Which one of the following is the process involved in photosynthesis?

Which of the following the chlorophyll in photosynthesis is used for?

Which of the following best explains the pressure flow hypothesis in phloem transport?

Which one of the following is NOT a function of the pigment carotenoid?

Which one of the following elements is essential for the formation of chlorophyll in green plants?

Which of the following pairs (Plant nutrient - Function) is not correctly matched?