Which of the following carries substances upwards as well as downwards in a plant ?

Which of the following substances acts as an oxidising as well as a reducing agent?

Which of the following substance (s)can act as an oxidising well as reducing agent ?

Which of the following substance may be used as antiseptic as well as disinfectant

Which of the following substances may be used as antiseptic as well as disinfectant ?

Out of xylem and phloem, which one carries materials: (a) upwards as well as downwards? (b) only upwards?

Which of the following substance serve as an antitranspirant in plant?