NEET Biology Body Fluids and Circulation MCQs Set I

Question: For analysis, the blood drawn from a patient will not be placed in a tube having .

• a) Sodium oxalate
• b) Heparin
• c) Calcium bicarbonate
• d) Been chilled

Answer: Calcium bicarbonate

Question: Which one is not a blood group .

• a) ABO and Rh
• b) Rh and MN
• c) Buffs and Kips
• d) Lewis and Duffy

Answer: Buffs and Kips

Question: Mitral valve is also called .

• a) Tricuspid valve
• b) Semilunar valve
• c) Bicuspid valve
• d) None of the above

Answer: Bicuspid valve

Question: English physician who discovered blood circulation was .

• a) J.C. Bose
• b) A. Vesalius
• c) William Harvey
• d) H.G.Khurana

Answer: William Harvey

Question: ' Heart of heart' is

• a) SA node
• b) AV node
• c) Bundle of His
• d) Purkinje fibres

Answer: SA node

Question: mammalian erythrocytes have short life span due to absence of .

• a) Endoplasmic reticulum
• b) Mitochondria
• c) Nucleus
• d) Golgi complex

Answer: Nucleus

Question: Which one the first to receive lymphatic duct from lungs..

• a) Right lymphatic duct
• b) Thoracic lymphatic duct
• c) Left subclavian vein
• d) Right subclavian vein

Answer: Thoracic lymphatic duct

Question: Haemoglobin first appears during development of RBC in ..

• a) Reticulocyte
• b) Early normoblasts
• c) Intermediate normoblasts
• d) Late normoblasts

Answer: Intermediate normoblasts

Question: Cell fragments of megakaryocytes yield ..

• a) Erythrocytes
• b) Granulocytes
• c) Agranulocytes
• d) Blood platelets

Answer: Blood platelets

Question: Find the correct explanations about blood not clotting inside the vessels 1.Speedy flow prevents accumulation of fibrin threads if formed. 2. Absence of anticoagulant heparin having antithrombin activity. 3. Smoothness of endothelial lining preventing rupturing of platelets and formation of thromboplastin. 4. Presence of a layer of negatively charged protein over the inner surface of endothelium that attracts clotting factors.

• a) 1, 2, 3 correct
• b) 1, 2 correct
• c) 2, 4 correct
• d) 1, 3 correct

Answer: 1, 3 correct

Question: Oval depression or fossa is observed over .

• a) Inter-atrial septum
• b) Interventricular septum
• c) Right auriculo - ventricular septum
• d) Left auriculoventricular septum

Answer: Inter-atrial septum

Question: A man with blood group A marries AB blood group woman. Which type of progeny indicate that the man is not homozygous?

• a) AB
• b) B
• c) A
• d) O

Answer: B

More Questions....................................

Question: Neurogenic heart is characteristic of ..

• a) Humans
• b) Lower invertebrates
• c) Rat
• d) Rabbit

Answer: Lower invertebrates

Question: Which layer of the following serves the dual purpose of forming the inner layer of the pericardium and forming the outermost wall of the heart?

• a) Fibrous pericardium
• b) Parietal pericardium
• c) Visceral pericardium
• d) Myocardium

Answer: Visceral pericardium

Question: Artery supplying blood to pericardium is .

• a) Brachial artery
• b) Vertebral artery
• c) Coronary artery
• d) Internal mammary artery

Answer: Internal mammary artery

Question: If heart sound recording and ECG are superimposed, the first heart sound would occur

• a) At P-wave
• b) Just after P-wave
• c) Just before QRS complex
• d) Just after QRS complex

Answer: Just after QRS complex

Question: What is true ..

• a) All arteries carry oxygenated blood
• b) All veins carry oxygenated blood
• c) All veins carry oxygenated blood except one
• d) All arteries carry oxygenated blood except one

Answer: All arteries carry oxygenated blood except one

Question:   Number of RBC/mm³ in healthy female is .

• a) 4.5 - 5.0 million
• b) 5.5 - 6.0 million
• c) 3.5 - 4.0 million
• d) 6.5 - 7.0 million

Answer: 4.5 - 5.0 million

Question: Which one regulate heart beat? .

• a) Purkinje fibres
• b) Cardiac branch of vagus nerve
• c) SA node
• d) AV node

Answer: Cardiac branch of vagus nerve

Question: Vitamin K is required for .

