Skip to content
Sign in

Human Anatomy Physiology Competitive Exams

100 questions · General Science

  1. Question 1 of 100

    The main muscle used in breathing is the

  2. Question 2 of 100

    The Bohr effect describes that

  3. Question 3 of 100

    Insulin is secreted by the

  4. Question 4 of 100

    Pulmonary circulation carries blood from the

  5. Question 5 of 100

    Calcium levels in blood are raised by

  6. Question 6 of 100

    Rods in the retina are responsible for

  7. Question 7 of 100

    Veins carry blood

  8. Question 8 of 100

    The human heart has

  9. Question 9 of 100

    In an ECG, the QRS complex represents

  10. Question 10 of 100

    According to the sliding filament theory, muscle contraction occurs when

  11. Question 11 of 100

    Each haemoglobin molecule can bind a maximum of

  12. Question 12 of 100

    The natural pacemaker of the heart is the

  13. Question 13 of 100

    The normal resting heart rate of an adult is about

  14. Question 14 of 100

    The part of the brain responsible for balance and coordination of movement is the

  15. Question 15 of 100

    Plasma is about ______ of blood volume.

  16. Question 16 of 100

    A rise in blood glucose is brought about by

  17. Question 17 of 100

    The 'lub' heart sound is caused by the

  18. Question 18 of 100

    The part of the eye on which the image is formed is the

  19. Question 19 of 100

    The male sex hormone is

  20. Question 20 of 100

    The total number of teeth in an adult human is

  21. Question 21 of 100

    Melatonin, regulating the sleep–wake cycle, is secreted by the

  22. Question 22 of 100

    The ear is the organ of

  23. Question 23 of 100

    The parasympathetic nervous system generally

  24. Question 24 of 100

    Aldosterone helps to

  25. Question 25 of 100

    The part of the brain that controls involuntary actions such as heartbeat and breathing is the

  26. Question 26 of 100

    Gas exchange in the lungs occurs in the

  27. Question 27 of 100

    The glomerular filtration rate (GFR) of a healthy adult is about

  28. Question 28 of 100

    Blood platelets help in

  29. Question 29 of 100

    Fertilisation in humans normally occurs in the

  30. Question 30 of 100

    The windpipe is also called the

  31. Question 31 of 100

    The largest gland in the human body is the

  32. Question 32 of 100

    Goitre is caused by deficiency of

  33. Question 33 of 100

    The organ that controls all activities of the body is the

  34. Question 34 of 100

    The number of bones in an adult human body is

  35. Question 35 of 100

    A common neurotransmitter at the neuromuscular junction is

  36. Question 36 of 100

    The myelin sheath around axons

  37. Question 37 of 100

    The iron-containing pigment in red blood cells is

  38. Question 38 of 100

    The tidal volume of a resting adult human is about

  39. Question 39 of 100

    A reflex action is controlled mainly by the

  40. Question 40 of 100

    Antibodies are produced by

  41. Question 41 of 100

    The main function of the heart is to

  42. Question 42 of 100

    Arteries carry blood

  43. Question 43 of 100

    The three ear ossicles (malleus, incus and stapes) function to

  44. Question 44 of 100

    The acid secreted in the stomach is

  45. Question 45 of 100

    The master gland of the body is the

  46. Question 46 of 100

    Muscles of the heart are called

  47. Question 47 of 100

    The sperm are produced in the

  48. Question 48 of 100

    Valves in the heart and veins

  49. Question 49 of 100

    The smallest bone in the human body is the

  50. Question 50 of 100

    The rising phase of an action potential is caused by

  51. Question 51 of 100

    The respiratory centre that controls breathing rate is located in the

  52. Question 52 of 100

    Adrenaline is called the 'fight or flight' hormone and is secreted by the

  53. Question 53 of 100

    Tendons connect

  54. Question 54 of 100

    The universal blood donor and universal recipient groups are, respectively,

  55. Question 55 of 100

    The largest bone in the human body is the

  56. Question 56 of 100

    A normal human blood pressure reading is about

  57. Question 57 of 100

    The hormone that triggers ovulation is

  58. Question 58 of 100

    The spinal cord is protected by the

  59. Question 59 of 100

    Oxygen is carried in the blood mainly in the form of

  60. Question 60 of 100

    The lymphatic system helps to

  61. Question 61 of 100

    A human has ______ pairs of ribs.

  62. Question 62 of 100

    The pregnancy hormone detected in pregnancy tests is

  63. Question 63 of 100

    The three main parts of a neuron are the

  64. Question 64 of 100

    The voice box is also called the

  65. Question 65 of 100

    The eye lens changes its shape to focus on near and distant objects. This is called

  66. Question 66 of 100

    Secretin, released by the duodenum, stimulates the pancreas to release

  67. Question 67 of 100

    White blood cells (WBCs) mainly

  68. Question 68 of 100

    The hypothalamus is responsible for

  69. Question 69 of 100

    Osteoclasts are the cells that

  70. Question 70 of 100

    Erythropoietin, which stimulates red blood cell production, is secreted mainly by the

  71. Question 71 of 100

    The tongue has taste buds that detect

  72. Question 72 of 100

    Villi in the small intestine

  73. Question 73 of 100

    Red blood cells (RBCs) carry

  74. Question 74 of 100

    Antidiuretic hormone (ADH) acts on the kidney to

  75. Question 75 of 100

    The loop of Henle is important for

  76. Question 76 of 100

    Lack of insulin leads to

  77. Question 77 of 100

    Muscle fatigue during vigorous exercise is mainly associated with

  78. Question 78 of 100

    The functional unit of the kidney is the

  79. Question 79 of 100

    The large intestine mainly absorbs

  80. Question 80 of 100

    The largest organ of the human body is the

  81. Question 81 of 100

    Digestion of starch begins in the

  82. Question 82 of 100

    A ball-and-socket joint is found at the

  83. Question 83 of 100

    The normal human body temperature is about

  84. Question 84 of 100

    Haemolytic disease of the newborn can occur when the mother is

  85. Question 85 of 100

    The placenta

  86. Question 86 of 100

    Pepsin, found in the stomach, digests

  87. Question 87 of 100

    Our skin makes ______ with the help of sunlight.

  88. Question 88 of 100

    Urea, the main nitrogenous waste in humans, is formed in the

  89. Question 89 of 100

    The heart chamber with the thickest wall is the

  90. Question 90 of 100

    Night blindness is due to deficiency of

  91. Question 91 of 100

    Bile, which helps to emulsify fats, is produced by the

  92. Question 92 of 100

    If the heart rate is 72 beats/min and stroke volume is 70 mL, the cardiac output is about

  93. Question 93 of 100

    The kidneys help to

  94. Question 94 of 100

    Vaccination provides

  95. Question 95 of 100

    The HIV virus mainly attacks

  96. Question 96 of 100

    Most absorption of digested food takes place in the

  97. Question 97 of 100

    Most of the carbon dioxide in blood is transported as

  98. Question 98 of 100

    The exchange of gases in humans takes place in the

  99. Question 99 of 100

    The resting membrane potential of a typical neuron is about

  100. Question 100 of 100

    Rigor mortis occurs because of

Question 1 / 100

0 / 100 answered · 0 skipped