chapter 13 (Biology)
Grade 10th
Human reproductive system
Name the followings
1. Sac like structure around the testes
2. Canal through which testes descent into scrotum shortly before birth
3. Cells in testes that secretes male hormone testosterone
4. Name the accessory glands present in human male
5. Name the part of testes in which sperm are formed
6. Empty Graffian Follicles convert into yellow fluid called….
7. Name the hormone secreted by Graffian Follicles
8. Other name of oviduct
9. In young females, vagina is partially closed by a thin membrane called
10. Virus that can pass through placenta if the mother is infected
11. Finger like projections of placenta
12. Wall of uterus that breaks during menstrual phase of menstrual cycle
13. Enzyme secreted by acrosome of the sperm for hydrolysis of wall of ovum
14. Fluid inside the space of amnion and embryo
15. Stage at which embryo attached to the wall of placenta
Question answers
1. Write the major role of placenta
2. Briefly explain the menstrual cycle
3. What is embryo implantation. Describe Briefly
4. What is spermatogenesis and oogenesis
5. What do you mean by primary and secondary sex organs