Here, you will get Class 11 Biology MCQ of Chapter 18 Body Fluids And Circulation for cracking NEET/AIIMS. By solving these MCQs of Class 11 Biology Chapter 18 Body Fluids And Circulation, you will get the confidence to crack NEET. Practice MCQ Questions for Class 11 Biology with Answers on a daily basis and score well in exams.
Body Fluids And Circulation Class 11 MCQs Questions with Answers
In ECG, the depolarisation of atria is indicated by
(a) S-wave
(b) R-wave
(c) P-wave
(d) Q-wave
Answer: (c) P-wave
Father of Angiology is
(a) William Harvey
(b) Batson
(c) Marsello Malpighi
(d) Landsteinar
Answer: (a) William Harvey
What would be the cardiac output of a person having 72 heart beats per minute and a stroke volume of 50 ml?
(a) 360 ml
(b) 7200 ml
(c) 5000 ml
(d) 3600 ml
Answer: (d) 3600 ml
Among the following stem cells, which are found in the umbilical cord?
(a) Cord blood stem cells
(b) Adult stem cells
(c) Embryonic stem cells
(d) All of the above
Answer: (a) Cord blood stem cells
The specialised patch of modified heart muscles from where contraction initiates, is/are
(a) Pacesetter of heart
(b) Both SAN and AVN together
(c) Pacemaker of heart
(d) None of the Above
Answer: (c) Pacemaker of heart
In humans, blood passes from the post caval to the diastolic right atrium of heart due to
(a) Pressure difference between the post caval and atrium
(b) Pushing open of the venous valves
(c) Suction pull
(d) Stimulation of the sino auricular node
Answer: (a) Pressure difference between the post caval and atrium
Pawan stood still for a long time and he felt swelling of feet. What would you suggest him?
(a) Ask for some medicine to cure his swelling of feet
(b) Drink a cup of tea
(c) Jerk or wriggle his legs to restart circulation
(d) Keep on standing and do some shoulder exercise
Answer: (c) Jerk or wriggle his legs to restart circulation
The sound dupp in heart is produced by
(a) Closure of semilunar valves
(b) Closure of A-V valves
(c) Opening of A-V Valves
(d) Opening of semilunar valves
Answer: (a) Closure of semilunar valves
Coronary artery disease (CAD) is often referred to as
(a) Atherosclerosis
(b) Heart failure
(c) Cardiac arrest
(d) None of these
Answer: (a) Atherosclerosis
Christmas disease is also known as
(a) Haemophilia B
(b) AIDS
(c) Haemophilia A
(d) Haemolytic jaundice
Answer: (a) Haemophilia B
What is the normal blood pressure of human beings?
(a) 110/70
(b) 120/70
(c) 120/80
(d) 110/80
Answer: (c) 120/80
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?
(a) The flow of blood into the pulmonary artery will be reduced
(b) The flow of blood into the aorta will be slowed down
(c) The pacemaker will stop working
(d) The blood will tend to flow back into the left atrium
Answer: (a) The flow of blood into the pulmonary artery will be reduced
If vagus nerve is cut the heart beat
(a) increases
(b) decreases
(c) will not be affected
(d) will stop immediately
Answer: (a) increases
Heparin is
(a) Anti-allergic
(b) Blood diluter
(c) Anticoagulant
(d) Antiseptic
Answer: (c) Anticoagulant
Among the following stem cells, which are found in the umbilical cord?
(a) Cord blood stem cells
(b) Adult stem cells
(c) Embryonic stem cells
(d) All of the above
Answer: (a) Cord blood stem cells
The cells lining the blood vessels belong to the category of
(a) Columnar epithelium
(b) Connective tissue
(c) Smooth muscle tissue
(d) Squamous epithelium
Answer: (d) Squamous epithelium
When body tissues are injured resulting in the loss of blood, the process of blood clot begins and the blood platelets release
(a) Fibrinogen
(b) Thrombin
(c) Prothrombin
(d) Thromboplastin
Answer: (d) Thromboplastin
Which of the following statement/statements can be related to erythroblastosis foetalis?
(a) Severe anemia and jaundice to the baby.
(b) Can be avoided by giving anti-Rh antibodies to mother immediately after delivery of the first child.
(c) Rh-antibodies from the Rh -ve mother destroys foetal RBCs.
(d) All of the above
Answer: (d) All of the above
Artificial pace maker is transplanted in
(a) Inter auricular septum
(b) Below the collar bone
(c) Inter ventricular septum
(d) Right auricle
Answer: (b) Below the collar bone
Oxygenated blood occurs in
(a) Pulmonary artery
(b) Right atrium
(c) Right ventricle
(d) Pulmonary vein
Answer: (d) Pulmonary vein
In developing embryo RBCs are formed in
(a) Lymph node
(b) Bone marrow
(c) Liver
(d) Spleen
Answer: (c) Liver
Heart failure occurs due to
(a) heart stops beating
(b) damage of heart muscles
(c) congestion of lungs
(d) all of the above
Answer: (c) congestion of lungs
Duration of cardiac cycle is
(a) 0.7 sec
(b) 0.9 sec
(c) 0.8 sec
(d) 0.11 sec
Answer: (c) 0.8 sec
An adult human has systolic and diastolic pressures as
(a) 80 mm Hg and 120 mm Hg
(b) 120 mm Hg and 80 mm Hg
(c) 50 mm Hg and 80 mm Hg
(d) 80 mm Hg and 80 mm Hg
Answer: (b) 120 mm Hg and 80 mm Hg
In humans, blood passes from the post caval to the diastolic right atrium of heart due to
(a) Pressure difference between the post caval and atrium
(b) Pushing open of the venous valves
(c) Suction pull
(d) Stimulation of the sino auricular node
Answer: (a) Pressure difference between the post caval and atrium
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