NEET Biology Body Fluids and Circulation MCQs Set C

Question: During high blood pressure, regulations of heart beat and circulation are controlled by

• a) Vasodilator and vasoconstrictor centres.
• b) Cardio-stimulatory and vasoconstrictor centres
• c) Cardio-inhibitory and vasoconstrictor centres
• d) Cardio - inhibitory and vasodilator centres

Answer: Cardio-inhibitory and vasoconstrictor centres

Question: Purkinje fibres are connected with impulse conducting system of

• a) Heart
• b) Brain
• c) Skin
• d) Kidney nephron

Answer: Heart

Question: Which one are granulocytes...

• a) Neutrophils, basophils, lymphocytes
• b) Eosinophils, basophils, monocytes
• c) Basophils, monocytes, lymphocytes
• d) Neutrophils, Eosinophils, basophils

Answer: Neutrophils, Eosinophils, basophils

Question: Thoracic duct is associated with

• a) Purkinje fibres
• b) Hepatic duct
• c) Innominate vein
• d) Aorta

Answer: Innominate vein

Question: Purkinje fibres are present in

• a) Heart
• b) Cerebrum
• c) Semicircular canals
• d) Voluntary muscles

Answer: Heart

Question: Bundle of His is a network of

• a) Muscle fibres distributed throughout heart walls
• b) Muscle fibres found only in ventricle wall
• c) Nerve fibres distributed in ventricles
• d) Nerve fibres found throughout the heart

Answer: Muscle fibres found only in ventricle wall

Question: Pulmonary artery drains deoxygenated blood from

• a) Right ventricle
• b) Right atrium
• c) Left atrium
• d) Left ventricle

Answer: Right ventricle

Question: Abnormal rise in erythrocyte count is

• a) Leucopenia
• b) Polycythemia
• c) Anaemia
• d) Pneumonia

Answer: Polycythemia

Question: Oedema is due to

• a) Increased permeability of capillary walls
• b) Reduced return of lymph
• c) Increased capillary pressure
• d) All the above

Answer: Reduced return of lymph

Question: If husband has blood group O and wife blood group AB, the blood group of the child cannot be

• a) A
• b) B
• c) AB
• d) O or AB

Answer: O or AB

Question: Normal pulse pressure is

• a) 80 mmHg
• b) 120 mmHg
• c) 40 mgHg
• d) 320 mmHg

Answer: 40 mgHg

Question: kidney-shaped nucleus occurs in

• a) Neutrophil
• b) Eosinophil
• c) Monocyte
• d) Lymphocyte

Answer: Monocyte

Question: Serum is

• a) Blood minus fibrinogen
• b) Lymph minus corpuscles
• c) Lymph
• d) Blood minus corpuscles and fibrinogen

Answer: Blood minus corpuscles and fibrinogen

Question: Amount of blood received by brain every minute is

• a) 2500 ml
• b) 1000 ml
• c) 750 ml
• d) 450 ml

Answer: 750 ml

Question: Which one is not a WBC?

• a) Lymphocyte
• b) Thrombocyte
• c) Monocyte
• d) Basophil

Answer: Thrombocyte

Question: Mark the correct match

• a) Malleus - Anvil
• b) SA node - Pacemaker
• c) Laucocytes - Lymphocytes
• d) Haemophilia - Blood cancer

Answer: SA node - Pacemaker

Question: Person with AB blood group can .

• a) Not receive universally
• b) Universally donate
• c) Universally receive
• d) Received only from O

Answer: Universally receive

Question: Blood vessel of a diaphragm is called

• a) Coronary
• b) Cardiac
• c) Phrenic
• d) Pulmonary

Answer: Phrenic

Question: Which one of the following substances, if introduced in blood stream would cause coagulation of blood at the site of its introduction?

• a) Prothrombin
• b) Fibrinogen
• c) Thromboplastin
• d) Heparin

Answer: Thromboplastin

Question: Diapedesis is

• a) Bursting of WBC
• b) Production of pus
• c) Production of WBC
• d) Passage of WBC out of blood capillaries to the site of injury

Answer: Passage of WBC out of blood capillaries to the site of injury

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

Question: Heparin present normally in blood is formed by

• a) Agranulocytes
• b) Clumped platelets
• c) Mast cell granules
• d) Monocytes

Answer: Mast cell granules

Question: What makes the lymph fluid move through the body?

