Give one word/term for the following : (a) A flower containing both male and female parts (b) Arrangement of flowers on a twig/stem (c) When pollen grains of a flower reach the stigma of the same flower. (d) When maturation time of reproductive parts in a flower is different. (e) When stigma and anthers do not grow up to same height, which favours only cross-pollination ? (f) Pollination of flowers by insects. (g) Pollination of flowers by birds.