NUCELUS

Fill in the following blanks with suitable words : Pollen grains contain .........gametes fo a plant. (b) Ovules contain .......... gametes of a plant (c) The ovary of a flower becomes ..........after fertilisation. (d) The ovule becomes a .......... after fertilisation. (e) Flowering plants reproduce by .......... method of reproduction (f) The female organ of reproduction in the flower is the ......... (g) The male organ of reroduction in the flower is the......... (h) The name of the structue in the flower in which the male gamete is formed is.......... (i) The .......... at the base of the carple contains egg cell. (j) The term used to refer to the transfer of pollen from the stamen of one flowr to the carpel of another flower of the same species is ......... (k) The cells involved in sexual reproduction are called.......... (l) Fussion of gametes gives rist to a single cell called.......... (m) The process of fussion of gametes is called .......... (n) A multicellular animal starts its life from a ........... through sexual reproduction. (o) The union of a sperm nucelus with an egg nucleus is known as ........... and results in a ..........egg. (p) The menstrual cycle in controlled by .........