OPSC OAS · General Studies (Paper I)
General Science — Biology
Cells, human body, diseases, plant biology.
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Take a full mock →Q1 · General Science — Biology · EASY
Which of the following vitamins is essential for the clotting of blood?
Q2 · General Science — Biology · MEDIUM
Which of the following vitamins is essential for blood clotting and is synthesized by bacteria in the human intestine?
Q3 · General Science — Biology · HARD
Which of the following vitamins acts as a coenzyme in the decarboxylation reactions of cellular respiration?
Q4 · General Science — Biology · HARD
Which of the following statements about the human circulatory system is/are correct? 1. Pulmonary veins carry oxygenated blood from the lungs to the heart. 2. The sinoatrial node is located in the left atrium. 3. The tricuspid valve separates the right atrium from the right ventricle. Select the correct answer using the code given below:
Q5 · General Science — Biology · EASY
Which of the following vitamins is essential for the synthesis of clotting factors in the liver?