NCERT Class 8 Science Chapter 9 Reproduction in Animals Solutions
NCERT Class 8 Science Chapter 9 Reproduction in Animals Solutions NCERT TEXT BOOK EXERCISES Q. 1. Explain the importance of reproduction in organisms. Ans. Reproduction helps to increase the population of species. It is an important biological process for existance and continuity of a species. Q. 2. Describe the process of fertilization in human beings. Ans. In humans, fertilization occurs in the body of the female partner. The process of reproduction starts with mating during which the male releases male sex cells (sperms) into the body of the female. When sperms come in contact with an ovum (the egg) one of the sperms may fuse with the egg. Such a fusion of the sperm with the egg is called fertilization. During fertilization, the nucleus of the sperm and the egg fuse to form a single nucleus. The fertilized egg is called zygote. Q. 3. Choose the most appropriate answer: (a) Internal fertilization occurs: (i) in female body. (ii) outside female body. (iii) in male body. (iv) outside m...