• a) Blood clotting
• b) Respiration
• c) Carbohydrate metabolism
• d) Calcium phosphorus metabolism

Answer: Blood clotting

Question:  Problem related to Rh factor arises when Rh⁺ and Rh^- blood mix up .

• a) In test tube
• b) Through transfusion
• c) Through pregnancy
• d) Both A and B

Answer: Through transfusion

Question: ECG is employed for study of .

• a) Lung ailments
• b) Brain defects
• c) Heart problems
• d) Kidney defects

Answer: Brain defects

Question: Artery is a vessel that carries blood .

• a) Towards the heart
• b) Away from heart
• c) Away from tissue
• d) Towards the liver

Answer: Away from heart

Question: Rh -ve person donated blood to Rh +ve person for second time. Then ..

• a) Rh –ve blood starts reacting to Rh - Ve blood
• b) Rh +ve person will die
• c) Rh -ve person will die
• d) Nothing happens to Rh-ve person

Answer: Nothing happens to Rh-ve person

Question: Important function of lymph is

• a) transport oxygen to brain
• b) Transport CO₂ to lungs
• c) Return RBCs to lymph nodes
• d) Return interstitial fluid to blood

Answer: Return interstitial fluid to blood

Question: In extrinsic clotting pathway, which of the following factors gets activated ..

• a) X and XI
• b) III and VII
• c) IX and XI
• d) XI and XII

Answer: III and VII

Question: Second heart sound is associated with the .

• a) Lub - closure of semilunar valves
• b) Lub - closure of tricuspid and bicuspid valves
• c) Dupp - closure of tricuspid and bicuspid valves
• d) Dupp - closure of semilunar valves

Answer: Dupp - closure of semilunar valves

Question: In a typical heart, if EDV is 120ml and ESV is 50ml, the stroke volume (SV) is ..

• a) 120 -50 = 70 ml
• b) 120 × 50 = 6000 ml
• c) 120 + 50 = 170 ml
• d) 120/50 = 2.4 ml

Answer: 120 -50 = 70 ml

Question: Heart wall is made of .

• a) Myocardium
• b) Epicardium
• c) Endocardium
• d) All the above

Answer: All the above

Question: blood vessel that supplies oxygenated blood to cardiac tissue is .

• a) Coronary sinus
• b) Coronary vein
• c) Coronary artery
• d) Pulmonary artery

Answer: Coronary artery

Question: Lymph is colorless because

• a) WBC are absent
• b) WBC are present
• c) Haemoglobin is absent
• d) RBC are absent

Answer: RBC are absent

Question: QRS complex of a standard ECG represents ..

• a) Excitation or depolaristaion of atria
• b) Depolarisation of ventricles
• c) Repolarisation of ventricles
• d) None of the above

Answer: Depolarisation of ventricles

Question: Mitral/ Bicuspid valve connects .

• a) Left atrium and left ventricle
• b) Left atrium and right ventricle
• c) Right atrium and left ventricle
• d) Right atrium and right ventricle

Answer: Left atrium and left ventricle

Question: Find the correct descending order of percentage proportion of leucocytes in human blood..

• a) Neutrophils → Basophils → Lymphocytes →Acidophils→ Monocytes 
• b) Neutrophils → Monocytes → Lymphocytes →Acidophils→ Basophils
• c) Neutrophils → Lymphocytes → Monocytes →Acidophils→ Basophils 
• d) Neutrophils →Acidophils→ Basophils → Lymphocytes → Monocytes

Answer:  Neutrophils → Lymphocytes → Monocytes →Acidophils→ Basophils 

Question: The life of the erythrocytes in mammalian blood is about .

• a) 120 days
• b) 150 days
• c) 190 days
• d) 180 days

Answer: 120 days

Question: Chordae tendineae are found in ..

• a) Atria of heart
• b) Ventricles of heart
• c) Joints of legs
• d) Ventricles of brain

Answer: Ventricles of heart

Question: Systole causes ..

• a) Entry of blood into lungs
• b) Entry of blood into heart
• c) Exit of blood from heart
• d) Exit of blood from ventricles

Answer: Exit of blood from ventricles

Question: Heart beat is heard on left side as .

