1. (a) (ii) Five parts of a seed drill are: • Hopper (or Seed box) • Furrow opener (or Disc opener) • Seed tube • Metering mechanism • Covering device (or Press wheel) (iii) Functions of the parts named in (ii): • Hopper: Stores the seeds to be sown. • Furrow opener: Creates a trench or furrow in the soil where the seeds will be placed. • Seed tube: Guides the seeds from the hopper down to the furrow opener. • Metering mechanism: Regulates the precise amount of seeds dropped at uniform intervals. • Covering device: Pushes soil back over the sown seeds and may compact it to ensure good seed-to-soil contact. 1. (b) Primary tillage implements are used for the initial, deeper breaking and turning of the soil, often to a depth of 15-30 cm. Their main purpose is to loosen compacted soil, incorporate crop residues, and prepare a rough seedbed. Examples include moldboard plows and disc plows. Secondary tillage implements are used after primary tillage to refine the soil structure. They break down large clods, level the field, control weeds, and create a finer, smoother seedbed suitable for planting. These implements work at shallower depths, typically 5-15 cm. Examples include disc harrows, cultivators, and rotavators. Last free one today — make it count tomorrow, or type /upgrade for unlimited.