IB ESS · Topic 5 · HL

Topic 5: Land (HL)

6 review questions with answers for Topic 5: Land (HL). Read them here, or play the set as a class game on the projector. Free to host, and students join with a code.

A question from this set

Top layer of a soil profile, made of leaf litter and partly decomposed organic matter?

  • Mob grazing
  • A horizon
  • O horizonRight answer
  • Zero tillage
From Topic 5: Land (HL), 6 questions.

All 6 questions and answers

  1. Top layer of a soil profile, made of leaf litter and partly decomposed organic matter?

    Answer: O horizon

  2. Dark topsoil layer just below the leaf litter, where minerals mix with humus and most roots grow; highly vulnerable to erosion?

    Answer: A horizon

  3. Farming that aims to rebuild soil organic matter, biodiversity and the soil's carbon store, rather than only sustain them?

    Answer: Regenerative farming

  4. Food growing system integrating sustainable design principles; aims for self-sufficiency with minimal waste?

    Answer: Permaculture

  5. Growing crops without ploughing, sowing seed directly into the remains of the last crop to protect soil structure?

    Answer: Zero tillage

  6. Grazing a large herd on a small area for a short time, then moving it on so the pasture can rest and regrow?

    Answer: Mob grazing

Play it as a class game

Play this set opens it in splycr, where you can host it for your class straight away. Hosting needs no account: put the room code on the projector, and students join from a phone with the code and their first name. Each question plays as multiple choice, and the three wrong options are other answers from the same set.

The questions come from the Biology by Bradford flashcard bank. IB and AP are trademarks of their owners. splycr is not affiliated with or endorsed by the International Baccalaureate or the College Board.