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This set of Biology Multiple Choice Questions & Answers (MCQs) focuses on Body fluids and Circulation Set 1
Q1 | It decreasing the carrying of oxygen of Haemoglobin
- Oxygen
- Carbon dioxide
- Carbon monoxide
- Nitrogen
Q2 | Number of leucocytes is 1 cubic mm
- 5000 - 8000
- 2000 - 3000
- 8000 - 13000
- 1 - 5 million
Q3 | It shows pulmonary circulation :
- Left atrium (Oxygenated blood) - Lungs (deoxygenated blood ) - Right atrium
- Left atrium (deoxygenated blood ) - Lungs (oxygenated blood ) - Right atrium
- Left atrium (Oxygenated blood )- Lungs (deoxygenated blood )- Left atrium
- Right atrium (deoxygenated blood) - Lungs (oxygenated blood) - Left atrium
Q4 | Systolic pressure of heart
- 80 mm Hg
- 120 mm Hg
- 40 mm Hg
- 320 mm Hg
Q5 | SA - Node is located at
- Left upper corner of the left atrium
- Left lower corner of the left atrium
- Right upper corner of the right atrium
- Righr lower corner of the right atrium
Q6 | Pathway of myogenic impulse conduction is
- SAN - AVN - Bundle of His - Purkinje fibers
- SAN - AVN - Punkinje fibers - Bundle of His
- AVN - SAN - Bundle of His - Purkinje fibers
- AVN - Bundle of His - SAN - Pukinje fibers
Q7 | In disease erythroblastosis foetalis
- Destroy the baby’s WBCs
- A baby suffering from atherosclerosis
- Destroy the baby’s RBCs
- An increasing in the number of RBCs
Q8 | A person having both antigen A and antigen B on the surface of RBCs :
- That person donot possess antibody in serum
- He can donate the blood to only having AB blood group
- He is universal recipient
- All the above
Q9 | responsible factor XI of blood clotting is
- Antiheamophilic globulin
- Plasma thromboplasin antecedent
- Fibrin stabilizing
- Hageman factor
Q10 | It is an important method for checking the health related problems of the heart.
- Xray
- ECG
- ELISA
- CBC
Q11 | Blood group is due to
- Specific antigen on the surface of WBC
- Specific antibodies on the surface of RBC
- Specific antigen of the surface of RBC
- Type of haemoglobin in blood
Q12 | Leucopenia is the condition where
- Leuocytes decrease below 5000 per cubic mm of blood
- Bone marrow is destroyed
- Total number of lymphocytes decrease from 2 % to 5 %
- Leucocytes increase above 6000 per cubic mm
Q13 | Carbonic anhydrase enzyme present in
- WBC
- RBC
- Blood plasma
- Platelets
Q14 | The coagulation of blood occurs due to
- Destruction of RBC
- Destruction of WBC
- Destruction of lymph
- Destruction of blood platelets
Q15 | The valve present at the left auriculo - ventricular aperture is
- Tricuspid valve
- Semilunar valve
- Mitral valve
- Eustrachian valve
Q16 | Heart beat is
- Induced by hormones
- Voluntary process
- Dependent upon the stimulation by nerve complex
- Auto inducing
Q17 | At the time of auriculo ventricular valve shut, the sound is
- Lubb
- Dubb
- Lubb - dubb
- Dhak - Dhak
Q18 | The systole is
- The relaxation of auricles
- The relaxation of ventricles
- Relaxation of chambers of heat
- Contraction of heart chambers
Q19 | Blood plasma is
- Acidic
- Basic
- Neutral
- Variable
Q20 | A clot of blood contains
- Fibrinogen
- Prothrombin
- Thrombin
- Fibrin
Q21 | Which one of the common anticoagulant is used for preserving blood ?
- Sodium hydroxide
- Sodium chloride
- Sodium oxalate
- Sodium bicarbonate
Q22 | Arteries carry oxygenated blood except
- Pulmonary
- Cardiac
- Hepatic
- Systemic
Q23 | Increase in number of leucocytes beyond normal indicates
- Anemia
- Infection
- Increased defense against pathogen
- Non formation of RBC
Q24 | Largest number of white blood corpuscles are
- Eosinophils
- Basophils
- Neutrophils
- Monocytes
Q25 | Blood is red but RBC are absent in
- Frog
- Man
- Rabbit
- Earthworm