NTSE Biology Transportation Of Animals MCQs

Question: Full form of ECG is.

• a) Electrochlorogram
• b) Electroencephalograph
• c) Electrocardiograph
• d) Electrochlorograph

Answer: Electrocardiograph

Question: Which step in blood clotting will not occur in absence of vitamin K ?

• a) Conversion of fibrinogen to fibrin
• b) Conversion of prothrombin to thrombin
• c) Synthesis of thromboplastin
• d) Synthesis of prothrombin

Answer: Synthesis of prothrombin

Question: At high altitude, RBCs of human blood will

• a) Increase in number
• b) Decrease in size
• c) Decrease in number
• d) Increase in side

Answer: Increase in number

Question: Clumping of RBC may occur when blood of one person is mixed with serum or blood of another person. This is due to

• a) Antigen - antibody reaction
• b) Antitoxin - antibody reaction
• c) Degeneration disease
• d) Deficiency disease

Answer: Antigen - antibody reaction

Question: Heart disease is a/an

• a) Infectious disease
• b) Communicable disease
• c) Degeneration disease
• d) Deficiency disease

Answer: Degeneration disease

Question: The first heart sound is produced when :

• a) Intraventricular pressure decreases
• b) Semulunar valve snaps shut
• c) Bicuspid and tricuspid valve close quickly
• d) Diastole beings

Answer: Bicuspid and tricuspid valve close quickly

Question: Oxygenated blood from lungs in carried to the heart by

• a) Pulmonary artery
• b) Pulmonary vein
• c) Coronary vein
• d) Pre-cavals

Answer: Pulmonary vein

Question: The process of respiration is concerned with

• a) Intake of O2  
• b) liberation of O2 
• c) liberation of CO2  
• d) liberation of energy

Answer: liberation of energy

Question: Oxygen is transported in vertebrates as

• a) Dissolved in plasma
• b) Complex with haemoglobin
• c) Dissolved in cytoplasm of erythrocytes
• d) Absorbed over the RBC

Answer: Complex with haemoglobin

Question: Volume of air breathed in and out during effortless respiration is

• a) Residual volume
• b) Vital volume
• c) Tidal volume
• d) Normal volume

Answer: Tidal volume

Question: Lymph is without

• a) Leucocytes
• b) Plasma
• c) Erythrocytes
• d) None of these above

Answer: Erythrocytes

Question: Thromboplastin is produced by

• a) Damaged tissues
• b) Blood platelets
• c) Both blood platelets and damaged tissues
• d) RBCs

Answer: Both blood platelets and damaged tissues

Question: A person with antigen ‘B’ in RBC and antibody ‘a’ in the plasma belongs to the blood group

• a) A
• b) B
• c) AB
• d) O

Answer: B

Question: The name of disease connected with Rh factor is

• a) Hemoglobin
• b) Erythropoiesis
• c) Myxoedema
• d) Erythroblastosis

Answer: Erythroblastosis

Question: Pacemaker is

• a) Instrument for measuring heat beat
• b) Instrument for measuring pulse rate
• c) Auriculo-ventricular node that provides impulse for heart beat
• d) Sinu-auricular node that provides impulse for heart beat

Answer: Sinu-auricular node that provides impulse for heart beat