Punjab PSEB Matric Science case studies
Punjab PSEB Matric Science · Put your knowledge to work in context.
PSEB Matric Science is the science paper of the Class 10 (Matriculation) examination of the Punjab School Education Board - a board that came into existence through a legislative enactment in November 1969, was granted autonomy by a Vidhan Sabha amendment in 1987, and sits at Vidya Bhawan, Phase-8, SAS Nagar (Mohali). The credential is taken by regular candidates of affiliated schools and by Open School/private candidates, and the theory paper is written in the Annual Examination held in the February/March session. The Punjab PSEB Matric Science case studies are 5 cases and about 3,806 words.
1Liming One Plot, Not Both
Harjit farms four hectares near Bathinda. A block agriculture office soil test gives his two plots very different readings.
757 words, about 4 min2Crossing Wheat Without a Breeding Station
Manpreet grows wheat on six acres near Sangrur. His own saved variety yields 5.2 tonnes per hectare, but in the last two seasons about a third of the crop was hit by yellow rust and needed two fungicide sprays.
671 words, about 3 min3A Jeweller's Lens and Two Mirrors
Rajinder runs a small jewellery shop in Amritsar. To show fine work on a pendant he holds a convex lens of focal length 8 cm close to the piece and looks through it from the other side.
803 words, about 4 min4One Fuse, Seven Amps and an Earth Pin on the Neutral
The Sharma family in Jalandhar has one 5 A lighting circuit fed through a 5 A fuse at the distribution board. Connected to it are three LED bulbs of 9 W, two ceiling fans of 70 W, a television of 80 W, and a new 1.5 kW room heater plugged into the same circuit through a 5 A socket and a multi-plug adaptor.
783 words, about 4 min5A Village Pond, a Falling Water Table and Eight Lakh Rupees
Bhaloor, a village of 120 households in Hoshiarpur district, has 260 acres almost entirely under paddy and wheat. Two decades ago the water table stood at 12 m; this year's piezometer reading is 31 m, and two of the four hand pumps yield only in the early morning.
792 words, about 4 min