Tamil Nadu HSE Second Year Biology case studies
Tamil Nadu HSE Second Year Biology · Put your knowledge to work in context.
The Tamil Nadu Higher Secondary Certificate (HSC) Second Year Biology examination is the Class 12 biology paper set by the Tamil Nadu State Board, taken by students who have chosen the science stream with biology as a subject. It is a school-leaving and university-admission credential: results feed into higher education admissions in medicine, agriculture, veterinary science, fisheries, pharmacy and pure sciences, and are looked at by colleges across the state. The Tamil Nadu HSE Second Year Biology case studies are 5 cases and about 4,236 words.
1Three Years of Infertility: Choosing an Assisted Reproduction Route
A 31-year-old woman (R.) and her 34-year-old husband attend a district infertility clinic after three years of trying to conceive. Her cycles are 35–45 days apart, her BMI is 31, and pelvic ultrasound shows multiple small peripheral follicles in both ovaries.
818 words, about 4 min2A Sickle-Cell Allele at 22% in a Malaria-Endemic Village
Health workers screen 800 people in a village in a malaria-endemic district of Tamil Nadu by haemoglobin electrophoresis. Results: 480 (60.0%) HbAA, 288 (36.0%) HbAS and 32 (4.0%) HbSS.
868 words, about 4 min3Forty-Seven Fevers in a Coastal Town: Dengue, Chikungunya or Neither?
In the first week of November, 47 residents of a coastal town present to the primary health centre with fever of 39–40 °C, severe joint pain, a maculopapular rash and conjunctival injection; three report bleeding gums. Platelet counts range from 40,000 to 95,000/µL.
817 words, about 4 min4Making Human Insulin in E. coli: Why the First Clone Failed
A state research laboratory is asked to help make human insulin affordable. The team clones the human insulin gene from a genomic DNA library into a pBR322-derived plasmid carrying an ampicillin-resistance marker and a single EcoRI site, then transforms E.
844 words, about 4 min5How Many Invasive Fish? A Mark–Recapture Estimate Under Pressure
A team studying a reservoir near Coimbatore wants to know how many individuals of the introduced cichlid Oreochromis mossambicus are present. In June they catch 200 fish by gill net, clip the upper lobe of the caudal fin, and release them at the same sites.
889 words, about 4 min