Select the word that best matches. Extreme old age when a man behaves like a fool =

Mr. Humayun Ahamed "achieved" fame both "as a" writer "or" as a "film maker ". "No Error"

Sharks "can detect" minute "electrical" discharges "coming" from "its" prey. "No Error"

"In the" architecture , "a capital" is "the top" portion of "a column." "No Error"

Ducks are "less" susceptible "to" infections "than" other types of "poultry." "No Error"

The "sum of all" chemical reactions in "an organism's " living cells "are" called "its" metabolism. "No Error"...

" One of the drawbacks" "of modern education are" "that it does not" encourage" "original thinking" "No Error"...