25 important Multiple choice questions from the topic body fluid and circulation, biology class 11th for NEET 2022. Practice these questions and be ready for the upcoming exam.
Body Fluid and Circulation, Class 11th Biology Practice Test | NEET MCQs
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Total: 25 Questions
Questions
Q1.
How many percent of plasma is water
📘 Explanation:
90-92 of water is plasma
Q2.
Which among the following is not the major protein of plasma
📘 Explanation:
Basophil is a type of WBC
Q3.
What is life span of RBC in days
Q4.
Which is devoid of nucleus
📘 Explanation:
Only RBCs are devoid of nucleus
Q5.
What is the percent of formed elements in blood
📘 Explanation:
55 percent is plasma and 45 is formed elements
Q6.
Plasma without clotting factor is known as
📘 Explanation:
Serum is the plasma w/o clotting factor
Q7.
Which is also known as reservoir of RBC
📘 Explanation:
Spleen is graveyard , reservoir for RBC
Q8.
Which among the following WBC secrete histamine, serotonin,heparin
📘 Explanation:
Basophil secrete these substances and is involved in inflammatory reactions
Q9.
Where does erythropoiesis in adult takes place
📘 Explanation:
In adults this process takes place in bone marrow
Q10.
which blood group is known as universal donor
📘 Explanation:
AB is known as the universal acceptor
Q11.
which blood group is known as universal acceptor
📘 Explanation:
AB is known as the universal acceptor
Q12.
Which enzyme converts prothrombin into thrombin
📘 Explanation:
Thrombin is incorrect as it converts fibrinogens into fibrin
Q13.
Which among the following plays imp role in clotting
📘 Explanation:
Ca2+ helps in blood coagulation
Q14.
which is antigen for blood group A
Q15.
Which blood group lacks antigens
📘 Explanation:
Rest all have antigens A,B, [A,B] respectively
Q16.
Which among the following has 2 chamber heart
📘 Explanation:
Rest all have 4 chambered heart
Q17.
Which is known as pacemaker of
📘 Explanation:
AV is known as pace setter
Q18.
How many times our heart beats in a minute
Q19.
What is duration of cardiac cycle in sec
Q20.
What is first name of heart sound
📘 Explanation:
Dubb is second sound
Q21.
What does P wave indicate
Q22.
What?s meaning of systole
📘 Explanation:
Diastole means relaxation
Q23.
What is normal blood pressure
Q24.
T wave represents
📘 Explanation:
In this ventricles return from excited to normal state
Q25.
What condition occurs when not enough oxygen reaches heart muscle
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