Body Fluids and Circulation NEET Questions Pdf Download :
Body Fluids and Circulation NEET Questions is a Scoring topic where candidates can attempt to solve a maximum number of accurate questions and increase their overall score count in the NEET exam. Not only in NEET exams but in other competitive exams as well, Body Fluids and Circulation is considered to be the most Scoring and Simple Chapter. The aim of this Chapter Body Fluids and Circulation MCQ is to test candidates’ awareness and knowledge regarding Body Fluids and Circulation.
These NEET Questions on Body Fluids and Circulation for class 12 Pdf Download will help students score in the upcoming NEET exam and perform better in competitive exams. Hence, it is suggested to students to solve all these Body Fluids and Circulation NEET Questions Pdf Download with their problem-solving skills and cross-check the answers. Also, try to maintain a time limit for each question. Below is the list of all the Important Questions of Body Fluids and Circulation for NEET. Here you can get the MCQs with answers and also download PDFs provided for each topic for extra MCQ on Body Fluids and Circulation to practice more.
NEET Questions on Body Fluids and Circulation :
1. Blood groups are controlled by antigens which are present:-
(1) In plasma
(2) On RBC membrane
(3) In red bone marrow
(4) On WBC membrane
Answer: 2
2. Superior vena cava receives blood from:-
(1) Head, neck, chest
(2) Digestive system
(3) Lower limbs
(4) Diaphragm and legs
Answer: 1
3. Adult human RBCs are enucleated. Which of the following statement(s) is/are the most appropriate explanation for this feature?
(a) They do not need to reproduce
(b) They are somatic cells
(c) They do not metabolize
(d) All their internal space is available for oxygen transport
(1) only (a)
(2) (a), (c) and (d)
(3) (b) and (c)
(4) only (d)
Answer: 2
4. The hepatic portal vein drains blood to the liver from :
(1) Stomach
(2) Kidneys
(3) Intestine
(4) Heart
Answer: 3
5. Frog's heart when taken out of the body continues to beat for some time. Select the best option from the following statements.
(a) Frog is a poikilotherm.
(b) Frog does not have any coronary circulation.
(c) Heart is "myogenic" in nature.
(d) Heart is autoexcitable
Options:
(1) Only(d)
(2) (a) and (b)
(3) (c)and(d)
(4) Only(c)
Answer: 3
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6. Examination of the blood of a person suspected of having anemia, shows large, immature, nucleated erythrocytes without hemoglobin. Supplementing his diet with which of the following is likely to alleviate his symptoms?
(1) Thiamine
(2) Folic acid and cobalamine
(3) Riboflavin
(4) Iron compounds
Answer: 2
7. Which one of the following mammalian cells is not capable of metabolizing glucose to carbon dioxide aerobically?
(1) Red blood cells
(2) White blood cells
(3) Unstriated muscle cells
(4) Liver cells
Answer: 1
8. A drop of each of the following, is placed separately on four slides. Which of them will not coagulate?
(1) Whole blood from the pulmonary vein
(2) Blood plasma
(3) Blood serum
(4) Sample from the thoracic duct of the lymphatic system
Answer: 3
9. Fat-soluble vitamin, which helps in blood clotting by the formation of prothrombin is:-
(1) Vitamin-K
(2) Vitamin-A
(3) Vitamin-D
(4) Vitamin-E
Answer: 1
10. Haemoglobin contains:-
(1) two-a and two b-chains
(2) one globulin chain
(3) four alpha chains
(4) four beta chains
Answer: 1
11. How do parasympathetic neural signals affect the working of the heart?
(1) Reduce both heart rate and cardiac output.
(2) Heart rate is increased without affecting the cardiac output.
(3) Both heart rate and cardiac output increase.
(4) Heart rate decreases but cardiac output increases.
Answer: 1
12. Blood pressure in the mammalian aorta is maximum during :
(1) Diastole of the right ventricle
(2) Systole of the left ventricle
(3) Diastole of the right atrium
(4) Systole of the left atrium
Answer: 2
13. Blood pressure in the pulmonary artery is:-
(1) same as that in the aorta.
