Angola 12th Grade Biology National Exam case studies
Angola 12th Grade Biology National Exam · Put your knowledge to work in context.
The Angolan 12th Grade Biology National Examination (Exame Nacional de Biologia da 12ª Classe) is the school-leaving biology paper sat by final-year secondary students in Angola who are completing the biology stream. It is a national assessment: results contribute to the certificate that students present when applying to university or to higher technical institutes, and a strong biology grade matters for anyone aiming at medicine, nursing, pharmacy, agronomy, veterinary science or teacher training. The Angola 12th Grade Biology National Exam case studies are 5 cases and about 2,021 words.
1Anaemia in a Maize-Dependent Village
A health team screens 240 people in a rural Angolan village where maize porridge is the staple and fresh fruit is rarely eaten. Blood tests show 96 people with haemoglobin below 11 g/dL.
425 words, about 2 min2Malaria, Mosquitoes and a Dam Project
A district plans to build a small irrigation dam that will create 4 km of slow-moving water and flooded margins. Baseline surveys find Anopheles larvae in seasonal pools, malaria incidence of 180 cases per 1000 people per year, and local fish that eat mosquito larvae.
412 words, about 2 min3A Family with a Bleeding Disorder
A family is referred to a clinic. The father has a mild bleeding tendency; his daughter has prolonged bleeding after a tooth extraction; his son has no symptoms.
418 words, about 2 min4Enzyme Activity in a School Laboratory
Students investigate how temperature affects the activity of catalase from potato. They cut potato cylinders, add them to hydrogen peroxide, and measure the volume of oxygen collected in 60 seconds at 10, 20, 30, 40, 50 and 60 degrees Celsius.
404 words, about 2 min5Antibiotic Resistance in a Hospital Ward
A hospital ward reports rising infections with a bacterium resistant to several antibiotics. Records show that over two years the proportion of resistant isolates rose from 15 percent to 60 percent.
362 words, about 2 min