Circulatory System – Old Year Questions

1. How many times, a healthy person’s average heart beats in a minute–

(a) 86 times
(b) 98 times
(c) 72 times
(d) 64 times

[Uttarakhand P.C.S. (Pre) 2007]

[M.P.P.C.S. (Pre) 2000]


2. When does heart rest ?

(a) Never
(b) While sleeping
(c) Between two beats
(d) While doing yoga

[U.P.P.C.S. (Pre) 2008]
[U.P. Lower Sub. (Pre) 2004]


3. Which of the following is not a symptom of a heart attack?

(a) Chest pain
(b) Nausea and sweating
(c) Numbness and aching of arms
(d) Pain in legs

[M.P.P.C.S. (Pre) 2000]


4. Which of these are typical signs of heart attack ?

(1) Nausea
(2) Severe perspiration
(3) Headache
(4) Severe chest pain

Select the correct answer from the given code :

(a) 1, 2, 3
(b) 2, 3, 4
(c) 1, 3, 4
(d) 1, 2, 4

[Uttarakhand P.C.S. (Mains) 2002]


5. How many chambers are there in heart?

(a) 2
(b) 4
(c) 6
(d) 8

[M.P.P.C.S. (Pre) 2010]


6. Heart beats are caused by an electrical current that originates in the :

(a) Brain
(b) Blood
(c) Heart
(d) Spinal cord

[Uttarakhand P.C.S. (Mains) 2002]


7. The pulse in the human wrist beats –

(a) Faster than the heart
(b) Slower than the heart
(c) At the same rate as the heart
(d) Independently of the heart

[U.P.P.C.S. (Mains) 2010]
[U.P.P.C.S. (Mains) 2008]


8. The total volume of blood in a normal adult human being is

(a) 5-6 litres
(b) 3-4 litres
(c) 8-10 litres
(d) 10-12 litres

[56th to 59th B.P.S.C. (Pre) 2015]


9. The total amount of blood present in a normal human (70 kg) adult is about

(a) 6000 ml
(b) 5000 ml
(c) 4000ml
(d) 3000 ml

[U.P. R.O./A.R.O. (Pre) 2017]


10. Blood is –

(a) Connective tissue
(b) Epithelial tissue
(c) Both of the above
(d) None of the above

[Jharkhand P.C.S. (Pre) 2010]


11. Which among the following help in circulation of blood?

(a) Lymphocytes
(b) Monocytes
(c) Erithrocytes
(d) Blood platelets
(e) None of the above/More than one of the above

[66th B.P.S.C. (Pre) (Re. Exam) 2020]


12. What is haemoglobin ?

(a) Substance found in the leaves of plants
(b) Substance found in the bone-marrow
(c) Substance found in human blood
(d) Secretion coming out from the pituitary gland

[R.A.S./R.T.S. (Pre) 1992]


13. Which of the following statements is NOT correct about haemoglobin?

(a) It is red coloured
(b) It is the carrier of oxygen from lungs to the cells
(c) It is slightly acidic
(d) It carries carbon dioxide away from the tissues to the lungs

[U.P. B.E.O. (Pre) 2019]


14. Read the following statements in connection with red blood corpuscles and with the help, the code given below find out the correct answer ?

1. They have iron
2. They provide red colour to the blood
3. They provide immunity against certain diseases
4. They are the carrier of oxygen in the blood

Code :
(a) 1, 2 and 3
(b) 2, 3 and 4
(c) 1, 2 and 4
(d) 1, 2 3 and 4

[U.P.U.D.A./L.D.A. (Pre) 2001]
[U.P.P.C.S. (Pre) 2001]
[U.P.P.C.S. (Spl.) (Mains) 2004]
[U.P.P.C.S. (Pre) 2005]


15. Consider the following statements about haemoglobin :
1. It carries oxygen in the blood.
2. It is iron-containing compound.
3. It provides a immunity against certain diseases.
4. It imparts a red colour to the blood.
The correct statements out of these are :

(a) 1, 2 and 3
(b) 1, 3 and 4
(c) 2, 3 and 4
(d) 1, 2 and 4

[U.P. P.C.S. (Pre) 2016]


16. The function of haemoglobin in body is

(a) Transport of Oxygen
(b) Destruction of Bacteria
(c) Prevention of Anaemia
(d) Utilization of Iron

[Uttarakhand P.C.S. (Pre) 2006]


