WHAT IS SEXUAL REPRODUCTION Try to recall reproduction in plants which you studied in Class VII. You will remember that plants that reproduce sexually have male and female reproductive parts.
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MALE REPRODUCTIVE ORGANS The male reproductive organs include a pair of testes (singular, testis), two sperm ducts, and a penis (Fig. 9.1). The testes produce the male gametes called sperms. Millio
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FEMALE REPRODUCTIVE ORGANS The female reproductive organs are a pair of ovaries, oviducts (fallopian tubes), and the uterus (Fig. 9.3). The ovary produces female gametes called ova (eggs)
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FERTILISATION The first step in the process of reproduction is the fusion of a sperm and an ovum. When sperms come in contact with an egg, one of the sperms may fuse with the egg. Such fusion of th
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DEVELOPMENT OF EMBRYO Fertilisation results in the formation of zygote which begins to develop into an embryo [Fig.9.8(a)]. The zygote divides repeatedly to give rise to a ball of cells [Fig.9.8(b)
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