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Solution
Q.10 Correct
Q.10 In-correct
Q.10 Unattempt
A unique vascular connection between the digestive tract and liver is called
[NEET Re-2022]
A unique vascular connection between the digestive tract and liver is called
[NEET Re-2022]

©
Q.11 Correct
Q.11 In-correct
Q.11 Unattempt
Arrange the following formed elements in the
decreasing order of their abundance in blood in
humans :
(a) Platelets
(b) Neutrophils
(c) Erythrocytes.
(d) Eosinophils
(e) Monocytes
Choose the most appropriate answer from the
options given below :
[NEET Re-2022]
Arrange the following formed elements in the
decreasing order of their abundance in blood in
humans :
(a) Platelets
(b) Neutrophils
(c) Erythrocytes.
(d) Eosinophils
(e) Monocytes
Choose the most appropriate answer from the
options given below :
[NEET Re-2022]

©
Q.12 Correct
Q.12 In-correct
Q.12 Unattempt
Under normal physiological conditions in human being every 100ml of oxygenated blood can deliver ml of O2 to the tissues.
[NEET-2022]
Under normal physiological conditions in human being every 100ml of oxygenated blood can deliver ml of O2 to the tissues.
[NEET-2022]

©
Q.13 Correct
Q.13 In-correct
Q.13 Unattempt
Which of the following is not a connective tissue?
[NEET-2022]
Which of the following is not a connective tissue?
[NEET-2022]

©
Q.14 Correct
Q.14 In-correct
Q.14 Unattempt
Which one of the following statements is correct?
[NEET-2022]
Which one of the following statements is correct?
[NEET-2022]

©
Q.15 Correct
Q.15 In-correct
Q.15 Unattempt
Match List-I with List-II

Choose the correct answer from the options given below:
[NEET-2022]
Match List-I with List-II

Choose the correct answer from the options given below:
[NEET-2022]
Q.16 Correct
Q.16 In-correct
Q.16 Unattempt
Persons with 'AB' blood group are called as "Universal recipients". This is due to :
[NEET 2021]

©
Persons with 'AB' blood group are called as "Universal recipients". This is due to :
[NEET 2021]

©
Q.17 Correct
Q.17 In-correct
Q.17 Unattempt
Which enzyme is responsible for the conversion of inactive fibrinogens to fibrins?
[NEET 2021]

©
Which enzyme is responsible for the conversion of inactive fibrinogens to fibrins?
[NEET 2021]

©
Q.18 Correct
Q.18 In-correct
Q.18 Unattempt
Match the following columns and select the correct option.

(2020)
Match the following columns and select the correct option.

(2020)
Q.19 Correct
Q.19 In-correct
Q.19 Unattempt
The QRS complex in a standard ECG represents
(2020)

©
The QRS complex in a standard ECG represents
(2020)

©
Q.20 Correct
Q.20 In-correct
Q.20 Unattempt
All the components of the nodal tissue areautoexcitable. Why does the SA node act as the normal pacemaker?
[2019]

©
All the components of the nodal tissue areautoexcitable. Why does the SA node act as the normal pacemaker?
[2019]

©
Q.21 Correct
Q.21 In-correct
Q.21 Unattempt
A specialised nodal tissue embedded in the lower corner of the right atrium, close to Atrioventricular septum, delays the spreading of impulses to heart apex for about 0.1 sec.
This delay allows [2019]
©
A specialised nodal tissue embedded in the lower corner of the right atrium, close to Atrioventricular septum, delays the spreading of impulses to heart apex for about 0.1 sec.
This delay allows [2019]
©
Q.22 Correct
Q.22 In-correct
Q.22 Unattempt
Match the Column-I with Column-II.

Select the correct option.
[2019]
Match the Column-I with Column-II.

