NEET UG Zoology — Body Fluids and Circulation previous year questions with solutions.
Which one of the following statements is correct regarding blood pressure?
Given below is the ECG of a normal human. Which one of its components is human, which one of its components is correctly interpreted below. 
Arteries are best defined as the vessels which
Which one of the following plasma proteins is involved in the coagulation of blood?
What are those structures that appear as 'beads-on-string' in the chromosomes when viewed under electron microscope?
'Bundle of His' is a part of which one of the following organs in humans?
Bulk of carbon dioxide $\left(\mathrm{CO}_2\right)$ released from body tissues into the blood is present as
The haemoglobin content per $100 \mathrm{~mL}$ of blood of a normal healthy human adult is
What is true about RBCs in humans?
Given below are four statements (A-D) regarding human blood circulatory system A. Arteries are thick-walled and have narrow lumen as compared to veins. B. Angina is acute chest pain when the blood circulation to the brain is reduced. C. Persons with blood group-AB can donate blood to any person with any blood group under $\mathrm{ABO}$ system. D. Calcium ions play a very important role in blood clotting. Which two of the above statements are correct?
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?
Fastest distribution of some injectible material/medicine and with no risk of any kind can be achieved by injecting it into the
The most popularly known blood grouping is the $\mathrm{ABO}$ grouping. It is named $\mathrm{ABO}$ and not $\mathrm{ABC}$, because "O" in it refers to having :
There is no DNA in :
Compared to blood our lymph has
The most popularly known blood grouping is the $\mathrm{ABO}$ grouping. It is named $\mathrm{ABO}$ and not $A B C$, because ' $O$ ' in it refers to having
Globulins contained in human blood plasma are primarily involved in
Compared to blood our lymph has :
In a standard ECG which one of the following alphabets is the correct represention of the respective activity of the human heart?
Globulins contained in human blood plasma are primarily involved in -
In a standard ECG, which one of the following alphabets is the correct representation of the respective activity of the human heart?
The most active phagocytic white blood cells are
In humans, blood passes from the post caval to the diastolic right atrium of heart due to
Which type of white blood cells are concerned with the release of histamine and the natural anticoagulant heparin?