WBBSE Madhyamik Life Science (English Adaptation) case studies
WBBSE Madhyamik Life Science (English Adaptation) · Put your knowledge to work in context.
The WBBSE Madhyamik Life Science paper is the Class 10 science examination set by the West Bengal Board of Secondary Education, taken by students at the end of their secondary schooling. A pass in this subject, alongside the other compulsory subjects, is what earns the Madhyamik certificate, which is the usual entry requirement for higher secondary admission in West Bengal and is recognised for many vocational and competitive pathways. The WBBSE Madhyamik Life Science (English Adaptation) case studies are 5 cases and about 3,543 words.
1Ruler-Drop Reaction Times Before and After Screen Use
At a school health fair, Class 10 students measured reaction time with the ruler-drop test. A partner held a 30 cm ruler vertically between the student's thumb and forefinger and released it without warning; the student caught it as fast as possible.
767 words, about 4 min2Mitosis Counts in Onion Root Tips and a Colchicine Slide
Class 10 students grew onion roots in water, cut 5 mm tips, fixed them in acetic-alcohol, hydrolysed them in 1 M HCl at 60 °C, stained with acetocarmine and squashed the tips under a cover slip. Under 400× magnification each group counted 200 cells in randomly chosen fields and recorded the stage of each.
709 words, about 4 min3A Thalassaemia Family in a District Hospital
A couple from a village brings their 3-year-old son to a district hospital. The boy is pale, has a swollen abdomen and has needed a blood transfusion roughly every 5 weeks since he was 8 months old.
673 words, about 3 min4Reading a River: Sewage, Fertiliser and a Single-Fix Report
A citizens' group surveyed a 4 km stretch of a river that flows through a town. Site 1 is 500 m upstream of the sewage outfall, Site 2 is 300 m downstream of it, and Site 3 is 3 km further downstream.
747 words, about 4 min5A Diabetic Man with Swollen Ankles and a High Potassium
A 52-year-old man with diabetes for 18 years attends a clinic with ankle swelling, frothy urine and nocturia. Blood results: creatinine 3.4 mg/dL, urea 78 mg/dL, potassium 5.8 mmol/L, bicarbonate 18 mmol/L, albumin 2.8 g/dL, fasting glucose 168 mg/dL, Hb 9.4 g/dL.
647 words, about 3 min