(2) more than that in the carotid.
(3) more than that in the pulmonary vein.
(4) less than that in the venae cavae.
Answer: 3
14. Name the blood cells, whose reduction in number can cause clotting disorder, leading to excessive loss of blood from the body.
(1) Neutrophils
(2) Thrombocytes
(3) Erythrocytes
(4) Leucocytes
Answer: 2
15. Serum differs from blood in:-
(1) Lacking clotting factors (2) Lacking antibodies
(3) Lacking globulins
(4) Lacking albumins
Answer: 1
16. What is the main cause of resistance in blood vessels?
(1) Diameter of capillaries
(2) Viscosity of blood
(3) Irregular surface of vessels
(4) All of the above
Answer: 4
17. Which of the following is a correct statement about neutrophils?
(1) maximum in number among WBC's
(2) act as phagocytosis and kill foreign material by producing antibodies
(3) nucleus is bilobed
(4) secrete serotonin and histamine
Answer: 1
18. Cardio autonomic regulatory system is present in:-
(1) left ventricle
(2) inner to myocardial muscles
(3) medulla oblongata
(4) in arteries
Answer: 3
19. Which of the following WBCs are phagocytic cells.
(a) Monocytes
(b) Neutrophils
(c) Basophils
(d) Eosinophils
(1) Only (a)
(2) (a) and (b)
(3) (a) and (c)
(4) (c) and (d)
Answer: 2
20. Erythropoiesis only occurs in:-
(1) Erythroblast
(2) Myeloid tissue
(3) Proerythroblast
(4) Reticulocyte
Answer: 2
21. Which type of white blood cells are concerned with the release of histamine and the natural anticoagulant heparin?
(1) Eosinophils
(2) Monocytes
(3) Neutrophils
(4) Basophils
Answer: 4
22. In humans, blood passes from the post caval to the diastolic right atrium of the heart due to:-
(1) stimulation of the sino auricular node
(2) pressure difference between the post caval and atrium
(3) pushing open the venous valves
(4) suction pull
Answer: 2
23. The most active phagocytic white blood cells are:-
(1) Eosinophils and lymphocytes
(2) Neutrophils and monocytes
(3) Neutrophils and eosinophils
(4) Lymphocytes and macrophages
Answer: 2
24. The most popularly known blood grouping is the ABO grouping. It is named ABO and not ABC, because "O" in it refers to having:-
(1) No antigens A and B on RBCs
(2) Other antigens besides A and B on RBCs
(3) Overdominance of this type on the genes for A and B types
(4) One antibody only - either anti–A or anti–B on the RBCs
Answer: 1
25. The letter T in T-lymphocyte refers to:-
(1) Thymus
(2) Thyroid
(3) Thalamus
(4) Tonsil
Answer: 1
26. Compared to blood our lymph has:-
(1) More RBCs and fewer WBCs
(2) No plasma
(3) Plasma without proteins
(4) More WBCs and no RBCs
Answer: 4
27. The opening between the right atrium and the right ventricle is guarded by which valve?
(1) bicuspid valve
(2) tricuspid valve
(3) mitral valve
(4) semilunar valve
Answer: 2
28. Vasoconstriction causes
(1) Increase in a heartbeat
(2) Decrease in a heartbeat
(3) Increase in blood pressure
(4) Decrease in blood pressure
Answer: 3
29. The heart keeps on beating throughout life without fatigue because :
(1) In contracts slowly
(2) It has a resting or recovery period
(3) It can use lactic acid as an extra source of energy
(4) None of the above
Answer: 2
30. Which of the following is first to receive lymphatic duct from legs :
(1) Left subclavian vein
(2) Right subclavian vein
(3) Right lymphatic duct
(4) Thoracic lymphatic duct
Answer: 4
31. Erythroblastosis fetal can be avoided by administering................to the mother immediately after the delivery of the first child:-
(1) Vitamines
(2) Antibiotics
(3) Anti-Rh antibodies
(4) Rh-antigen
Answer: 3
32. Read the following (A - D) Statements:-
(A) Plasma is a straw-colored, viscous fluid constituting 55 percent of the blood.
