251. Right atrium or auricle in mammalian heart receives blood From

A Precavals
B Precavals and post cavals
C Pulmonary veins
D Sinus venusus
Answer :   Precavals and post cavals
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252. Compared to blood our lymph has:

A plasma without proteins
B more WBCs and no RBCs
C more RBCs and less WBCs
D no plasma
Answer :   more WBCs and no RBCs
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253. Child death may occur in the marriage between

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
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254. Largest heart is of

A Giraffe
B Elephant
C Crocodile
D Skin muscles
Answer :   Elephant
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255. The value of diastolic blood pressure is

A 120 mm Hg
B 80 mm Hg
C 120/80 mm Hg
D 40 mg Hg
Answer :   80 mm Hg
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256. In which point pulmonary artery is different from pulmonary vein

A Its lumen is broad
B Its wall is thick
C It have valves
D It does not possess endothelium
Answer :   Its wall is thick
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257. Heart has to pump blood more forcefully in older persons due to

A Increased elasticity of arteries
B Decreased elasticity of arteries
C Decreased efficiency of heart
D Increased efficiency of heart
Answer :   Decreased elasticity of arteries
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258. Which one of the following vertebrate organs receives the oxygenated blood only ?

A Gill
B Lung
C Liver
D Spleen
Answer :   Spleen
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259. Which one of the following mammalian cells is not capable of metabolising glucose to carbon- dioxide aerobically?

A Unstriated muscle cells
B Liver cells
C Red blood cells
D White blood
Answer :   Red blood cells
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260. Blood Circulation was highlighted first by

A Karl Land Steiner
B William Harvey
C De Castello & Sturli
D Dr. Christian Bernard
Answer :   William Harvey
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