thenewbonsai

Course 04 · Quiz 1 of 2 · Air, water, and container physics

Quiz 1: Air, water, and container physics

Apply the first four lessons to ten teaching cases about root function, pores, materials, and containers. Open book and untimed; pass with 80%. Every answer is explained after submission.

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Before you start

  • 10 questions, each worth one point. Some ask for one answer; others ask you to select a stated number of answers.
  • For questions with several answers, each correct choice earns an equal share of the point.
  • Pass with 80%: at least 8 of 10 points.
  • Untimed and open book. Revisit any lesson while you work.
  • After you submit, you will see every correct answer with an explanation. Retake it as often as you like.

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  1. Question 1 of 10 ScenarioA healthy trident maple stands in a stable training pot with open outlets. Water leaves quickly, but the trunk rocks in the medium and a core-moisture check after watering remains dry. The owner calls the mix excellent because it drains quickly.Which response best evaluates the root environment?
  2. Question 2 of 10 ScenarioDark garden soil supports vigorous shrubs in the ground. A beginner wants to fill a shallow bonsai container with the same soil, assuming its garden performance proves it is suitable.What important difference should the beginner consider?
  3. Question 3 of 10 ScenarioTwo batches share the same pumice source and largest particle size. Batch B contains much more fine material. Equal empty containers are filled and watered by the same method.Which prediction is reasonable before testing?
  4. Question 4 of 10 ScenarioA cutaway model shows water in connected pores inside pumice particles while many larger gaps between those particles contain air after drainage.Select the two statements supported by the model.0 of 2 selected
  5. Question 5 of 10 ScenarioA learner watches a schematic with a wetter lower region after drainage. They conclude that every bonsai pot has an identical fixed-depth puddle at the base.Which correction best describes the model's limits?
  6. Question 6 of 10 ScenarioA local supplier offers a cheap clay granule as an alternative to an imported ingredient. The bag does not yet provide enough information to decide whether it is appropriate for horticulture.Select the two most useful next checks.0 of 2 selected
  7. Question 7 of 10 ScenarioBag A costs less at the shop but contains substantial unusable fines and requires expensive delivery. Bag B costs more at the shop and is consistently graded from a nearby source. Neither has yet been tested in the intended pot.How should the owner compare them?
  8. Question 8 of 10 ScenarioThe same uniform medium is compared at two heights with functioning drainage. The shallow column has a larger fraction of its medium close to the wetter lower boundary.Which conclusion follows without claiming an exact drying time?
  9. Question 9 of 10 ScenarioA shallow container of fine medium remains wet near the base. Its drainage holes are open. An owner proposes replacing the bottom third of the medium with large gravel to pull water down.Which explanation should inform the decision?
  10. Question 10 of 10 ScenarioA vigorous tree is being considered for a shallower display pot at a future appropriate repotting. The owner has successfully used a particular mix in its deeper training pot and wants to transfer the same watering calendar unchanged.What is the strongest planning approach?

0 of 10 questions answered