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Human MCQ

228 MCQ questions with answers and explanations · page 9 of 10

Test yourself▶ 25 question test▶ 50 question test

Q201. Which one of following gland disapear during old age

  1. APituitary
  2. BThyroid
  3. CParathyroid
  4. DThymus
Show answer & explanation

Answer: D) Thymus

Q202. Female reproductive hormones is-

  1. AEstrogen
  2. BProgesteron
  3. CRelaxin
  4. DAll of these
Show answer & explanation

Answer: D) All of these

Q203. In the human body which structure is the appendix attached to ?

  1. ALarge intestine
  2. BThe small intestine
  3. CThe gal bladder
  4. DThe stomach
Show answer & explanation

Answer: A) Large intestine

Q204. Which one of the following is the correct sequence in the order of decreasing length of the structural parts given below of small intestine in the human body ?

  1. AJejunum-Duodenum-Ileum
  2. BIleum-Duodenum-Jejunum
  3. CJejunum-Ileum-Duodenum
  4. DIleum-Jejunum-Duodenum
Show answer & explanation

Answer: D) Ileum-Jejunum-Duodenum

Q205. Production of which one of the following is a function of liver ?

  1. ALipase
  2. BUrea
  3. CMuscus
  4. DHydrochloric acid
Show answer & explanation

Answer: B) Urea

Q206. Which one of following is not a digestive enzyme in human system ?

  1. ATrypsin
  2. BGastrin
  3. CPtyalin
  4. DPepsin
Show answer & explanation

Answer: B) Gastrin

Q207. Consider the following with reference to human body-n(i) The common bile duct releases its contents in stomachn(ii) The pancreatic duct releases its contents into duodenumnWhich of the statement given above is/are correct ?

  1. A1 only
  2. B2 only
  3. CBoth 1 and 2
  4. DNeither 1 or 2
Show answer & explanation

Answer: B) 2 only

Q208. Which one of following is not a good source of nutrient calcium ?

  1. ARice
  2. BRagi
  3. CSkimmed milk
  4. DEgg
Show answer & explanation

Answer: A) Rice

Q209. Assertion (A) : In human body liver has an important role in fat digestion.nReason (R) : Liver produces two important fat digesting enzymes.nCodes :

  1. ABoth A and R are individually true and R is the correct explanation of A
  2. BBoth A and R are individually true, but R is not the correct explanation of A
  3. CA is true but R is false
  4. DAnis false but R is true
Show answer & explanation

Answer: C) A is true but R is false

Q210. Which one of following is the first enzyme to mix with food in the digestive tract ?

  1. ATrypsin
  2. BCellulose
  3. CPepsin
  4. DAmylase
Show answer & explanation

Answer: D) Amylase

Q211. Which one of the followig is the correct sequence of organs that occur in the path of urine flow in human body ?

  1. AKidney, ureter, urinary bladder, urethra
  2. BKidney, urinary bladder, ureter, urethra
  3. CKidney, ureter, urinary bladder
  4. DUrinary bladder, kidney, urethra, ureter
Show answer & explanation

Answer: A) Kidney, ureter, urinary bladder, urethra

Q212. Thyroid gland produces a hormone called "Thuroxine" which

  1. AControls blood glucose levels
  2. BControls ovulation
  3. CControls metabolic rate
  4. D$Maintains pregnancy
Show answer & explanation

Answer: C) Controls metabolic rate

Q213. Which of the following glands in human body acts both as a endocrine gland s well as an exocrine gland ?

  1. AAdrenal gland
  2. BLacrimal gland
  3. CPancreas
  4. DThyroid
Show answer & explanation

Answer: C) Pancreas

Q214. Which of the following statements about enzymes is/are correct ?n1. They are biocatalyst.n2. They perform their action on the site where they are produced.nSelect the correct answer from the codes given below :ncodes :

  1. A1 only
  2. B2 only
  3. CBoth 1 and 2
  4. DNeither 1 nor 2
Show answer & explanation

Answer: A) 1 only

Q215. Mothers's milk provides almost complete diet to the new-born, but it lacks the following

  1. AIron
  2. BCalcium
  3. CMagnesium
  4. DPotassium
Show answer & explanation

Answer: A) Iron

Q216. Which muscles in the skin contract to make the hairs on our skin stand up straight (goose bumps) when we ae cold or frightened ?

  1. AElastin
  2. BEpidermis
  3. CCollagen
  4. DArrector pili
Show answer & explanation

Answer: D) Arrector pili

Q217. What is the primary function of the eccrine glands ?

  1. ATo produce sweat
  2. BTo produce colour of the skin
  3. CTo produce bodyhair
  4. DTo produce growth hormones
Show answer & explanation

Answer: A) To produce sweat

Q218. Which of the following nutrients stores maximum energy per gram ?

  1. ARoughage
  2. BFat
  3. CProteins
  4. DVitamins
Show answer & explanation

Answer: B) Fat

Q219. The blood vessels that carry from the heart to the various parts of the body are called-

  1. AArteries
  2. BCapillaries
  3. CVeins
  4. DSeptum
Show answer & explanation

Answer: A) Arteries

Q220. Blood clot is formed because of the presence of certain cells in the blood called-

  1. AChondrocytes
  2. BErythrocytes
  3. CPlatelets
  4. DLymphocytes
Show answer & explanation

Answer: C) Platelets

Q221. Which of the following hormones is known to be helpful in coping with stress ?

  1. AMelatonin
  2. BCalcitonin
  3. CTestosterone
  4. DSerotonin
Show answer & explanation

Answer: D) Serotonin

Q222. Which of the following hormone is not secreted by thyroid gland ?

  1. AThyroxine
  2. BCalcitonin
  3. CTriiodothyronine
  4. DThymosin
Show answer & explanation

Answer: D) Thymosin

Q223. International pacemaker is located for which of the following parts of human body ?

  1. ABrain
  2. BHeart
  3. CKidney
  4. DLiver
Show answer & explanation

Answer: B) Heart

Q224. When exposed to sunlight our skin gets darker due to presence of-

  1. AKarotene
  2. BOxylophytes
  3. CMelanin
  4. DFlavoxanthin
Show answer & explanation

Answer: C) Melanin

Q225. Whichone of the following statements best describes the role B cells and T cells in human body ?

  1. AThey protect the body from environment allergens
  2. BThey alleviate the body's pai and inflammation
  3. CThey act as immunosuppressants in the body
  4. DThey protect the body from the diseases caused by pathogens
Show answer & explanation

Answer: D) They protect the body from the diseases caused by pathogens

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