Rose pollen is large and sticky in comparison to grass pollen as it has to stick to insects to cross pollenate! Grass pollen is produced in larger quantitys and is smaller and lighter than rose pollen because grass pollen is dispersed by wind!
Question 1: the difference is that Haploid cells are those that have only a single set of chromosomes while diploid cells have two sets of chromosomes.
Question 2: Mitosis creates diploid cells
Question 3: Meiosis creates haploid cells