of birds is helpful during flight.
  • Question 10
    1 / -0
    Arboreal animals are adapted for
    Solution
    Arboreal animals are more common in tropical forests. To ascend and descend the trees without falling, arboreal animals show a variety of adaptations. Some of the adaptations displayed by the arboreal animals are small bodies, clawed or sticky feet, and prehensile tails.
  • Question 11
    1 / -0
    Which of the following structures are associated with the sense of balance in mammals?
    Solution
    Ampullae and semi-circular canals are associated with the sense of balance in mammals.
  • Question 12
    1 / -0
    Which of the following adaptations of birds is helpful in birds for their aerial mode of life?
    Solution
    Streamlined body in birds is helpful for aerial mode of life. A streamlined body shape and a lightweight skeleton composed of hollow bones minimise air resistance and reduce the amount of energy necessary to become and remain airborne.
  • Question 13
    1 / -0
    Which of the following functions are served by the feet in birds if they have nail like toes?
    Solution
    Feet in birds are modified to perform the function of grasping.
  • Question 14
    1 / -0
    Which kind of feet is present in birds to grab a perch tightly?
    Solution
    A long back toe present in birds to grab a perch tightly
  • Question 15
    1 / -0
    Match the following shapes of feet with their functions:
    (i) Large curved claws (1) Grasping
    (ii) Nail like feet (2) Scratching
    (iii) Paddles like feet (3) Swimming
    (iv) Feet with three toes (4) Perching
    Solution
    (i) – (1), (ii) – (2), (iii) – (3), (iv) – (4)
  • Question 16
    1 / -0
    Which of the following features is found in both birds and fishes?
    Solution
    A streamlined shape can allow fish and bird to have less friction and allowing it to move faster and quicker in water and air, respectively.
  • Question 17
    1 / -0
    Which of the following features is not found in birds?
    Solution
    Among these, fixed neck is the feature which is not found in birds.
  • Question 18
    1 / -0
    Which of the following is not a characteristic feature of fishes?
    Solution
    Fishes have streamlined body, fins for locomotion, fixed neck and water proof scales on the body.
  • Question 19
    1 / -0
    Where is the caudal fin situated in the fishes?
    Solution
    Caudal fin is situated at the end in the form of tail in the fishes.It is used for propulsion.
  • Question 20
    1 / -0
    Which of the following fins control(s) the rolling and yawing movements of fish during swimming?
    Solution
    Both dorsal and anal fins control the rolling and yawing movements of fish during swimming.Dorsal and anal fins are median fins located above and below the centre of mass of fishes, each having a moment arm relative to the longitudinal axis.
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