Soil Science NCV Level 2 — Memo

November 2020 — NCV Level 2 — Soil Science

NCV Level 2 2020 NCV Agriculture

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Questions — A Preview of What to Expect in the Document

This section provides a quick preview of questions from the document. It may not display every question or the complete wording of each one. For the full content, including diagrams, tables and other information, view the original PDF above.

Q1— Section header —

1.1515

Q2— Section header —

2.1alse

2.2rue

2.3rue

2.4rue

2.510

Q3— Section header —

3.1010

Q4— Section header —

4.1vaporation

4.2Accretion

4.3ass number

4.4uction

4.55

Q5— Section header —

5.1Reserve nutrients are not immediately available to plants. (2\

5.2eoxyribonucleic acid (2\

5.3Diffusion is the movement of plant nutrients from higher concentration to lower concentration. Osmosis is the process by which water molecules move through a permeable membrane from higher concentration to

Q6— Section header —

6.1.1Aspect is t he direction the slope faces or the orientation of the slope.

6.1.2Soil profile is a section of soil that shows all horizons.

6.1.3

6.2artly fill the measuring cylinder with dry soil ir bubbles will rise from the soil as the water level drops. ater soak into the dry soil replacing

6.5.1Loam sand (2\

6.5.2Yes

6.5.3ecause sweet potatoes grow very well in sandy soil. (2\

6.5Loam (2\ [27]27

Q7— Section header —

7.1.1

7.1.2ondensation (2\

7.1.3Condensation s the process of changing steam into liquid water (2\

7.2.1Carbonic acid CHEMICAL REACTION OF A WATER MOLECULE FORMATION : hydrogen : oxygen The l ine between the

7.4must lose two electrons. [25]25

Q8— Section header —

8.1.1Relative humidity is the ratio between the amount of water vapour in the air and the amount that the air can hold at that temperature. (2\

8.1.2A wet bulb thermometer A dry bulb thermometer

8.1A wet bulb thermometer is covered by a wet fabric which cools the bulb thermometer by evaporation. A dry bulb thermometer is just a bulb thermometer not covered by any fabric.

8.1High humidity leads to fungal diseases and rotting of stored crops or any stored items in the storeroom. (2\

8.1to shelter crops from strong winds Mulching to cover the surface of the soil to reduce water loss through evaporation Providing shade to protect crops against the sun by shade cloth or natural shade of trees.

8.4.1An atom is the smallest particle into which an element can be divided.

8.4.2A mixture is made up of substances not chemically bonded together.

8.4.328

Mark Allocation

Sections15 + 10 + 10 + 5 + 30 + 27 + 25 + 28 = 150 marks

Paper information

TitleMemo

SubjectSoil Science

LevelNCV Level 2

Document typeNCV Agriculture

Year2020

MonthNovember

Pages6

Downloads4

Examination context

Decade2020s

Years ago6y

SeasonSpring (SH)

Start daySunday

Exam periodNovember 2020

Days since exam2,168

About Soil Science examination preparation

This TVET examination resource can be used as part of a structured revision programme. Past papers are most useful when learners attempt questions independently, work within a realistic time limit, and review their answers afterwards.

How to use this resource for revision

A TVET past examination paper is most useful when it is treated as an active revision exercise. Try the questions yourself before checking the corresponding memorandum. Where you make an error, identify the reason — was it a knowledge gap, a calculation mistake, an interpretation issue, or an examination technique problem?

For stronger examination practice, complete the paper without unnecessary interruptions and keep track of the questions that take the most time. Afterwards, review the memorandum and separate knowledge gaps from mistakes caused by interpretation, calculation, structure, or examination technique.

understanding question requirements

applying subject knowledge

working under time constraints

checking answers

identifying revision priorities

A practical revision approach

Start by completing the resource without looking at the memorandum. Review incorrect and incomplete answers afterwards and make a short revision list based on the areas that caused difficulty.

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