NSSCO Biology 6116 study guide
NSSCO Biology 6116 · Work through your exam, one topic at a time.
NSSCO Biology (subject code 6116) is the Ordinary Level biology subject award taken at the end of senior secondary school in Namibia. It suits candidates who need a solid, scientifically literate grounding in living systems - whether they plan to continue to AS-level Biology, enter vocational training, or work in health care, agriculture, conservation, laboratory support or teaching. The NSSCO Biology 6116 study guide has 10 sections and about 2,973 words.
01Working scientifically: fair tests and evidence
This domain tests whether you can turn an idea into a fair test and then interpret the evidence without overclaiming. Expect questions on variables, controls, sampling, tables and graphs, averages, anomalies, accuracy and precision, and evaluation of method and conclusion.
341 words, about 2 min02Cell structure, division and membrane transport
This domain tests cell organelles and their functions, differences between plant, animal and bacterial cells, mitosis and its importance, and how substances move across membranes by diffusion, osmosis and active transport. Nucleus contains DNA; mitochondria are the site of aerobic respiration; ribosomes make proteins; chloroplasts carry out photosynthesis; cell wall is cellulose in plants; vacuole stores sap; cell membrane controls entry and exit.
314 words, about 2 min03Nutrition: photosynthesis, minerals and digestion
This domain tests photosynthesis, leaf structure, limiting factors, plant mineral requirements, human diet, digestion and absorption. Photosynthesis: carbon dioxide + water → glucose + oxygen, using light energy and chlorophyll.
299 words, about 1 min04Respiration and gas exchange
This domain tests aerobic and anaerobic respiration, ATP release, gas exchange surfaces, ventilation in humans and gas exchange in plants. Aerobic respiration: glucose + oxygen → carbon dioxide + water, releasing energy in usable form.
289 words, about 1 min05Transport in plants and humans
This domain tests water and mineral uptake, transpiration, xylem and phloem, blood, the heart and blood vessels. Root hair cells increase surface area for osmosis and active transport of minerals.
301 words, about 2 min06Excretion and homeostasis
This domain tests kidney function, water balance and temperature balance. Excretion is removal of metabolic waste; egestion is removal of undigested food.
255 words, about 1 min07Coordination and response
This domain tests the nervous system, reflex arcs, synapses, hormones and plant tropisms. A stimulus is detected by a receptor; a coordinator processes it; an effector responds.
293 words, about 1 min08Reproduction, growth and sexual health
This domain tests plant reproduction, human reproduction and sexual health. Flower parts: sepals protect; petals attract pollinators; stamens produce pollen; carpel has stigma, style and ovary containing ovules.
293 words, about 1 min09Inheritance, variation and applied genetics
This domain tests genetic terms, monohybrid crosses, sex determination, variation, natural selection, selective breeding and genetic engineering. DNA carries genes; alleles are different versions of a gene.
293 words, about 1 min10Ecology, ecosystems and human influence
This domain tests ecosystems, food chains and webs, pyramids, nutrient cycles, biodiversity and human impact. Habitat is where an organism lives; population is one species in an area; community is all populations; ecosystem includes biotic and abiotic factors.
295 words, about 1 min