Select the correct option.
[2019]
Q.23 Correct
Q.23 In-correct
Q.23 Unattempt
What would be the heart rate of a person if the cardiac output is 5 L, blood volume in the ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50 mL?
[2019]

©
What would be the heart rate of a person if the cardiac output is 5 L, blood volume in the ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50 mL?
[2019]

©
Q.24 Correct
Q.24 In-correct
Q.24 Unattempt
Match the items given in Column I with those in Column II and select the correct option given below :

[2018]
Match the items given in Column I with those in Column II and select the correct option given below :

[2018]
Q.25 Correct
Q.25 In-correct
Q.25 Unattempt
in Column II and select the correct option given below :

[2018]
in Column II and select the correct option given below :

[2018]
Q.26 Correct
Q.26 In-correct
Q.26 Unattempt
Adult human RBCs are enucleate. Which of the following statement(s) is/are most appropriate explanation for this feature?
(1) They do not need to reproduce.
(2) They are somatic cells.
(3) They do not metabolise.
(4) All their internal space is available for oxygen transport.
(NEET 2017)
Adult human RBCs are enucleate. Which of the following statement(s) is/are most appropriate explanation for this feature?
(1) They do not need to reproduce.
(2) They are somatic cells.
(3) They do not metabolise.
(4) All their internal space is available for oxygen transport.
(NEET 2017)
Q.27 Correct
Q.27 In-correct
Q.27 Unattempt
The hepatic portal vein drains blood to liver from
(NEET 2017)

©
The hepatic portal vein drains blood to liver from
(NEET 2017)

©
Q.28 Correct
Q.28 In-correct
Q.28 Unattempt
Name the blood cells, whose reduction in number can cause clotting disorder, leading to excessive loss of blood from the body.
(NEET II 2016)

©
Name the blood cells, whose reduction in number can cause clotting disorder, leading to excessive loss of blood from the body.
(NEET II 2016)

©
Q.29 Correct
Q.29 In-correct
Q.29 Unattempt
Serum differs from blood in
(NEET II 2016)

©
Serum differs from blood in
(NEET II 2016)

©
Q.30 Correct
Q.30 In-correct
Q.30 Unattempt
Blood pressure in the pulmonary artery is
(NEET I 2016)

©
Blood pressure in the pulmonary artery is
(NEET I 2016)

©
Q.31 Correct
Q.31 In-correct
Q.31 Unattempt
In mammals, which blood vessel would normally carry largest amount of urea?
(NEET I 2016)

©
In mammals, which blood vessel would normally carry largest amount of urea?
(NEET I 2016)

©
Q.32 Correct
Q.32 In-correct
Q.32 Unattempt
Which one of the following animals has two separate circulatory pathways?
(2015)

©
Which one of the following animals has two separate circulatory pathways?
(2015)

©
Q.33 Correct
Q.33 In-correct
Q.33 Unattempt
Doctors use stethoscope to hear the sounds produced during each cardiac cycle. The second sound is heard when
(2015)

©
Doctors use stethoscope to hear the sounds produced during each cardiac cycle. The second sound is heard when
(2015)

©
Q.34 Correct
Q.34 In-correct
Q.34 Unattempt
Erythropoiesis starts in
(2015 Cancelled)
Erythropoiesis starts in
(2015 Cancelled)
Q.35 Correct
Q.35 In-correct
Q.35 Unattempt
Which one of the following is correct?
(2015 Cancelled)
Which one of the following is correct?
(2015 Cancelled)
Q.36 Correct
Q.36 In-correct
Q.36 Unattempt
Blood pressure in the mammalian aorta is maximum during
(2015 Cancelled)
Blood pressure in the mammalian aorta is maximum during
(2015 Cancelled)
Q.37 Correct
Q.37 In-correct
Q.37 Unattempt
Person with blood group AB is considered as universal recipient because he has
(2014)

©
Person with blood group AB is considered as universal recipient because he has
(2014)

©
Q.38 Correct
Q.38 In-correct
Q.38 Unattempt
How do parasympathetic neural signals affect the working of the heart?
(2014)

©
How do parasympathetic neural signals affect the working of the heart?
(2014)

