Practice test

Circulatory system and blood - Test Set 5

Review 15 exam-focused questions with detailed explanations, then start the interactive test when you are ready.

15 questions

Questions and explanations

  1. Question 1

    SSC 2017
    Which of the following brings back deoxygenated blood from different parts of human body to heart?
    1. Veins
    2. Arteries
    3. Nerves
    4. Lungs
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  2. Question 2

    CDS 2018 (II)
    Which one of the following statements about lymph is correct?
    1. Lymph is formed due to leakage of blood through capillaries
    2. Lymph contains blood cells such as RBC
    3. Lymph is also circulated by the blood circulating heart
    4. Lymph only transports hormones
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  3. Question 3

    Blood does not coagulate inside the body due to the presence of :
    1. Haemoglobin
    2. Heparin
    3. Hibrin
    4. Plasma
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  4. Question 4

    SSC 2015
    The neutrophils and lymphocytes originate from:
    1. Kidney tubule
    2. Spleen
    3. Bone marrow
    4. Lymph nodes
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  5. Question 5

    NDA 2012
    What are cold-blooded animals?
    1. Animals with blood without haemoglobin
    2. Animals who are not ferocious
    3. Animals whose body temperature remains constant
    4. Animals whose body temperature varies according to the temperature of atmosphere
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  6. Question 6

    RRB NTPC 2017
    The pH value of the human blood is:
    1. 7.2
    2. 7.8
    3. 6.6
    4. 7.4
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  7. Question 7

    NDA 2019 (I)
    Which one of the following statements regarding electrocardiogram is correct?
    1. Electrocardiogram is graphical representation of electrical activity of cornea
    2. Electrocardiogram is graphical representation of activity of kidney
    3. Electrocardiogram is graphical representation of electrical activity of heart
    4. Electrocardiogram is graphical representation of activity of brain
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  8. Question 8

    NDA 2015 (I)
    ‘Lubb-dupp’ sound is produced due to the action of:
    1. Large intestine
    2. Lungs
    3. Heart
    4. Oesophagus
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  9. Question 9

    Normally how many times the human heart beats in a minute?
    1. 82
    2. 75
    3. 85
    4. 72
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  10. Question 10

    SSC 2018
    Stethoscope works on which principle?
    1. Conversion of current into sound
    2. Conversion of sound into current
    3. Reflection of sound
    4. Reflection of light
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  11. Question 11

    SSC CGL 2016
    Consider the following statements.
    I. Arteries are blood vessels that carry blood away from the heart.
    II. Aorta is the main artery leaving the heart.
    III. Pulmonary artery is the only artery that carries oxygen rich blood.
    Which of the above are false?
    1. I and II
    2. II and III
    3. Only III
    4. Only I
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  12. Question 12

    Consider the following statements.
    I. The cardiac cycle consist of two parts systole and diastole.
    II. Atria contract when ventricles relax.
    III. Valves in the heart open and close during the cardiac cycle.
    Which of the above are false?
    1. II and III
    2. Only III
    3. I, II and III
    4. None of these
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  13. Question 13

    The life span of RBC of man is—
    1. 120 days
    2. 150 days
    3. 180 days
    4. 190 days
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  14. Question 14

    Which of the following enzymes aids in coagulation of blood?
    1. Tryptase
    2. Pepsin
    3. Renmin
    4. Amylase
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  15. Question 15

    In which vertebrate oxygenated and deoxygenated blood gets mixed?
    1. Fish
    2. Amphibian
    3. Bird
    4. Mammal
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