• a) Gravity and skeletal muscle contractions
• b) Muscle contractions and gravity
• c) Pressure changes caused by breathing and gravity
• d) Muscle contractions and pressure changes caused by breathing

Answer: Muscle contractions and pressure changes caused by breathing

Question: Organs functioning as modulator and effector for homeostatic control of blood sugar are respectively

• a) Liver and islets of Langerhans
• b) Islets of Langerhans and hypothalamus
• c) Hypothalamus and islets of Langerhans
• d) Hypothalamus and liver

Answer: Liver and islets of Langerhans

Question: Right aortic arch is found in

• a) Mammals
• b) Birds
• c) Mammals and birds
• d) Reptiles

Answer: Birds

Question: A person with blood group A requires blood. The blood group which can be given is

• a) A and B
• b) A and AB
• c) A and O
• d) A, B, AB and O

Answer: A and O

Question: What happens when the pacemaker becomes non-functional?

• a) Only auricles contract rhythmically
• b) Only ventricles contracts rhythmically
• c) Cardiac muscles do not undergo coordinated rhythmic movements
• d) Cardiac muscles contract in coordinated manner rhythmically

Answer: Cardiac muscles do not undergo coordinated rhythmic movements

Question: In ECG, what does T wave represent

• a) Diastole of auricles
• b) Diastole of ventricles
• c) Systole of ventricles
• d) Diastole of auricles and/ repolarisation of ventricles

Answer: Diastole of auricles and/ repolarisation of ventricles

Question: Platelets are given in case of

• a) Anaemia
• b) Polycythemia
• c) Thrombocytopenia
• d) Leukemia

Answer: Thrombocytopenia

Question: Largest internal vein from alimentary canal to liver is

• a) Aorta
• b) Hepatic artery
• c) Hepatic vein
• d) Hepatic portal vein

Answer: Hepatic portal vein

Question: In uraemia there is

• a) Increasing urine output
• b) Increased urea in blood
• c) Increased serum cholesterol
• d) Increased blood sugar

Answer: Increased urea in blood

Question: During blood clotting, the factor which is activated first is

• a) Factor I
• b) Factor VII
• c) Factor IX
• d) Factor XII

Answer: Factor VII

Question: Match the column 

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

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

Question: Pulmonary artery develops from

• a) Aorta
• b) Renal artery
• c) Coronary artery
• d) Pulmonary artery

Answer: Pulmonary artery

Question: Chances of erythroblastosisfetalis occurring during second pregnancy when the baby is

• a) Rh+ and mother Rh-
• b) Rh+ and mother Rh+
• c) Rh- and mother Rh+
• d) Rh- and mother Rh-

Answer: Rh+ and mother Rh-

Question: Universal recipient blood group is

• a) A
• b) AB
• c) B
• d) O

Answer: AB

Question: A correct systemic circulation pathway is

• a) Right auricle → Left ventricle → Aorta → Tissues → Veins
• b) Right ventricle→ Pulmonary aorta → Tissues → Pulmonary vein → Left auricle
• c) Left auricle → Left ventricle → Aorta → Arteries → Tissues → Veins → Right atrium
• d) Left auricle → Left ventricle → Pulmonary aorta → Tissues → Right auricle

Answer: Left auricle → Left ventricle → Aorta → Arteries → Tissues → Veins → Right atrium

Question: First sound recorded in sphygmomano-meter indicates

• a) Systolic pressure
• b) Diastolic pressure
• c) Lubb
• d) Dup

Answer: Systolic pressure

Question: Battery of artificial pacemaker is built of

• a) Nickel
• b) Lithium
• c) Photosensitive material
• d) Dry cadmium

Answer: Lithium

Question: Anaemia is due to deficiency of

• a) Ca
• b) Fe
• c) Mg
• d) P

Answer: Fe

Question: Normal glucose level of blood is

• a) 10 gm/litre (1%)
• b) 1 gm/litre (0.1%)
• c) 100 gm/litre (10%)
• d) 0.1 gm/litre (0.01%)

Answer: 1 gm/litre (0.1%)

Question: Most probable cause of heart attack is

• a) Vasomotion
• b) Systolic pressure of 120 mmHg
• c) Arteriosclerosis
• d) High level of HDL

