Practice test

Skeletal system - Test Set 3

Review 20 exam-focused questions with detailed explanations, then start the interactive test when you are ready.

20 questions

Questions and explanations

  1. Question 1

    Which one among the following statements are correct?
    I. Ligaments are very flexible.
    II. Ligaments connect muscles and bones.
    III. Ligaments contain very little matrix.
    Choose correct answer from given codes.
    1. Only I
    2. I and III
    3. II and III
    4. All of these
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  2. Question 2

    Deficiency of which of the following elements is responsible for weakening of bones?

    1.Calcium

    2.Phosphorus

    3.Nitrogen

    4.Carbon
    Select the correct answer using the code given below :
    1. 1 and 2
    2. Only 1
    3. 1, 2 and 3
    4. Only 4
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  3. Question 3

    Which of the following statements is/are correct?

    Ligaments are highly flexible.

    Ligaments connect muscles and bones.

    Ligaments contain very little matrix.
    Select the correct answer using the code given below :
    1. 1, 2 and 3
    2. 1 and 3
    3. 2 and 3
    4. Only 1
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  4. Question 4

    Which of the following is the hardest substance in the human body:
    1. Dentine
    2. Enamel
    3. Bone
    4. Nail
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  5. Question 5

    The number of milk teeth in man is
    1. 28
    2. 29
    3. 20
    4. 12
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  6. Question 6

    Bones are pneumatic in-
    1. Fishes
    2. Amphibians
    3. Reptiles
    4. Birds
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  7. Question 7

    "Sodium Pump" operates in-
    1. Muscle contraction
    2. Heart beat
    3. Nerve impulse
    4. None of the baove
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  8. Question 8

    What does enamel cover?
    1. Crown of the tooth
    2. Dentin on all sides
    3. Cementum
    4. Cementum and partly dentin
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  9. Question 9

    The contractile proteins in a muscle are:
    1. Actin and Myosin
    2. Actin and Tropomyosin
    3. Myosin and Troponin
    4. Troponin and Tropomyosin
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  10. Question 10

    Osteocytes are found in-
    1. Bone
    2. Blood
    3. Cartilage
    4. Lymph
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  11. Question 11

    Fat present below the skin surface in our body acts as a barrier against:
    1. Loss of heat from the body
    2. Loss of essential body fluids
    3. Loss of salt from the body
    4. Entry of harmful micro-organisms from the environment
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  12. Question 12

    Of which tissue nails, hoofs and and horns are made of?
    1. Cuticle
    2. Chitin
    3. Keratin
    4. Tunicin
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  13. Question 13

    Jaws are absent in:
    1. Birds
    2. Fishes
    3. Protochoradates
    4. Reptiles
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  14. Question 14

    Grey hair is caused due to-
    1. Aging of epidermal cells
    2. Death of dermal cells
    3. Loss of sebum in epidermal cells
    4. Loss of melanin in epidermal cells
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  15. Question 15

    Wings of a bird and an insect are-
    1. Homologous organs
    2. Analogous organs
    3. Vestigial organs
    4. Rudimentary organs
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  16. Question 16

    The skin biting mosquito has legs as locomotory organ which are-
    1. Four pairs
    2. Three parts
    3. Two pairs
    4. One pair
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  17. Question 17

    Teeth and Bones acquire strength and rigidity from -
    1. Calcium
    2. Flourine
    3. Chlorine
    4. Sodium
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  18. Question 18

    The type of tail found in Shark is—
    1. Protecereal
    2. Homocereal
    3. Heterocereal
    4. Diphycereal
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  19. Question 19

    Bone ossification test is conducted to as certain human—
    1. Brain efficiency
    2. Tentative age
    3. Tentative height
    4. Drug addiction
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  20. Question 20

    Water flows off the wings of birds and insects due to the presence of—
    1. Waxes
    2. Sugars
    3. Proteins
    4. Minerals
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