©
Q.39 Correct
Q.39 In-correct
Q.39 Unattempt
The given figure shows schematic plan of blood circulation in humans with labels A to D. Identify the label and give its functions?
(NEET 2013)
The given figure shows schematic plan of blood circulation in humans with labels A to D. Identify the label and give its functions?
(NEET 2013)
Q.40 Correct
Q.40 In-correct
Q.40 Unattempt
The diagram given here is the standard ECG of a normal person. The P-wave represents the
(NEET 2013)
The diagram given here is the standard ECG of a normal person. The P-wave represents the
(NEET 2013)
Q.41 Correct
Q.41 In-correct
Q.41 Unattempt
The figure shows blood circulation in humans with labels A to D. Select the option which gives correct identification of label and functions of the part.
(KN NEET 2013)
The figure shows blood circulation in humans with labels A to D. Select the option which gives correct identification of label and functions of the part.
(KN NEET 2013)
Q.42 Correct
Q.42 In-correct
Q.42 Unattempt
The figure shows a human blood cell. Identify it and give its characteristics.

(KN NEET 2013)
The figure shows a human blood cell. Identify it and give its characteristics.

(KN NEET 2013)
Q.43 Correct
Q.43 In-correct
Q.43 Unattempt
A certain road accident patient with unknown blood group needs immediate blood transfusion. His one doctor friend at once offers his blood. What was the blood group of the donor?
(2012)

©
A certain road accident patient with unknown blood group needs immediate blood transfusion. His one doctor friend at once offers his blood. What was the blood group of the donor?
(2012)

©
Q.44 Correct
Q.44 In-correct
Q.44 Unattempt
Which one of the following human organs is often called the "graveyard" of RBCs?
(Mains 2012)

©
Which one of the following human organs is often called the "graveyard" of RBCs?
(Mains 2012)

©
Q.45 Correct
Q.45 In-correct
Q.45 Unattempt
'Bundle of His' is a part of which one of the following organs in humans?
(2011)

©
'Bundle of His' is a part of which one of the following organs in humans?
(2011)

©
Q.46 Correct
Q.46 In-correct
Q.46 Unattempt
Which one of the following plasma proteins is involved in the coagulation of blood?
(2011)

©
Which one of the following plasma proteins is involved in the coagulation of blood?
(2011)

©
Q.47 Correct
Q.47 In-correct
Q.47 Unattempt
Arteries are best defined as the vessels which
(2011)

©
Arteries are best defined as the vessels which
(2011)

©
Q.48 Correct
Q.48 In-correct
Q.48 Unattempt
Which one of the following statements is correct regarding blood pressure?
(2011)

©
Which one of the following statements is correct regarding blood pressure?
(2011)

©
Q.49 Correct
Q.49 In-correct
Q.49 Unattempt
A person with unknown blood group under ABO system, has suffered much blood loss in an accident and needs immediate blood transfusion. His friend who has valid certificate of his own blood type, offers for blood donation without delay. What would have been the type of blood group of the donor friend?
(2011)

©
A person with unknown blood group under ABO system, has suffered much blood loss in an accident and needs immediate blood transfusion. His friend who has valid certificate of his own blood type, offers for blood donation without delay. What would have been the type of blood group of the donor friend?
(2011)

©
Q.50 Correct
Q.50 In-correct
Q.50 Unattempt
Given below is the ECG of a normal human. Which one of its components is correctly interpreted below?
(Mains 2011)
Given below is the ECG of a normal human. Which one of its components is correctly interpreted below?
(Mains 2011)
Q.51 Correct
Q.51 In-correct
Q.51 Unattempt
If due to some injury the chordae tendinae of the tricuspid valve of the human heart is partially non-functional, what will be the immediate effect?
(2010)

©
If due to some injury the chordae tendinae of the tricuspid valve of the human heart is partially non-functional, what will be the immediate effect?
(2010)

©
Q.52 Correct
Q.52 In-correct
Q.52 Unattempt
Which two of the following changes (i -iv) usually tend to occur in the plain dwellers when they move to high altitudes (3,500m or more)?
(i) Increase in red blood cell size
(ii) Increase in red blood cell production
(iii) Increased breathing rate
(iv) Increase in thrombocyte count Changes occurring are
(2010)