(B) 90-92 percent of plasma is water and proteins contribute 6-8 percent of it
(C) Globulins are needed for clotting or coagulation of Blood
(D) Fibrinogens are primarily involved in the defense mechanism of the body.
How many of the above statements are correct:
(1) Four
(2) Three
(3) Two
(4) One
Answer: 3
33. During high blood pressure, regulations of heartbeat and circulation are controlled by
(1) Vasodilator and vasconstrictor centres
(2) Cardio-stimulatory and vasoconstrictor centers
(3) Cardio-inhibitory and vasoconstrictor centers
(4) Cardio-inhibitory and vasodilator centers.
Answer: 4
34. Which of the following statement is true for Lymph
(1) WBC and serum
(2) All components of blood except RBCs, Platelets, and some proteins
(3) RBCs, WBCs and Plasma
(4) RBCs, Proteins, and Platelets
Answer: 2
35. Diapedesis is:-
(1) A type of amoeboid movement shown by RBC
(2) Movement of some WBC to tissue through the wall of blood capillary to destroy harmful bacteria
(3) A type of movement in hydra
(4) Filtration process of urea in kidney
Answer: 2
36. After the death of humans:-
(1) Both veins and arteries are full of blood
(2) Both veins & arteries are empty
(3) Arteries are full of blood while veins are empty
(4) Veins are full of blood while arteries are empty
Answer: 4
37. Heart has to pump blood more forcefully in older persons due to
(1) Increased elasticity of arteries
(2) Decreased elasticity of arteries
(3) Decreased efficiency of the heart
(4) Increased efficiency of the heart
Answer: 2
38. To study blood circulation in rats, capillaries are observed in
(1) Mesentery
(2) Kidney
(3) Liver
(4) Lung
Answer: 1
39. Which of the following should be avoided in biological marriages?
(1) A+ boy and A+ girl
(2) A+ boy and A– girl
(3) O+ boy and O+ girl
(4) O– a boy and O+ girl
Answer: 2
40. After examining the blood group of husband and wife, the doctor advised them not to have more than one child. The blood groups of the couple are likely to be :
(1) Male Rh– and female Rh+
(2) Female Rh– and male Rh+
(3) Male Rh+ and female Rh+
(4) Male Rh– and female Rh–
Answer: 2
41. Blood colloidal osmotic pressure is maintained by
(1) Albumin
(2) Globulin
(3) Fibrinogen
(4) Thrombin
Answer: 1
42. Which one of the following is agranulocyte?
(1) Neutrophil
(2) Eosinophil
(3) Basophil
(4) Monocyte
Answer: 4
43. During the process of blood coagulation vitamin K helps in the :
(1) Formation of thromboplastin
(2) Formation of prothrombin
(3) Conversion of prothrombin to thrombin
(4) Conversion of fibrinogen to fibrin
Answer: 2
44. In mature RBC, the nucleus is present in :
(1) Amphibians
(2) Mammals
(3) Both 1 and 2
(4) Neither in frogs nor in mammals
Answer: 1
45. ABO blood group system is given by :
(1) Landsteiner
(2) Wallace
(3) De Vries
(4) Lamarck
Answer: 1
46. Which of the following, does not help in the clotting of blood?
(1) Heparin
(2) Prothrombin
(3) Ca2+
(4) Exposure to O2
Answer: 1
47. Haematocrit value gives :
(1) Amount of RBC in blood
(2) Number of WBC in blood
(3) Amount of plasma in blood
(4) Haemoglobin concentration in blood
Answer: 1
48. Which one of the following couples were suggested by Doctors to not have more than one child
(1) Rh+ male and Rh– female
(2) Rh– male and Rh + female
(3) Rh+ male and Rh+ female
(4) Rh– male and Rh– female
Answer: 1