Kerala Plus Two Biology (DHSE) case studies
Kerala Plus Two Biology (DHSE) · Put your knowledge to work in context.
The Kerala Higher Secondary Biology course, examined by the Directorate of Higher Secondary Education (DHSE) at the end of Plus Two, is the state-board science subject that opens doors to medical, agricultural, veterinary, paramedical and pure-science degrees. It is written for Higher Secondary students in Kerala's government, aided and unaided schools, and it is also taken privately by repeaters and candidates migrating from other boards. The Kerala Plus Two Biology (DHSE) case studies are 5 cases and about 2,823 words.
1A Couple With Two Fertility Problems and One Affordable Cycle
A 32-year-old woman from Thrissur and her 36-year-old husband attend a fertility clinic after 18 months of unprotected intercourse. Her cycles are 45–60 days apart, and a day-21 serum progesterone is 2.4 ng/mL; the laboratory's luteal-phase reference is above 10 ng/mL.
614 words, about 3 min2Haemoglobin Electrophoresis in a Family From Wayanad
A couple from a tribal settlement in Wayanad bring their 3-year-old son, who has recurrent pain crises, pallor and an enlarged spleen. His haemoglobin is 7.2 g/dL, MCV 78 fL, and the peripheral smear shows sickle cells and target cells.
569 words, about 3 min3Bt Cotton Failure in Palakkad: Seed or Pest?
A farmer in Palakkad sows 4 hectares of a Bt cotton hybrid advertised as giving protection against American bollworm. He plants no refuge rows.
561 words, about 3 min4Fish Kill in a Kuttanad Backwater
A 25-hectare backwater near Kuttanad receives treated sewage from a town of 40,000 people and runoff from 12 hectares of shrimp ponds. In April, dissolved oxygen at dawn falls to 1.8 mg/L in the upper 1 m, chlorophyll a is 65 µg/L, salinity is 12 ppt, and water temperature is 31°C.
565 words, about 3 min5Tomato Hydroponics: Old Leaves, Young Leaves and a Drifting pH
A polyhouse in Vellayani grows tomatoes in a recirculating nutrient solution. After 30 days, older leaves show interveinal chlorosis, while young leaves are small and uniformly pale.
514 words, about 3 min