©
Which two of the following changes (i -iv) usually tend to occur in the plain dwellers when they move to high altitudes (3,500m or more)?
(i) Increase in red blood cell size
(ii) Increase in red blood cell production
(iii) Increased breathing rate
(iv) Increase in thrombocyte count Changes occurring are
(2010)

©
Q.53 Correct
Q.53 In-correct
Q.53 Unattempt
Fastest distribution of some injectible material/ medicine and with no risk of any kind can be achieved by injecting it into the
(Mains 2010)

©
Fastest distribution of some injectible material/ medicine and with no risk of any kind can be achieved by injecting it into the
(Mains 2010)

©
Q.54 Correct
Q.54 In-correct
Q.54 Unattempt
Given below are four statements (i-iv) regarding human blood circulatory system.
(i) Arteries are thick-walled and have narrow lumen as compared to veins.
(ii) Angina is acute chest pain when the blood circulation to the brain is reduced.
(iii) Persons with blood group AB can donate blood to any person with any blood group under ABO system.
(iv) Calcium ions play a very important role in blood clotting.
Which two of the above statements are correct?
(Mains 2010)

©
Given below are four statements (i-iv) regarding human blood circulatory system.
(i) Arteries are thick-walled and have narrow lumen as compared to veins.
(ii) Angina is acute chest pain when the blood circulation to the brain is reduced.
(iii) Persons with blood group AB can donate blood to any person with any blood group under ABO system.
(iv) Calcium ions play a very important role in blood clotting.
Which two of the above statements are correct?
(Mains 2010)

©
Q.55 Correct
Q.55 In-correct
Q.55 Unattempt
The haemoglobin content per 100 ml of blood of a normal healthy human adult is
(Mains 2010)

©
The haemoglobin content per 100 ml of blood of a normal healthy human adult is
(Mains 2010)

©
Q.56 Correct
Q.56 In-correct
Q.56 Unattempt
There is no DNA in
(2009)

©
There is no DNA in
(2009)

©
Q.57 Correct
Q.57 In-correct
Q.57 Unattempt
In a standard ECG which one of the following alphabets is the correct representation of the respective activity of the human heart?
(2009)

©
In a standard ECG which one of the following alphabets is the correct representation of the respective activity of the human heart?
(2009)

©
Q.58 Correct
Q.58 In-correct
Q.58 Unattempt
Globulins contained in human blood plasma are primarily involved in
(2009)

©
Globulins contained in human blood plasma are primarily involved in
(2009)

©
Q.59 Correct
Q.59 In-correct
Q.59 Unattempt
Compared to blood our lymph has
(2009)

©
Compared to blood our lymph has
(2009)

©
Q.60 Correct
Q.60 In-correct
Q.60 Unattempt
In humans, blood passes from the post caval to the diastolic right atrium of heart due to
(2008)

©
In humans, blood passes from the post caval to the diastolic right atrium of heart due to
(2008)

©
Q.61 Correct
Q.61 In-correct
Q.61 Unattempt
The most active phagocytic white blood cells are
(2008)

©
The most active phagocytic white blood cells are
(2008)

©
Q.62 Correct
Q.62 In-correct
Q.62 Unattempt
Which type of white blood cells are concerned with the release of histamine and the natural anticoagulant heparin?
(2008)

©
Which type of white blood cells are concerned with the release of histamine and the natural anticoagulant heparin?
(2008)

©
Q.63 Correct
Q.63 In-correct
Q.63 Unattempt
A drop of each of the following, is placed separately on four slides. Which of them will not coagulate?
(2007)

©
A drop of each of the following, is placed separately on four slides. Which of them will not coagulate?
(2007)

©
Q.64 Correct
Q.64 In-correct
Q.64 Unattempt
Which one of the following has an open circulatory system?
(2006)

©
Which one of the following has an open circulatory system?
(2006)

©
Q.65 Correct
Q.65 In-correct
Q.65 Unattempt
You are required to draw blood from a patient and to keep it in a test tube for analysis of blood corpuscles and plasma. You are also providedwith the following four types of test tubes. Which of these you will not use for the purpose?
(2006)

