Name the part/organ of the human female reproductive system:
(a) where contraceptive devices such as loop or copper-T are placed to prevent pregnancy.
(b) which is blocked to prevent the transfer of eggs.
(c) where formation of green cells as ova takes place.
(d) from where the embryo gets nutrition from the mother's blood.
Name the part/organ of the human female reproductive system:
(a) where contraceptive devices such as loop or copper-T are placed to prevent pregnancy.
(b) which is blocked to prevent the transfer of eggs.
(c) where formation of green cells as ova takes place.
(d) from where the embryo gets nutrition from the mother's blood.
The parts/organs of the human female reproductive system corresponding to the given functions are:
(a) Uterus: This is where intrauterine contraceptive devices (IUCDs) such as the loop or copper-T are placed by a doctor to prevent pregnancy by blocking implantation.
(b) Fallopian tube (or Oviduct): This tube is surgically blocked or cut (in a procedure called tubectomy) to prevent the transfer and fusion of eggs with sperm.
(c) Ovary: This is the primary female sex organ where the formation of female germ cells (ova/eggs) takes place.
(d) Placenta: This is a specialised disc-like tissue embedded in the uterine wall through which the developing embryo gets oxygen and nutrition from the mother's blood.
Marking Scheme
- 1(a) Uterus: 0.5 Mark
- 2(b) Fallopian tube / Oviduct: 0.5 Mark
- 3(c) Ovary: 0.5 Mark
- 4(d) Placenta: 0.5 Mark
Hint
Recall the pathway of the egg: it is produced in the ovary, travels through the fallopian tube, implants in the uterus, and receives nourishment via a specialized tissue connection.
Quick Oral Answer
(a) Uterus, (b) Fallopian tube (or Oviduct), (c) Ovary, and (d) Placenta.
Analysis & Explanation
The female reproductive system is highly specialised to support gametogenesis, fertilisation, implantation, and gestation:
- Ovaries produce the female gametes (ova) and secrete hormones.
- Fallopian tubes are the site of fertilisation and transport the egg to the uterus. Blocking them prevents the egg from meeting sperm.
- The Uterus is the muscular organ where the embryo implants and develops. Placing an IUCD here prevents the blastocyst from attaching to the uterine wall.
- The Placenta acts as a physiological barrier and transport system, supplying glucose, amino acids, and oxygen from the mother's bloodstream to the fetus while removing metabolic wastes.
Common Mistakes
- 1Writing 'vagina' instead of 'uterus' for the placement site of copper-T.
- 2Confusing the fallopian tube with the uterus as the site of egg formation.
- 3Writing 'umbilical cord' instead of 'placenta' for the primary organ of nutrient exchange.
Interesting Facts
The placenta is the only temporary organ in the human body; it develops alongside the embryo and is expelled from the mother's body shortly after the baby is born.
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Frequently Asked Questions
How many marks does this question carry in CBSE Class 10 Science 2022?
This question carries 2 marks in the CBSE Class 10 Science 2022 examination.
Which chapter does this question come from in Science?
This question is from the chapter "How do Organisms Reproduce?" in the CBSE Class 10 Science syllabus.
What topic does this question cover in Science?
This question covers the topic "Human Reproduction" from CBSE Class 10 Science.
What type of question is this in the CBSE Class 10 Science 2022 paper?
This is a Short Answer question from Section SECTION A in the CBSE Class 10 Science 2022 paper.