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').

[Q]: Nematodes occur in ____ general forms.\Question: Choose the right answer from options given a) nine b) two c) seven d) ten
[A]: b


[Q]: Nymphs emerge in ____ to seven days and flatten themselves against the leaf to feed.\Question: Choose the right answer from options given a) one b) five c) nine d) two
[A]: b


[Q]: Beryllium is ____ times stiffer than steel and a third lighter than aluminum.\Question: Choose the right answer from options given a) seven b) six c) two d) nine
[A]:
b