The sentences given with blanks are to be filled with an appropriate word(s). Four alternatives are suggested for each question. For each question,choose the correct alternative and click the button corresponding to it.
In each of the questions, four alternatives are given for the Idiom/Phrase. Choose the alternative which best expresses the meaning of the Idiom/Phraseand click the button corresponding to it.
Photosynthesis is the process that takes place in leaves that converts light energy into chemical energy or sugars. It occurs in the presence of chlorophyll that is present in leaves as a green pigment, carbondi oxide and water with the help of sun light. So the energy for photosynthesis come from sun light.