questionText[4] = ' The process by ' + 'which the energy of sunlight is converted into chemical energy (food) by green plants is known ' + 'as... a. phototropism.
(+; is converted; into chemical energy; by green plants) (questionText; is known; as... a. phototropism)
+ questionText
is converted is known
into chemical energy by green plants
as... a. phototropism