17. Which of the following natural substances contains iron (Fe)?

(a) Chlorophyll
(b) Collagen
(c) Keratin
(d) Myoglobin

[U.P. P.C.S. (Pre) 2020]


18. Myoglobin contains the metal –

(a) Copper
(b) Silver
(c) Gold
(d) Iron

[47th B.P.S.C. (Pre) 2005]


19. In which of the following creatures haemoglobin is dissolved in the plasma–

(a) Frog
(b) Fish
(c) Human
(d) Earthworm

[I.A.S. (Pre) 1994]


20. Due to which the blood has red colour :

(a) Plasma
(b) Haemoglobin
(c) Haemocynin
(d) W.B.C.

[U.P.P.C.S. (Pre) 1990]


21. Red blood corpuscles (RBCs) has colour due to :

(a) Cutin
(b) Chlorophyll
(c) Haemocynin
(d) Haemoglobin

[Uttarakhand U.D.A./L.D.A. (Pre) 2003]


22. What function does blood perform in the body?

(a) Takes oxygen to all parts
(b) Maintains liquidity
(c) Helps in digestion
(d) Helps in erection

[M.P.P.C.S. (Pre) 2010]


23. Average blood pressure of a human is –

(a) 60/100
(b) 20/80
(c) 60/140
(d) 120/80

[U.P.P.C.S. (Pre) 1993]


24. The blood pressure (systolic and diastolic) of a healthy man is –

(a) 120 mm and 80 mm
(b) 201 mm and 110 mm
(c) 90 mm and 60 mm
(d) 85 mm and 55 mm

[Uttarakhand P.C.S. (Pre) 2005]
[U.P.P.C.S. (Pre) 1991]


25. Which of the following instrument measures blood pressure –

(a) Spherometer
(b) Anemometer
(c) Sphygmomanometer
(d) Ammeter

[48th to 52nd B.P.S.C. (Pre) 2008]


26. Which of the following instruments is used for measuring blood pressure ?

(a) Hydrometer
(b) Multimeter
(c) Salinometer
(d) Sphygmomanometer

[Uttarakhand Lower Sub. (Pre) 2010]


27. The blood pressure of an individual is 140mm Hg. In this statement, ‘Hg’ refers to –

(a) Hydrogen
(b) Mercury
(c) Hygrometer
(d) Heliograph

[U.P.P.C.S. (Pre) (Re. Exam) 2015]


28. When a person becomes older, his blood pressure generally –

(a) Decreases
(b) Increases
(c) Remains the same
(d) Varies widely

[Uttarakhand P.C.S. (Pre) 2007]


29. Blood pressure of four person give belongs–
Mrs. (X) – 90/60
Mr. (X) – 160/120
Mr. (Y) – 120/80
Mrs. (Y) – 140/100
Whose blood/pressure is normal in the following :

(a) Mrs. (X)
(b) Mr. (X)
(c) Mrs. (Y)
(d) Mr. (Y)

[I.A.S. (Pre) 1993]


30. The blood pressure in our body is –

(a) Lesser than the atmospheric pressure
(b) Greater than the atmospheric pressure
(c) Equal to the atmospheric pressure
(d) None of the above

[Uttarakhand P.C.S. (Mains) 2006]


31. Blood grouping was discovered by –

(a) Louis Pasteur
(b) William Harvey
(c) Robert Koch
(d) Landsteiner

[U.P.P.C.S. (Pre) 2003]
[U.P. Lower Sub. (Pre) 2004]
[Uttarakhand P.C.S. (Pre) 2007]


32. Rhfactor derives its name from a type of :

(a) Ape
(b) Human
(c) Monkey
(d) Rat

[U.P. U.D.A./L.D.A. (Mains) 2010]


33. The blood group of universal donor is –

(a) B
(b) O
(c) A
(d) AB

[40th B.P.S.C. (Pre) 1995]
[43rd B.P.S.C. (Pre) 1999]
[M.P. P.C.S. (Pre) 2000]
[U.P.U.D.A./L.D.A. (Pre) 2003]


34. For human blood transfusion, which blood group is known as a universal donor?

(a) B+ Group
(b) O Group
(c) AB Group
(d) A+ Group

[U.P. P.C.S. (Pre) 2016]


35. A person of which blood group can be a universal donor?

(a) O
(b) A
(c) B
(d) AB

[M.P.P.C.S. (Pre) 2015]


36. Assertion (A) : People with AB blood groups are
universal recipients.
Reason (R) : Red blood cell of blood group AB has
no antigen and so agglutination does
not occur with any other blood group.

