Essential Mineral Elements — Prelims Questions
Which of the following essential mineral elements is a component of the chlorophyll molecule and also activates enzymes of respiration and photosynthesis?
A plant exhibits stunted growth, dark green leaves, and delayed flowering. Which essential mineral deficiency is most likely causing these symptoms?
Which of the following elements is a constituent of amino acids cysteine and methionine, and also part of several vitamins?
Which of the following micronutrients is essential for the photolysis of water during photosynthesis and also activates several enzymes?
Deficiency symptoms of which of the following elements first appear in older, senescent leaves due to its high mobility within the plant?
Which of the following is a beneficial element for some plants, but not considered universally essential by the strict criteria?