NEET Zoology
Human Heart Double Circulation
Low Priority
Consistency: 20%
Weightage: 4 / 20 Yrs
High-Yield Trend
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2017 1
2013 1
2011 1
2008 Questions 4 MCQs
01
PYQ 2008
medium
zoology ID: neet-200
In humans, blood passes from the post caval to the diastolic right atrium of heart due to:
1. pushing open of the venous valves
2. suction pull
3. stimulation of the sino auricular node
4. pressure difference between the caval and atrium
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02
PYQ 2011
easy
zoology ID: neet-201
Arteries are best defined as the vessels which:
| 1. | carry blood away from the heart to different organs |
| 2. | break up into capillaries which reunite to form a vein |
| 3. | carry blood from one visceral organ to another visceral organ |
| 4. | supply oxygenated blood to the different organs |
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03
PYQ 2013
easy
zoology ID: neet-201
Figure shows a schematic plan of blood circulation in humans with labels A to D. Identify the label and give its function/s.
| 1. | B-Pulmonary artery- takes blood from heart to lungs, PO2 = 90mm Hg |
| 2. | C-Vena Cava- takes blood from body parts to right auricle, PCO2 = 45mm Hg |
| 3. | D-Dorsal aorta- takes blood from heart to body parts, PO2 = 95mm Hg |
| 4. | A- Pulmonary vein - takes impure blood from body parts, PO2 = 60mm Hg |
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04
PYQ 2017
easy
zoology ID: neet-201
The hepatic portal vein drains blood to the liver from:
| 1. | Stomach | 2. | Kidneys |
| 3. | Intestine | 4. | Heart |
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