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Human Physiology MCQ

109 MCQ questions with answers and explanations · page 4 of 5

Test yourself▶ 25 question test▶ 50 question test

Q76. Which one of the following organs breaks fat to produce cholesterol ?

  1. Alntestine
  2. BLiver
  3. CLungs
  4. DKidneys
Show answer & explanation

Answer: B) Liver

Q77. An individual whose blood type is B may in an emergency donate blood to a person whose blood type is _

  1. AB or A
  2. BAB or A
  3. CA or O
  4. DAB or B
Show answer & explanation

Answer: D) AB or B

Q78. lnsuline was discovered by _

  1. AF. Banting
  2. BEdward Jenner
  3. CRonald Ross
  4. DFerederick Sanger
Show answer & explanation

Answer: D) Ferederick Sanger

Q79. Which of the following is a good source of Vitamin 'E' ?

  1. AMeat
  2. BGhee
  3. CYellow Yolk
  4. DFresh vegetable
Show answer & explanation

Answer: D) Fresh vegetable

Q80. What is the name of the hormone peoduced by thymus gland ?

  1. AThyroxine
  2. BAuxins
  3. CCytokinins
  4. DThymosin
Show answer & explanation

Answer: D) Thymosin

Q81. The largest organ of human body is _

  1. AHeart
  2. BBrain
  3. CLiver
  4. DKidneys
Show answer & explanation

Answer: C) Liver

Q82. Name the Vitamin not found in any animal food :

  1. AVitamin B
  2. BVitamin C
  3. CVitamin D
  4. DVitamin K
Show answer & explanation

Answer: B) Vitamin C

Q83. Which phenomenon do bats or dolphins use to find prey predators or obstocles ?

  1. ARefraction of sound
  2. BFormation of beats
  3. CScattering of sound
  4. DEcho location
Show answer & explanation

Answer: D) Echo location

Q84. Which part became modified as the tusk of elephant ?

  1. ACanine
  2. BPremolar
  3. CSecond incisor
  4. DMular
Show answer & explanation

Answer: C) Second incisor

Q85. Which is the largest living bird on earth ?

  1. AEmu
  2. BOstrich
  3. CAlbatross
  4. DSiberian Crane
Show answer & explanation

Answer: B) Ostrich

Q86. Which among the following is largest endocrine gland in the body ?

  1. AThyroid
  2. BParathyroid
  3. CAdrenal
  4. DPituitary
Show answer & explanation

Answer: A) Thyroid

Q87. Blood does not coagulate inside the body due to the presence of :

  1. AHaemoglobin
  2. BHeparin
  3. CFibrin
  4. DPlasma
Show answer & explanation

Answer: B) Heparin

Q88. Harmone insulin is a-

  1. AGlycolipid
  2. BFatty acid
  3. CPeptide (protein)
  4. DSterol
Show answer & explanation

Answer: C) Peptide (protein)

Q89. In which organ of the human body are the lymphocytes cells formed ?

  1. ALiver
  2. BBone marrow
  3. CPancrease
  4. DSpleen
Show answer & explanation

Answer: B) Bone marrow

Q90. A person feeds on rice and vegetable made up of patato only. He is likely to suffer from deficiency of :

  1. ACarbohydrate and proteins
  2. BProteins
  3. CCarbohydrate and proteins
  4. DProteins and fats
Show answer & explanation

Answer: B) Proteins

Q91. Which of the following endocrine glands is not found in pair in humans ?

  1. AAdrenal
  2. BPituitary
  3. CTestis
  4. DOvary
Show answer & explanation

Answer: B) Pituitary

Q92. Which one of the following body parts/organs of the human body does not have smooth muscles ?

  1. AUreters
  2. BIris of eye
  3. CBronchi of lungs
  4. DBiceps
Show answer & explanation

Answer: D) Biceps

Q93. Which substance covers the root of the tooth ?

  1. ACementum
  2. BPulp
  3. CDenthin
  4. DEnamel
Show answer & explanation

Answer: A) Cementum

Q94. The pouch connected to the junction of the small intestine and the large intestine is called-

  1. ACondyle
  2. BCaecum
  3. CCoccyx
  4. DAxilla
Show answer & explanation

Answer: B) Caecum

Q95. Identify the organ which is located on both sides in the human body ?

  1. ASpleen
  2. BLiver
  3. CKidney
  4. DBladder
Show answer & explanation

Answer: C) Kidney

Q96. A wound stops bleeding due to the process of clot formation called-

  1. AFermentation
  2. BCoagulation
  3. CTransfusion
  4. DIncubation
Show answer & explanation

Answer: B) Coagulation

Q97. The function of the retina is to-

  1. AClose the eyes through the eyelids to prevent damage to the lens from excessive light
  2. BProcess the information gathered by photoreceptor cells and send it to the brain to decide what the picture is
  3. CLubricate the eye by releasing tears in a controlled way
  4. DAdjust the focus of the lens for formation of a clear image
Show answer & explanation

Answer: B) Process the information gathered by photoreceptor cells and send it to the brain to decide what the picture is

Q98. Which protein protects the epithelial cells from damage ?

  1. ACollagen
  2. BElastin
  3. CActin
  4. DKeratin
Show answer & explanation

Answer: D) Keratin

Q99. Sweating or perspiration is nature's way of-

  1. AReleasing excess salt from the body
  2. BWarding off harmful insects through the bad odour of the sweat
  3. CReleasing excess water from the body
  4. DLowering the internal temperature of the body
Show answer & explanation

Answer: D) Lowering the internal temperature of the body

Q100. The part of the eye which is responsible for the conversion of image of an object into neural signals is-

  1. AIris
  2. BOptic nerve
  3. CVitreous humour
  4. DRetina
Show answer & explanation

Answer: B) Optic nerve

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