Code :
(a) both (A) and (R) are individually true, and (R) is the correct explanation of (A).
(b) both (A) are (R) are individually true, but (R) is the correct explanation of (A).
(c) (A) is true, but (R) is false.
(d) (A) is true, but (R) is true.

[M.P.P.C.S. (Pre) 2008]


37. Blood group AB can accept blood from a person of which blood group ?

(a) A Only
(b) B Only
(c) AB Only
(d) Any Group

[Chhattisgarh P.C.S. (Pre) 2003]


38. A person with ‘AB’ blood group is sometimes called a universal recipient because of the :

(a) Lack of antigen in his blood
(b) Lack of antibodies in his blood
(c) Lack of both antigens and antibodies in his blood
(d) Presence of antibodies in his blood

[I.A.S. (Pre) 1995]


39. A man having ‘A’ blood group met a serious road accident and the doctors advised for blood transfusion. The relatives were asked to donate blood, whose blood groups were found to be as follows :
(i) Wife – ‘O’
(ii) Brother – ‘AB’

(iii) Son – ‘A’
(iv) Daughter – ‘O’

Who among the above relations could donate blood to
the injured man?

(a) (i) and (ii)
(b) (ii) and (iii)
(c) (ii), (iii) and(iv)
(d) (i), (iii) and (iv)

[R.A.S./R.T.S.(Pre) 2013]


40. A person meets with an accident and needs a blood transfusion but there is no time to check his blood group. Which of the following blood groups could be given to him?

(a) O+
(b) O–
(c) AB+
(d) AB–

[U.P.P.C.S. (Pre) 2006]
[R.A.S./R.T.S. (Pre) 2013]


41. A man whose blood group is not known meets with a serious accident and needs blood transfusion immediately. Which one of the blood groups mentioned below and readily available in the hospital will be safe for transfusion?

(a) O, Rh–
(b) O, Rh+
(c) AB, Rh–
(d) AB, Rh+

[R.A.S/R.T.S. (Pre) 2013]
[I.A.S. (Pre) 2001]


42. A married couple adopted a male child. A few years later, twin boys were born to them. The blood group of the couple is AB positive and O negative. The blood group of the three sons is A positive, B positive and O positive. The blood group of the adopted son is –

(a) O positive
(b) A positive
(c) B positive
(d) Cannot be determined on the basis of the given data

[I.A.S. (Pre) 2011]

43. If the blood group of father is A and mother is ‘O’ then what will be the blood group of son –

(a) B
(b) AB
(c) O
(d) B, AB or O

[I.A.S. (Pre) 1994]


44. Mother-foetus Rh blood type incapability problems can occur if the mother is ……….. and her foetus is ……….. :

(a) Rh positive; Rh negative
(b) Rh negative; Rh positive
(c) Rh negative; Rh negative
(d) Rh positive; Rh positive

[R.A.S./ R.T.S. (Pre) 2021]


45. What is the pH level of blood of a normal person?

(a) 4.5 – 4.6
(b) 6.45 – 6.55
(c) 7.35 – 7.45
(d) 8.25 – 8.35

[U.P.P.C.S. (Mains) 2007]
[I.A.S. (Pre) 2008]
[M.P.P.C.S. (Pre) 2010]


46. The pH value of blood is –

(a) 5.0
(b) 6.4
(c) 7.4
(d) 8.0

[Jharkhand P.C.S. (Pre) 2013]


47. The pH value of the blood in human body is –

(a) 6.4
(b) 4.8
(c) 7.4
(d) 8.4
(e) 6.2

[Chhattisgarh P.C.S (Pre) 2013]


48. An antigen is a substance which :

(a) Destroys harmful bacteria
(b) Is used to treat poisoning
(c) Lowers body temperature
(d) Stimulates formation of antibody

[I.A.S. (Pre) 2001]


49. An antigen is a substance which –

(a) Lowers body temperatures
(b) Destroys harmful bacteria
(c) Triggers the immune system
(d) Is used as an antidote to poison

[I.A.S. (Pre) 1997]


50. What is the basic feature of antigen –

(a) It induces formation of haemoglobin
(b) It induces formation of antibodies
(c) It destroys insulin
(d) It acts against the antibodies

[Jharkhand P.C.S. (Pre) 2003]


51. Which of the following helps us in protecting from infection –

(a) R.B.C.
(b) W.B.C.
(c) Blood Plasma
(d) Haemoglobin

[R.A.S./R.T.S. (Pre) 1999]


52. The main function of white blood cells is –

(a) Transport of oxygen
(b) Transport of carbon dioxide
(c) To develop resistance towards disease
(d) None of the above

[Jharkhand P.C.S. (Pre) 2003]


53. Antibodies are formed in blood plasma by which of the following –

(a) Monocytes
(b) Lymphocytes
(c) Eosinoophils
(d) Neutrophils

[Jharkhand P.C.S. (Pre) 2003]


54. The immunity (defence) is mostly related with –

(a) Lymphocytes
(b) Monocytes
(c) Red blood cells
(d) Thrombocytes

[R.A.S./R.T.S. (Pre) 1993]


55. The viscous nature of human blood is due to –

(a) Proteins in blood
(b) Platelets in plasma
(c) RBC and WBC in blood
(d) All of the above

[Jharkhand P.C.S. (Pre) 2013]


56. The diameter of white blood corpuscles in human body is, about :

(a) 0.007 mm
(b) 0.7 mm
(c) 0.07 mm
(d) 0.0007 mm

[Chhattisgarh P.C.S. (Pre) 2008]


57. In pathology excess of white corpuscles in the blood is called

(a) Anoxia
(b) Leukemia
(c) Anaemia
(d) Septicemia

[Uttarakhand P.C.S. (Pre) 2007]


58. In which part of our body are formed Red Blood Cells?

(a) Liver
(b) Heart
(c) Kidney
(d) Bone Marrow

[Uttarakhand Lower Sub. (Pre) 2010]
[Uttrakhand U.D.A./L.D.A. (mains) 2006]


59. Formation of WBC and destruction of RBC takes place in –

(a) Lymph gland
(b) Spleen
(c) Pancrease
(d) Liver

[U.P.P.C.S. (Spl.) (Mains) 2008]


60. Lymphocytes cells are formed in which part of human body?

(a) Liver
(b) Kidney
(c) Pancreas
(d) Spleen

[Jharkhand P.C.S. (Pre) 2010]


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

(a) Liver
(b) Bone marrow
(c) Spleen
(d) Pancreas
(e) None of the above/More than one of the above

[65th B.P.S.C. (Pre) 2019]


62. Arteries supplying blood to the heart are called :

(a) Carotid arteries
(b) Hepatic arteries
(c) Coronary arteries
(d) Pulmonary arteries

[I.A.S. (Pre) 1997]


63. With which of the physiological process thrombin is associated?

(a) Excretion
(b) Blood clotting
(c) Reproduction
(d) Growth

[U.P.P.C.S (Pre) 2011]


64. The enzyme which takes part in changing fibrinogen to fibrin when blood clots are formed-

(a) Pepsin
(b) Maltase
(c) Thrombin
(d) Prothrombin

[R.A.S./R.T.S. (Pre) 1999]


65. Percentage of water in plasma is –

(a) 60%
(b) 70%
(c) 80%
(d) 90%

[Jharkhand P.C.S. (Pre) 2010]


66. With reference to the blood in a normal person, which one of the following statements is correct ?

(a) Compared to arteries, veins are less numerous and hold less of the body’s blood at any given time
(b) Blood cells constitute about 70 percent of the total volume of the blood
(c) White blood cells (WBC) are made by lymph nodes only
(d) The blood has more platelets than WBC

[I.A.S. (Pre) 2002]


67. Consider the following :

Assertion (A) : Alum is applied to stop bleeding from cuts.
Reason (R) : Blood is a colloidal system containing
colloidal particles. The Aluminium ions
of Alum have high coagulating power
so the blood gets coagulated.
Select the correct answer using the code given below:

Code :
(a) Both (A) and (R) are true, and (R) is the correct explanation of (A).
(b) Both (A) and (R) are true, but (R) is not a correct explanation of (A).
(c) (A) is true, but (R) is false.
(d) (A) is false, but (R) is true.

[U.P.P.C.S. (Mains) 2010]


68. Scientists of which country have developed an artificial blood that is a kind of plastic blood which could be given to any patient regardless of his blood group ?

(a) U.S.A.
(b) Britain
(c) China
(d) Norway

[U.P.P.C.S. (Mains) 2006]