©
You are required to draw blood from a patient and to keep it in a test tube for analysis of blood corpuscles and plasma. You are also providedwith the following four types of test tubes. Which of these you will not use for the purpose?
(2006)

©
Q.66 Correct
Q.66 In-correct
Q.66 Unattempt
The cardiac pacemaker in a patient fails to function normally. The doctors find that an artificial pacemaker is to be grafted in him. It is likely that it will be grafted at the site of
(2003)

©
The cardiac pacemaker in a patient fails to function normally. The doctors find that an artificial pacemaker is to be grafted in him. It is likely that it will be grafted at the site of
(2003)

©
Q.67 Correct
Q.67 In-correct
Q.67 Unattempt
Bundle of His is a network of
(2003)

©
Bundle of His is a network of
(2003)

©
Q.68 Correct
Q.68 In-correct
Q.68 Unattempt
In the ABO system of blood groups, if both antigens are present but no antibody, the blood group of the individual would be
(2003)

©
In the ABO system of blood groups, if both antigens are present but no antibody, the blood group of the individual would be
(2003)

©
Q.69 Correct
Q.69 In-correct
Q.69 Unattempt
Impulse of heart beat originates from
(2002)

©
Impulse of heart beat originates from
(2002)

©
Q.70 Correct
Q.70 In-correct
Q.70 Unattempt
Which of the following statements is true for lymph?
(2002)

©
Which of the following statements is true for lymph?
(2002)

©
Q.71 Correct
Q.71 In-correct
Q.71 Unattempt
What is correct for blood group O?
(2001)

©
What is correct for blood group O?
(2001)

©
Q.72 Correct
Q.72 In-correct
Q.72 Unattempt
Difference between pulmonary artery and pulmonary vein is that, the pulmonary artery has
(2000)

©
Difference between pulmonary artery and pulmonary vein is that, the pulmonary artery has
(2000)

©
Q.73 Correct
Q.73 In-correct
Q.73 Unattempt
In which point, pulmonary artery is different from pulmonary vein?
(2000)

©
In which point, pulmonary artery is different from pulmonary vein?
(2000)

©
Q.74 Correct
Q.74 In-correct
Q.74 Unattempt
Which statement is true for WBC?
(2000)

©
Which statement is true for WBC?
(2000)

©
Q.75 Correct
Q.75 In-correct
Q.75 Unattempt
Rate of heart beat is determined by
(1999)

©
Rate of heart beat is determined by
(1999)

©
Q.76 Correct
Q.76 In-correct
Q.76 Unattempt
Which is the principal cation in the plasma of the blood?
(1999)

©
Which is the principal cation in the plasma of the blood?
(1999)

©
Q.77 Correct
Q.77 In-correct
Q.77 Unattempt
The blood group, with antibody- A and antibody-B is
(1999)

©
The blood group, with antibody- A and antibody-B is
(1999)

©
Q.78 Correct
Q.78 In-correct
Q.78 Unattempt
The thickening of walls of arteries is called
(1999)

©
The thickening of walls of arteries is called
(1999)

©
Q.79 Correct
Q.79 In-correct
Q.79 Unattempt
An adult human with average health has systolic and diastolic pressures as
(1998)

©
An adult human with average health has systolic and diastolic pressures as
(1998)

©
Q.80 Correct
Q.80 In-correct
Q.80 Unattempt
Which of the following is not the main function of lymph glands?
(1998)

©
Which of the following is not the main function of lymph glands?
(1998)

©
Q.81 Correct
Q.81 In-correct
Q.81 Unattempt
Which of the following is agranulocyte?
(1997)

©
Which of the following is agranulocyte?
(1997)

©
Q.82 Correct
Q.82 In-correct
Q.82 Unattempt
The life span of human WBC is approximately
(1997)

©
The life span of human WBC is approximately
(1997)

©
Q.83 Correct
Q.83 In-correct
Q.83 Unattempt
The correct route through which pulse-making impulse travels in the heart is
(1995)

©
The correct route through which pulse-making impulse travels in the heart is
(1995)

©
Q.84 Correct
Q.84 In-correct
Q.84 Unattempt
The lymph serves to
(1995)

