Karnataka SSLC Science (KSEAB) case studies
Karnataka SSLC Science (KSEAB) · Put your knowledge to work in context.
The Karnataka SSLC Science examination, conducted by the Karnataka School Examination and Assessment Board (KSEAB), is the Class 10 science paper that students in Karnataka must clear to complete secondary schooling and to qualify for pre-university (PU) courses, polytechnic diplomas, and other higher-study routes. It is a school-leaving assessment, so it tests the full Class 10 science syllabus rather than a narrow specialisation. The Karnataka SSLC Science (KSEAB) case studies are 5 cases and about 3,423 words.
1The Balance That Seemed to Lose Mass
At a school science exhibition, three benches are set up. On Bench A, 5.0 g of zinc granules are dropped into 50 mL of dilute sulphuric acid in an open conical flask standing on a digital balance.
642 words, about 3 min2Three Plots, Three pH Readings
A farmer in a hilly taluk grows beans and chillies on three adjacent plots, each about 0.4 hectare. She tests each soil with pH paper: Plot A reads pH 5.0 and the bean seedlings are stunted with yellow leaves; Plot B reads pH 6.8 and the crop is healthy; Plot C reads pH 8.3 and shows a white crust after irrigation, with poor germination.
702 words, about 4 min3The Patient Who Still Passes Some Urine
A 52-year-old man reports tiredness, puffiness around the eyes and ankles, and passes only about 300 mL of urine a day although he drinks nearly 2 L of water. His blood report shows creatinine 6.0 mg/dL (normal up to about 1.2), blood urea 90 mg/dL, and a urine dipstick shows protein 2+.
667 words, about 3 min4Three Unlabelled Mirrors
An optician's new assistant is asked to sort three unlabelled mirrors before the shop opens. Mirror P shows a customer's face erect and smaller however far away he stands, and the assistant can see a wide sweep of the street behind her in it.
680 words, about 3 min5Two Circuits, One Overloaded Fuse
A household is supplied at 220 V through two circuits: a 5 A lighting circuit and a 15 A power circuit. On the lighting circuit run four 60 W bulbs and two 70 W fans.
732 words, about 4 min