Placenta — Predicted 2026
AI-Predicted Question Angles for UPSC 2026
Detailed mechanism of specific nutrient transport
mediumWhile general transport mechanisms are often asked, NEET could delve deeper into specific transporters. For instance, a question might ask about the specific GLUT transporters involved in glucose transfer or the active transport systems for amino acids. This tests a more granular understanding of placental physiology beyond just 'diffusion' or 'active transport'. Aspirants should be aware of the specific types of transport for key nutrients.
Immunological role and passive immunity
highThe placenta's role in providing passive immunity by transferring maternal IgG antibodies is a crucial aspect of fetal protection. Questions could focus on the mechanism of IgG transfer (pinocytosis/receptor-mediated endocytosis), the type of immunity conferred, or the timing of this transfer. This combines knowledge of immunology with reproductive biology, making it a good interdisciplinary question for NEET.
Consequences of placental dysfunction
highBeyond just defining placenta previa or abruptio placentae, questions could explore the broader consequences of placental insufficiency, such as intrauterine growth restriction (IUGR), pre-eclampsia, or gestational hypertension. This tests a more applied understanding of how placental health directly impacts fetal and maternal well-being, moving beyond simple definitions to clinical implications.
Evolutionary significance of hemochorial placenta
lowWhile the human placenta is hemochorial, a question on its evolutionary advantages or disadvantages compared to other placental types (e.g., epitheliochorial, syndesmochorial) is less likely for NEET UG, which focuses more on human physiology. However, understanding *why* the hemochorial type is efficient for exchange could be subtly tested.