Answer: Arteriosclerosis

Question: Fully mature human RBC has

• a) A nucleus
• b) No nucleus
• c) Nucleus may or may not be present
• d) None of the above

Answer: No nucleus

Question: A portion of cardiovascular system that transport oxygen depleted blood from the heart to the lungs brings oxygenated blood back to heart is

• a) Pulmonary circulation
• b) Coronary circulation
• c) Systemic circulation
• d) Single circulatory system

Answer: Pulmonary circulation

Question: If due to some injury, chordae tendineae of tricuspid valve of the heart, are partially non functional, what will be the immediate effect

• a) The 'Pace-maker' will stop working
• b) Blood will tend to flow back into left atrium
• c) Flow of blood into pulmonary artery will be reduced
• d) between the right atrium and the right ventricle.

Answer: Flow of blood into pulmonary artery will be reduced

Question: Fastest distribution of some injectable material/ medicine and with no risk of any kind can be achieved by injecting into

• a) Artery
• b) Vein
• c) Muscle
• d) Lymph vessel

Answer: Vein

Question: Foramen ovale

• a) Connects the two atria in the foetal heart
• b) Connects pulmonary trunk and aorta in foetus
• c) Is condition in which heart valve do not completely close
• d) Is a shallow depression in the interventricular septum

Answer: Connects the two atria in the foetal heart

Question: Which is incorrect

• a) Blood group 'O' RBCs have both A and B antigens
• b) Eosinophils resist infections and take part in allergic reactions
• c) RBCs contain carbonic anhydrase
• d) T-wave of ECG represents end of ventricular depolarisation

Answer: Blood group 'O' RBCs have both A and B antigens

Question: Erythropoiesis is assisted by

• a) Mg²⁺
• b) Ca²⁺
• c) Cu²⁺
• d) Fe²⁺

Answer: Fe²⁺

Question: Choose the correct statement

• a) T-wave in ECG represents excitation of ventricles
• b) Sum of P and T wave can determine heart beat rate
• c) End of P-wave marks end of systole
• d) In standard ECG, a person is connected to machine with three electrical leads

Answer: In standard ECG, a person is connected to machine with three electrical leads

Question: RBC placed in distilled water will

• a) Burst
• b) Shrink
• c) Stick to one another
• d) Divide

Answer: Burst

Question: Donor X and recipient Y belong to same blood group. transfusion has led to RBS agglutination because

• a) X is Rh⁺, Y is Rh^- 
• b) X is Rh^-, Y is Rh⁺
• c) Both are Rh⁺
• d) Both are Rh^-

Answer:  X is Rh⁺, Y is Rh^- 

Question: The problem of electrical discontinuity due to connective tissue separating atria from ventricles is solved by connecting through

• a) vagus nerve
• b) Ectopic pacemaker
• c) AV node
• d) Bundle of His

Answer: Bundle of His

Question: Blood group B means the person

• a) Canform antibody for B
• b) Cannot form antibody for B
• c) Cannot receive blood group O
• d) both b and c

Answer: Cannot form antibody for B

Question: Rh factor occurs in

• a) All reptiles
• b) Man and Rhesus Monkey
• c) All mammals
• d) All vertebrates

Answer: Man and Rhesus Monkey

Question: Which of the following genotypes have blood group B?

• a) A/B, +/ +
• b) A/A, +/A
• c) +/+, B/B, +/B
• d) BB, +/B

Answer: BB, +/B

Question: Hypotension may not be due to

• a) Loss of fluid
• b) Loss of blood
• c) Endocrine disorder
• d) Excessive fluid intake

Answer: Excessive fluid intake

Question: Which is false?

• a) RBCs are also called leucocytes
• b) White blood corpuscles are part of body's defence mechanism
• c) Platelets are also called thrombocytes d)
• d) Oxygen is carried in blood after combining with haemoglobin

Answer: RBCs are also called leucocytes

Question: ECG is employed for study of

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

Answer: Heart problems

Question: The one devoid of muscular coat is

• a) Vein
• b) Artery
• c) Arteriole
• d) Capillary

Answer: Capillary

Question: Child death may occur in the marriage of

• a) Rh+ man and Rh+ woman
• b) Rh+ man and Rh- woman
• c) Rh- man and Rh+ woman
• d) Rh- man and Rh+ woman

Answer: Rh+ man and Rh- woman