2. Self-Learning Exercise A. Potato: production of stem tubers. B. Amoeba: binary fission. C. Bread mould: production of spores. D. Maize: formation of seeds. Q:In the following examples, choose the type of reproduction that involve fertilization.

3. Sorry, youre wrong!!!!!! Formation of stem tubers in potato is a type of asexual reproduction. Fertilization is not involved. Try again!!!

4. Sorry, youre wrong!!!!!! Binary fission in amoeba is a type of asexual reproduction. Fertilization is not involved. Try again!!!

5. Sorry, youre wrong!!!!!! Production of spores in bread mould is a type of asexual reproduction. Fertilization is not involved. Try again!!!

6. Congratulations!!! Youve got the correct answer! Go to next question

7. Self Learning Exercise Here is a graph showing the changes in the thickness of the uterine wall of a woman during the period from 10 April to 8 May: Q: Which of the following date was fertilization most likely to take place? A. 10-April. B. 15-April. C. 23-April. D. 5-May.

8. Sorry, youve got the wrong answer!!! 10-April was more likely to be the date of menstruation because the thickness of the uterine wall was decreasing. Therefore, ovulation could not take place on that date and hence no fertilization. Try again...

9. Sorry, youve got the wrong answer!!! The uterine wall was not thick enough to prepare for implantation of embryo on 15-April. Therefore, fertilization was not likely to take place on that date. Try again...

10. Congratulation!!! Youve got the correct answer!!! Go to next question...

11. Sorry, youve got the wrong answer!!! The thickness of the uterine wall was decreasing on 5-May, which was most probably the beginning of menstruation. Therefore, ovulation was not likely to take place on that date and hence no fertilization. Try again...

12. Self Learning Exercise Here is a graph showing the changes in the thickness of the uterine wall of a woman during the period from 10 April to 8 May: Q: Which of the following dates was menstruation most likely to occur? A. 10-April to 14-April. B. 15-April to 21-April. C. 22-April to 26-April. D. 27-April to 3-May.

13. Congratulation!!! Youve got the correct answer!!! Go to next question...

14. Sorry, youve got the wrong answer!!! The thickness of the uterine wall was increasing from 15-April to 21- April. Therefore, menstruation was unlikely to occur on these dates. Try again...

15. Sorry, youve got the wrong answer!!! The thickness of the uterine wall was the same from 22-April to 26- April. Therefore, menstruation was unlikely to occur on these dates. Try again...

16. Sorry, youve got the wrong answer!!! The thickness of the uterine wall was the same from 27-April to 3- May. Therefore, menstruation was unlikely to occur on these dates. Try again...

17. Self Learning Exercise Here is a graph showing the changes in the thickness of the uterine wall of a woman during the period from 10 April to 8 May: Q: Which of the following best describes the significance of the increase in thickness of the uterine wall from 15 to 22 April? A. To prepare for menstruation. B. To prepare for fertilization. C. To prepare for ovulation. D. To prepare for embryo implantation.

18. Sorry, youve got the wrong answer!!! This is not the best description for the significance of the increase of the uterine wall. Try again...

19. Sorry, youve got the wrong answer!!! This is not the best description for the significance of the increase of the uterine wall. Try again...

20. Sorry, youve got the wrong answer!!! This is not the best description for the significance of the increase of the uterine wall. Try again...

21. Congratulation!!! Youve got the correct answer!!! Go to next question...

22. Self Learning Exercise Q: What will happen to a woman if she had her two oviducts tied and cut as a method of birth control? A. No more ovulation will occur. B. No more menstruation will occur. C. No more fertilization will occur. D. No more sex hormones can reach the uterus.

23. Sorry, youve got the wrong answer!!! Ovulation occurs in ovaries. It is not affected if the oviducts are tied and cut. Try again...

24. Sorry, youve got the wrong answer!!! Menstruation is the shedding of blood from uterus, and is controlled by hormones secreted by ovaries. Therefore, it will still occur if the oviducts are tied and cut. Try again...

25. Congratulation!!! Youve got the correct answer!!! Go to next question...

26. Sorry, youve got the wrong answer!!! Sex hormones produced by the ovaries are transported by blood to the target organs such as uterus. Therefore, their transportation is not affected if the oviducts are tied and cut. Try again...

27. Self-Learning Exercise A. Neither ovulation nor menstruation occur. B. Both ovulation and menstruation occur. C. Only ovulation occurs. D. Only menstruation occurs. Q: If all oviducts of a woman are tied up and cut, which of the following is correct?

28. Sorry, youre wrong!!! Vasectomy cannot stop ovulation and menstruation. Try again!!!

29. Congratulations!!! Youve got the correct answer! Go to next question

30. Sorry, youre wrong!!! Vasectomy cannot stop menstruation. Try again!!!

31. Vasectomy cannot stop ovulation. Sorry, youre wrong!!! Try again!!!

32. Self-Learning Exercise A. antibodies B. oxygen C. sugars D. red blood cells Q: Which of the following in the maternal blood cannot pass through the placenta to the foetal blood?

33. Sorry, youre wrong!!! Antibodies can pass through the placenta for the protection of the embryo from pathogens. Try again!!!

34. Sorry, youre wrong!!! Oxygen can pass through the placenta for the embryo to undergo respiration. Try again!!!

35. Sugar can pass through the placenta for the development of the embryo. Sorry, youre wrong!!! Try again!!!

36. Congratulations!!! Youve got the correct answer! Click here to end