©
The lymph serves to
(1995)

©
Q.85 Correct
Q.85 In-correct
Q.85 Unattempt
In veins, valves are present to check backward flow of blood flowing at
(1995)

©
In veins, valves are present to check backward flow of blood flowing at
(1995)

©
Q.86 Correct
Q.86 In-correct
Q.86 Unattempt
The neurogenic heart is the characteristic feature
(1995)

©
The neurogenic heart is the characteristic feature
(1995)

©
Q.87 Correct
Q.87 In-correct
Q.87 Unattempt
The heart sound 'dup' is produced when
(1994)

©
The heart sound 'dup' is produced when
(1994)

©
Q.88 Correct
Q.88 In-correct
Q.88 Unattempt
The pacesetter in the heart is called
(1994)

©
The pacesetter in the heart is called
(1994)

©
Q.89 Correct
Q.89 In-correct
Q.89 Unattempt
Blood capillaries are made of
(1993)

©
Blood capillaries are made of
(1993)

©
Q.90 Correct
Q.90 In-correct
Q.90 Unattempt
Cells formed in bone marrow include
(1992)

©
Cells formed in bone marrow include
(1992)

©
Q.91 Correct
Q.91 In-correct
Q.91 Unattempt
The genotype of B blood group father of an O blood group child is
(1992)

©
The genotype of B blood group father of an O blood group child is
(1992)

©
Q.92 Correct
Q.92 In-correct
Q.92 Unattempt
Component of blood responsible for producing antibodies is
(1992)

©
Component of blood responsible for producing antibodies is
(1992)

©
Q.93 Correct
Q.93 In-correct
Q.93 Unattempt
Blood group AB has
(1991)

©
Blood group AB has
(1991)

©
Q.94 Correct
Q.94 In-correct
Q.94 Unattempt
Carbonic anhydrase occurs in
(1991)

©
Carbonic anhydrase occurs in
(1991)

©
Q.95 Correct
Q.95 In-correct
Q.95 Unattempt
Wall of blood capillary is formed of
(1991)

©
Wall of blood capillary is formed of
(1991)

©
Q.96 Correct
Q.96 In-correct
Q.96 Unattempt
Splenic artery arises from
(1991)

©
Splenic artery arises from
(1991)

©
Q.97 Correct
Q.97 In-correct
Q.97 Unattempt
A vein possesses a large lumen because
(1990)

©
A vein possesses a large lumen because
(1990)

©
Q.98 Correct
Q.98 In-correct
Q.98 Unattempt
Arteries carry oxygenated blood except
(1989)

©
Arteries carry oxygenated blood except
(1989)

©
Q.99 Correct
Q.99 In-correct
Q.99 Unattempt
Removal of calcium from freshly collected blood would
(1989)

©
Removal of calcium from freshly collected blood would
(1989)

©
Q.100 Correct
Q.100 In-correct
Q.100 Unattempt
A person with blood group A requires blood. The blood group which can be given is
(1989)

©
A person with blood group A requires blood. The blood group which can be given is
(1989)

©
Q.101 Correct
Q.101 In-correct
Q.101 Unattempt
Tricuspid valve is found in between
(1989)

©
Tricuspid valve is found in between
(1989)

©
Q.102 Correct
Q.102 In-correct
Q.102 Unattempt
Lymph differs from blood in possessing
(1989)

©
Lymph differs from blood in possessing
(1989)

©
Q.103 Correct
Q.103 In-correct
Q.103 Unattempt
Presence of RBC in urine is
(1988)

©
Presence of RBC in urine is
(1988)

©
Q.104 Correct
Q.104 In-correct
Q.104 Unattempt
Child death may occur in the marriage of
(1988)

©
Child death may occur in the marriage of
(1988)

©
Q.105 Correct
Q.105 In-correct
Q.105 Unattempt
Breakdown product of hemoglobin is
(1988)
Breakdown product of hemoglobin is
(1988)
Q.106 Correct
Q.106 In-correct
Q.106 Unattempt
RBCs do not occur in
(1988)

©
RBCs do not occur in
(1988)

©
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