Agriculture (0600) 考試技巧

計算機程式

常見錯誤

1. 1high涉及分數: 1Monohybrid inheritance

   Stating only a single allele (e.g., 'R') instead of an allele pair (e.g., 'RR' or 'rr') when asked to identify a homozygous genotype.

   如何避免: Always write genotypes as pairs of alleles for diploid organisms. Homozygous dominant is 'EE', homozygous recessive is 'ee', and heterozygous is 'Ee'.
2. 2medium涉及分數: 2Soil erosion and soil conservation

   Listing soil erosion prevention methods (e.g., bunding, contouring) without describing how they work physically.

   如何避免: Always link the method to its mechanism. For example: 'Contour ploughing creates ridges across the slope that slow down the rate of surface water run-off, allowing more water to infiltrate the soil.'
3. 3medium涉及分數: 2Extensive and intensive pasture management

   Drawing rotational grazing layouts but omitting direction arrows indicating livestock movement sequence.

   如何避免: When asked to diagram a rotational grazing system, clearly subdivide the paddocks and draw numbered arrows showing the sequential rotation of animals from one paddock to the next.
4. 4high涉及分數: 1Principles of agricultural economics

   Losing calculation marks by omitting units (e.g. litres, tonnes) or failing to round to the requested decimal places.

   如何避免: Check the question stem for specific rounding instructions (such as 'two decimal places') and always append the appropriate unit of measurement to your final numeric answer.
5. 5high涉及分數: 3Extensive and intensive pasture management

   Confusing zero-grazing systems with extensive or free-range grazing setups.

   如何避免: Remember that zero grazing is a 'cut-and-carry' system where forage is harvested by the farmer and brought directly to confined animals, whereas extensive grazing involves livestock feeding on large open pastures.
6. 6high涉及分數: 2General principles of land use

   Providing vague, non-technical benefits of crop rotation (e.g., 'keeps soil healthy') instead of specific biological processes.

   如何避免: Explain specific mechanisms: 'Legumes within the rotation house nitrogen-fixing bacteria in root nodules to enrich soil nitrates, while rotating crops from different plant families breaks the reproductive life cycles of species-specific pests.'
7. 7medium涉及分數: 2Pest control

   Defining biological control as using organic pesticides.

   如何避免: Biological control specifically refers to introducing a living natural enemy, predator, or parasite to regulate a pest population, not using chemical compounds.
8. 8high涉及分數: 1Movement of materials through plants

   Explaining osmosis without mentioning the requirement of a semi-permeable membrane.

   如何避免: Define osmosis completely: the movement of water molecules from a region of higher water concentration to a region of lower water concentration, down a concentration gradient, through a semi-permeable membrane.
9. 9medium涉及分數: 1Soil fertility

   Using barium sulfate as a pH color indicator during soil testing.

   如何避免: Remember that barium sulfate acts as a flocculating agent to precipitate clay particles and clear muddy suspension water; the actual pH is determined by adding soil indicator solution (e.g. universal indicator).
10. 10medium涉及分數: 1The use of farm chemicals

    Assuming systemic pesticides move through a plant via the transpiration stream in xylem vessels.

    如何避免: Systemic pesticides must be translocated down to roots and throughout growth points, which occurs via the phloem (translocation of sugars).