The above diagram depicts the primary male reproductive organ of human beings or the male gonads, testes. The main function of the testes is the production of the primary male reproductive hormone called testosterone. With the effect of testosterone, sperms, the male gametes are produced in the testes.
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The above diagram depicts the primary female reproductive organ of human beings or the female gonads, ovaries. The main function of the ovaries is the production of the female gamete or the egg cells, called the ova or the oocytes. They also produce the primary reproductive hormone in females called the estrogen. Estrogen controls both primary and secondary sexual characters of females.
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The above diagram depicts the structure of the male gamete, the sperm. The sperm contains head with the nucleus, a neck, and a long tail. The main function of the sperm is to move through the female reproductive tract and fertilize the egg or the ovum, which will help in the passing on of the genetic information from the male to the newborn offspring.
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The above diagram depicts the process of fertilization. Multiple sperms reach the ovum and try to fertilize it, but only one sperm fertilizes the egg or the ovum to form the zygote. In this process, the nucleus of the sperm and ovum containing a haploid set of chromosomes unites to form a zygote, which contains a diploid nucleus. This zygote divides further to form the embryo, which eventually develops into the foetus.
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Observe the following figures and write their functions.
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Telangana Board Solutions for Chapter: Reproduction in Animals, Exercise 9: Improve your learning
Author:Telangana Board
Telangana Board Biology Solutions for Exercise - Telangana Board Solutions for Chapter: Reproduction in Animals, Exercise 9: Improve your learning
Attempt the practice questions on Chapter 4: Reproduction in Animals, Exercise 9: Improve your learning with hints and solutions to strengthen your understanding. Biology Class 8 solutions are prepared by Experienced Embibe Experts.
Questions from Telangana Board Solutions for Chapter: Reproduction in Animals, Exercise 9: Improve your learning with Hints & Solutions