Gaurd cells is right answer that is option C .
Hope it helps.
The kingdom would be Plantae because it has membrane bound organelles as well as green chloroplasts, and a nucleus.
Turner syndrome occurs among the females only because it has to do with the missing X chromosome. The effects of this syndrome is having a short height, ovary failure and heart defects. The female sex hormones, such as the estrogen and progesterone, are elevated.