BCS Written Botany study materials
BCS Written Botany study resources

BCS Written Botany case studies

BCS Written Botany ยท Put your knowledge to work in context.

The BCS Written Examination in Botany is the subject-specific written paper taken by candidates who have chosen Botany as an optional subject in Bangladesh's Civil Service (BCS) examination. It is intended for graduates with a strong academic background in plant sciences who are competing for entry into the Bangladesh Civil Service. The BCS Written Botany case studies are 5 cases and about 2,373 words.

1

Stomatal Conductance and Water Relations in a Drought-Stressed Orchard

A 12-year-old mango orchard in Rajshahi, Bangladesh, shows midday wilting despite irrigation. Soil moisture at 30 cm is 18% (field capacity 28%), and leaf water potential at predawn is -1.2 MPa (normal -0.4 MPa).

515 words, about 3 min
2

Taxonomic Delimitation in a Cryptic Species Complex of Ferns

You are studying a fern genus in the Western Ghats, India. Morphological measurements of 45 herbarium specimens show continuous variation in frond length (15โ€“45 cm), sorus position, and rhizome scale color.

459 words, about 2 min
3

Postharvest Spoilage of Tomatoes: A Case of Fungal and Bacterial Interaction

A tomato packing house in Gazipur, Bangladesh, reports 30% postharvest loss within 5 days of harvest. Symptoms: water-soaked lesions with white mycelium and black spore masses on the stem end, and soft, foul-smelling rot on the sides.

432 words, about 2 min
4

Conservation Genetics of a Rare Endemic Tree in a Fragmented Landscape

A rare tree species, Elaeocarpus blascoi, is endemic to the Palni Hills, India. It exists in three fragments: Fragment A (200 individuals, 50 ha), Fragment B (50 individuals, 10 ha), and Fragment C (20 individuals, 2 ha).

517 words, about 3 min
5

Enzyme Kinetics and Metabolic Regulation in a CAM Plant Under Salinity

You are studying a facultative CAM plant, Mesembryanthemum crystallinum, under salinity. Control plants (0 mM NaCl) show C3 photosynthesis with daytime stomatal opening.

450 words, about 2 min