UPSC CDS/OTA
Circulatory System
General Studies
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Circulatory System

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Questions
30
Time
30 min
Marks
30
Solutions
All inline
Q1Consider the following statements regarding the human circulatory system: 1. The pulmonary artery carries deoxygenated blood from the right ventricle to the lungs. 2. The pulmonary vein is the only vein that carries oxygenated blood. 3. The aorta carries oxygenated blood to all parts of the body except the lungs. Which of the above statements is/are correct?MediumSolve →Q2Which one of the following chambers of the human heart has the thickest muscular wall?MediumSolve →Q3With reference to human blood groups, consider the following statements: 1. A person with blood group O can donate blood to any person, but can receive only from group O. 2. A person with the AB blood group can receive blood from any group, but can donate only to the AB group. Which of the above is/are correct?MediumSolve →Q4The lymphatic system drains excess tissue fluid into:MediumSolve →Q5Which one of the following blood vessels contains the highest concentration of carbon dioxide?MediumSolve →Q6Which blood component plays a crucial role in blood clotting?MediumSolve →Q7Which of the following pairs is correctly matched?MediumSolve →Q8Consider the following regarding double circulation in humans: 1. Blood passes through the heart twice in one complete circuit. 2. It includes systemic and pulmonary circulation. Which is correct?MediumSolve →Q9Which among the following is a feature of arteries?MediumSolve →Q10The SA node is known as:MediumSolve →
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