Important Questions on Human Reproduction
Very Short Answer type Questions (1 Mark)
- Where is acrosome present in humans? Write its functions?
- What is the significance of epididymis in male fertility?
- Name the cells that nourish the germ cells in the testes? Where are these cells located in the testes?
- Define spermiogenesis. Where does it occur?
- Mention the difference between spermiogenesis and spermiation?
- Why is the middle piece of human sperm considered as the 'powerhouse of the sperm'?
- At what stage is meiosis I suspended in a primary oocyte?
- Define foetal ejection reflex?
- State the function of fimbriae?
- What is the role of cervix in the human female reproductive system?
>Short Answer Type Questions (2 Marks)
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- Describe the structure of a seminiferous tubule?
- Write the effect of high concentration of LH on a mature Graafian follicle?
- When and where do chorionic villi appear in humans? State their function?
- Differentiate between morula and blastocyst?
- Name the hormones produced during pregnancy in human females? Mention their source organ?
- Mention the difference between spermiogenesis and spermiation?
- Why is parturition called a neuroendocrine mechanism?
- Differentiate between primary spermatocyte and secondary spermatocyte?
- Explain what is colostrum? Why are breast-fed babies likely to be healthy?
- Name the stages when oogenesis and spermatogenesis initiate in human female and male, respectively?
>Short Answer Type Questions (3 Marks)
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- Name the stage of human embryo at which it gets implanted? Explain the process of implantation?
- Draw a labelled diagram of human sperm?
- Draw a labelled diagram of sectional view of the seminiferous tubule?
- Draw a diagrammatic labelled sketch of a sectional view of human ovary?
- Draw a labelled diagram of the reproductive system in human female?
- Meiotic division during oogenesis is different from that in spermatogenesis? Explain how and why?
- In which part of the human female reproductive system do the following events take place?
Release of first polar body
Release of second polar body
Fertilization
Implantation
- From where do signals from parturition originate and what does maternal pituitary release for stimulating uterine contraction for childbirth?
- Draw a labelled diagram of the sectional view of mammary gland?
Long Answer Type Questions (5 Marks)
- Describe the event of spermatogenesis with the help of schematic representation?
- Write two differences between spermatogenesis and oogenesis?
- Describe in sequence the formation of an ovum from an oogonium in human female?
- Explain the process of fertilization in human female and trace the post fertilization events in sequential order upto implantation of the embryo?
- Write the function of the following:
Corpus luteum
Endometrium
Acrosome
Sperm tail
- What is menstrual cycle? Explain the various stages of menstrual cycle?
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