A cell is a mass of cytoplasm that is bound externally by a cell membrane. Usually microscopic in size, cells are the smallest structural units of living matter and compose all living things. Most cells have one or more nuclei and other organelles that carry out a variety of tasks.
<h2>a) leaf have highest number of chloroplasts because they are in direct contact with the environment an they absorb sunlight.</h2><h2>b) in march, april and may we expect to find the highest number of chloroplasts in a plant because there is an optimum amount of sunlight and more leaves as its spring in these months, number of leafs increases in plants</h2><h2></h2>