Which organelle pictured is critical for glucose production?

Chloroplast, which are only in plant cells, are responsible for glucose production

Explanation:

both male and female gametes are produced by meiosis of the germ cells. therefore, both male and female gametes are haploid. one male and one female gamete unite during the fertilization to form the diploid zygote. in seed bearing plants, pollen grain is the male gametophyte, which produces sperm cells.

meiosis is the first to occur after the nuclei of opposite of opposite mating types fuse