| 41. | Which of the following act as a channel of transmission of blood to the heart in the human body? | |||||||
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| 43. | Which of the following acts as a resistance against in the body? | |||||||
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| 44. | Which of the following chemicals is useful in photography? | |||||||
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| 45. | Which are the important meeting of the Commonwealth? | |||||||
Answer: Option D Explanation: No answer description available for this question. |