11. Pain in heart muscle is

A Angina cardius
B Angina pericardius
C Angina pectoris
D Transcriptase
Answer :   Angina pectoris
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12. Arteries carry oxygenated blood except

A Pulmonary
B Cardiac
C Hepatic
D Systemic
Answer :   Pulmonary
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13. Which one of the following has an open circulatory system ?

A Periplaneta
B Hirudinaria
C Octopus
D Pheretima
Answer :   Periplaneta
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14. Iron in Hb is in

A Ferric form
B Ferrous form
C A and B both
D Free
Answer :   Ferrous form
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15. Which of the following vessel in rabbit starts with capillaries and ends in capillaries

A Pulmonary artery
B Renal vein
C Hepatic portal vein
D Renal artery
Answer :   Hepatic portal vein
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16. Contraction of the ventricle in the heart begins by the command from

A Chordae tendinae
B S.A. node
C Purkinje fibres
D A. V. node
Answer :   S.A. node
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17. Sinus venosus in mammals is believed to have merged with the wall of

A Right auricle
B Left auricle
C Right ventricle
D Left ventricle
Answer :   Right auricle
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18. William Harvey is credited with discovery of

A Blood clotting
B Blood circulation
C Process of digestion
D Mechanism of respiration
Answer :   Blood circulation
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19. In a Portal system (Man)

A A vein starts from an organ & ends in Heart
B A vein enters into organ other than heart & breaks in Capillaries
C An artery breaks in an organ & restarts by union of its Capillaries
D Blood from intestine is brough in kidneys then in IVC
Answer :   A vein enters into organ other than heart & breaks in Capillaries
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20. In mammals, histamine is secreted by

A histiocytes
B lymphocytes
C mast cells
D fibroblasts
Answer :   mast cells
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