• a) Aorta is on left side
• b) Heart is on left side
• c) Ventricles are on left side
• d) Left ventricle is on left side

Answer: Ventricles are on left side

Question: Identify correctly matched pairs 1. Uremia - excessive amount of urea in blood 2. Hyperglycemia - Excess glucose in blood 3. Absence of factor VII - haemophilia 4. X-linked disorder - Glycosuria .

• a) 1, 2, 3 correct
• b) 1, 2 correct
• c) 2, 4 correct
• d) 1, 3 correct

Answer: 1, 2, 3 correct

Question: Which one is the common anticoagulant used for preserving blood ?

• a) Sodium hydroxide
• b) Sodium chloride
• c) Sodium oxalate
• d) Sodium bicarbonate

Answer: Sodium oxalate

Question: First heart transplant was performed by

• a) William Harvey
• b) Watson
• c) Christian Barnald
• d) Khorana

Answer: Christian Barnald

Question: Ridges present in the ventricles are

• a) Columnae carneae
• b) Papillary muscles
• c) Chordae tendineae
• d) Musculipectinati

Answer: Columnae carneae

Question: Cells formed in bone marrow include ..

• a) RBC
• b) RBC and leucocytes
• c) Leucocytes
• d) Lymphocytes

Answer: RBC and leucocytes

Question: Blood enters heart when muscles of .

• a) Atria contract
• b) Ventricles contract
• c) Atria relax
• d) Ventricles relax

Answer: Atria relax

Question: The lymph differ from blood in having .

• a) More RBC less WBC
• b) Less RBC more WBC
• c) No RBC less WBC
• d) No RBC more WBC

Answer: No RBC less WBC

Question: Which leucocytes secrete both heparin and histamine?

• a) Acidophils
• b) Monocytes
• c) Basophils
• d) Neutrophils

Answer: Basophils

Question: lymphocytes of lower vertebrates are produced in .

• a) Liver
• b) Spleen
• c) Bone marrow
• d) Vertebrae

Answer: Liver

Question: Which one secretes anticoagulant? .

• a) Mast cells
• b) Nerve cells
• c) Adipose cells
• d) Plasma cells

Answer: Mast cells

Question: Blood of which of the following is colourless .

• a) Earthworm
• b) Cockroach
• c) Leech
• d) Frog

Answer: Cockroach

Question: Purkinje fibres arise from .

• a) Apex of ventricles
• b) Middle of ventricles
• c) Anterior part of auricles
• d) Posterior part of auricles

Answer: Middle of ventricles

Question: Enteroheptic circulation is related to ..

• a) Bile ducts
• b) Bile pigments
• c) Cholesterol
• d) Cholecystokinin

Answer: Bile pigments

Question: Erythrocyte maturing factor is ..

• a) Folic acid
• b) Cyanocobalamin
• c) Vitamin B2
• d) Vitamin C

Answer: Folic acid

Question: Carotid artery carries ..

• a) Impure blood to brain
• b) Oxygenated blood to brain
• c) Impure blood to kidneys
• d) Oxygenated blood to heart

Answer: Oxygenated blood to brain

Question: In human beings duration of cardiac cycle is .

• a) 0.08 second
• b) 0.8 second
• c) 0.5 second
• d) 8.0 second

Answer: 0.8 second

Question: A person with blood group AB is .

• a) Homozygous
• b) Hemizygous
• c) Heterozygous
• d) Allelomorph

Answer: Heterozygous

Question: Match the columns

• a) a - r , b - s, c- q, d - p
• b) a - s , b - r, c- q, d - p
• c) a - q , b - p, c- s, d - r
• d) a - p , b - q, c- r, d - s

Answer: a - q , b - p, c- s, d - r

Question: Formation of blood corpuscles is known as ...

• a) Haemolysis
• b) Rouleaux
• c) Hematopoiesis
• d) Phagocytosis

Answer: Hematopoiesis

Question: Absolute refractory period of heart is during .

• a) Contraction when the heart is in non-responding period
• b) Expansion
• c) Negative charge
• d) Positive charge

Answer: Contraction when the heart is in non-responding period

Question: Wall of blood capillary is formed of .

• a) Haemocyte
• b) Parietal cells
• c) Endothelial cells
• d) Oxyntic cells

Answer: Endothelial cells

Question: Blood platelets produce .

• a) Fibrinogen
• b) Thromboplastin
• c) Haemoglobin
• d) Calcium

Answer: Thromboplastin