Which organ forms in the uterus to supply food material to the developing embryo?
APlacenta
BCorpus luteum
CEndometrium
DEmbryo sac
Answer & Solution
Correct answer: A. Placenta
1. After implantation in the uterus, the embryo needs nourishment to grow.
2. The placenta forms to supply food material during growth in the uterus.
3. Development is completed in about nine months.
4. Corpus luteum and endometrium are other reproductive structures and embryo sac is a plant structure, so those are ruled out.
_Source: Balbharati (Maharashtra Board) Class 10 Science & Technology Part 2, Ch 3 "Life Processes in Living Organisms Part 2", p.39_
Keep practising Unit 8J: Comparative Physiology: Transport & Regulation
Browse all Unit 8J: Comparative Physiology: Transport & Regulation questions for AP Biology, or explore more Biology topics.
Related questions
The IODINE-containing hormone is:Plants RESPOND to stimuli mainly through:The hormone that controls the level of sugar in blood by promoting glucose uptake by cellsThe number of pairs of cranial nerves in humans is:Geotropism shown by the roots of a plant is:The gap between two neurons across which a nerve impulse is transmitted (chemically) is thAuxin is a plant hormone that mainly promotes:Phototropism is the: