Given a sentence with a missing word, pick the answer option that best fills out the missing word in the sentence. Indicate each answer with its index ('a', 'b', 'c', 'd').
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Question: Urea cycle requires the coordination of ____ different tissues.\Question: Choose the right answer from options given a) two b) four c) nine d) zero

Answer: a


Question: Military service is fulfilled by voluntary enlistment, generally for a period of ____ years.\Question: Choose the right answer from options given a) four b) one c) nine d) two

Answer: c


Question: Many mystical traditions say that there are always ____ forces at work in any worldly phenomenon.\Question: Choose the right answer from options given a) six b) two c) ten d) three

Answer:
d