Kerala SSLC Biology case studies
Kerala SSLC Biology · Put your knowledge to work in context.
The Kerala SSLC Biology component is the biology portion of the Secondary School Leaving Certificate examination taken at the end of Class 10 in Kerala. It is intended for students completing the state syllabus who need the SSLC qualification for higher secondary admission, vocational courses, or other further study. The exam is delivered in English, with Malayalam-medium candidates using the same syllabus and terminology. Expect questions spanning cell biology and cell division, genetics and heredity, plant and animal physiology, nutrition and digestion, respiration and gas exchange, transport and circulation, excretion and osmoregulation, coordination through the nervous and endocrine systems, reproduction and development, and ecology, environment and biodiversity. The Kerala SSLC Biology case studies are 5 cases and about 2,428 words.
1Colchicine, Mitotic Index and Root Growth
A Class 10 student germinates onion bulbs and collects four root tips of similar length. Two tips are kept in distilled water for 4 hours; two are kept in 0.05% colchicine solution for the same time.
453 words, about 2 min2Sickle Cell Risk in a Wayanad Family
A couple from a tribal hamlet near Mananthavady, Wayanad, have a 4-year-old daughter with sickle cell anaemia. Both parents are healthy and have never had a blood transfusion.
564 words, about 3 min3Idli Batter, Temperature and Anaerobic Respiration
A School Science Club prepares idli batter using parboiled rice and black gram, adding a little yeast to one batch and relying on natural fermentation in another. Batch A (with yeast) is kept in a closed steel container in a warm kitchen at 32°C.
420 words, about 2 min4Water, Salt and ADH: A School Hydration Study
Three healthy volunteers in a Class 10 practical agree to a hydration test after an overnight fast. Volunteer P drinks 500 mL of plain water.
483 words, about 2 min5Wetland, Housing and Bird Survey
A panchayat in Kuttanad proposes to fill a 2-hectare seasonal wetland to build a housing colony for 40 families. Before clearance, a school biodiversity club surveys the site for three weeks.
508 words, about 3 min