A. Calcium B. Nitrogen C. Phosphorous D. Hydrogen
Home/Chemical Engineering (MCQs)/Chemical Engineering Basics/__________ is a special constituent of chlorophyll without which photosynthesis is not possible. Chemical Engineering Basics __________ is a special constituent of chlorophyll without which photosynthesis is not possible. A. Calcium B. Nitrogen C. Phosphorous D. Hydrogen Answer: Option B. Explanation: No answer description available for this question. Show AnswerDiscussion