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').

[EX Q]: Cleavage occurs typically in either one, two, three, four, or ____ directions.\Question: Choose the right answer from options given a) six b) three c) ten d) two
[EX A]: a

[EX Q]: Teething begins for most babies around ____ to six months.\Question: Choose the right answer from options given a) three b) four c) five d) seven
[EX A]: b

[EX Q]: Isoelectric point is that point where there is ____ net charge on the protein.\Question: Choose the right answer from options given a) nine b) two c) zero d) one
[EX A]:
c