問 1
1 点Which of the following living organisms is a common soil constituent that helps improve soil structure by burrowing and creating channels?
Cambridge IGCSE · Agriculture (0600)
Soil types, composition, texture and temperature：練習問題
その場で採点される選択問題 5 問と、解説つきの記述問題 5 問。すべて「Soil types, composition, texture and temperature」からの出題です。
10 問20 点無料・登録不要
問 2
1 点What is a common consequence of the oxidation of organic matter and the loss of crumb structure in soil?
問 3
1 点How does a high proportion of clay particles specifically influence the physical properties and management of a soil?
問 4
1 点The diagram provided represents a soil profile with several distinct layers. Which labeled horizon is the topsoil, containing the highest concentration of organic matter and biological activity?
問 5
1 点How does the presence of humus assist in maintaining a healthy soil structure for crop growth?
問 6
2 点State two ways in which mulching a seedbed can protect young seedlings from extreme soil temperatures.
まず自分で答えを書いてから、解説と照らし合わせましょう。
問 7
3 点Explain why clay soils are more prone to waterlogging compared to sandy soils based on their particle size and pore spaces.
まず自分で答えを書いてから、解説と照らし合わせましょう。
問 8
2 点Describe the difference in water-holding capacity between a sandy soil and a clay soil.
まず自分で答えを書いてから、解説と照らし合わせましょう。
問 9
4 点A soil profile is a vertical section through the soil showing its different layers.
(a) State the names of the three main layers, also known as horizons, found in a typical soil profile. (3 points)
(b) Name one living organism, other than an earthworm, that is a common biological constituent of soil. (1 point)
まず自分で答えを書いてから、解説と照らし合わせましょう。
問 10
4 点(a) Describe the typical structure of a soil profile by identifying the characteristics of topsoil and subsoil.
(b) Explain how the presence of organic matter (humus) assists in the formation of a good crumb structure.
(c) State one method a farmer can use to reduce the effect of extreme soil temperatures on newly transplanted seedlings.
まず自分で答えを書いてから、解説と照らし合わせましょう。
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