Soil Science NCV Level 2 — Memo

November 2022 — NCV Level 2 — Soil Science

NCV Level 2 2022 NCV Agriculture

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Q1— Section header —

1.1rue

1.2alse

1.3alse

1.4rue

1.5alse

1.6alse

1.7rue

1.8alse

1.9rue

1.1010

Q2— Section header —

2.1010

Q3— Section header —

3.1010

Q4— Section header —

4.1Nucleus

4.2Diffusion

4.3Matter

4.4Windbreaks

4.5Erosion

4.6Leaf analysis

4.7Cation

4.8Humus colloids

4.9Root cap

4.1010

5.1Total plant nutrients are all plant nutrients that occur in the soil or reserved plant nutrients plus accessible plant nutrients in the soil. Available plant nutrients are those plant nutrients that can be absorbed by the

5.3Growing points of the plant including root tips do not develop. Plants leaves tend to curl. Flowers develop partly or not at all.

5.4Lush vegetative growth is plant growth that is thick, green and healthy. (2\ [22]22

Q6— Section header —

6.1oisture content of the soil oil depth Orientation and the shape of the land Vegetation and ground cover loud cover Amount of solar radiation Season and atmospheric condition Organic matter

6.2void using flood irrigation Water crops frequently but with micro irrigation meth ods like drip irrigation system Apply lime with great care Grass mulch Apply smaller quantities of organic matter more often

6.3S = F (P, R, Cl, O, T\ (2\

6.4.1plot No.2A

5.77mproves texture of the mineral component mproves humus content which builds soil structure mproves soil texture Improves ability of soil to retain water Any (10\

6.6hygroscopic/ adhesion water capillary/ cohesion water (3\

6.7.1Capillarity is the upward movement of water through various pore spaces in the soil.

6.7.233

Q7— Section header —

7.1.2Helium

7.1.3

7.2.1Back diffusion is when water diffuse from moist air back into the leaf when the humidity is very high.

7.2.2Transpiration is the opening of stomata to release water from plant leaves.

7.2.3Covalent bonding is the sharing of electrons between atoms that are involved in bonding.

7.2.4

7.3elative humidity of 54% means that the moisture in the air is 54% of the total amount of moisture the air can hold. (3\

7.4(5\

7.5.1is a polar molecule

7.5.2is a non polar molecule

7.5.3

7.6.1Ionic bonding (2\

7.6.2There is a total transfer of electron from one atom to the other. (2\

7.6.3(4\

7.6.4

7.7.1Nitrogen

7.7.27 protons

7.7.4

7.8newspaper plastic sheeting compost bark chipping stones or peb bles [55] TOTAL SECTION B: GRAND TOTAL:55

Mark Allocation

Sections10 + 10 + 10 + 10 + 22 + 33 + 55 = 150 marks

Paper information

TitleMemo

SubjectSoil Science

LevelNCV Level 2

Document typeNCV Agriculture

Year2022

MonthNovember

Pages7

Downloads3

Examination context

Decade2020s

Years ago4y

SeasonSpring (SH)

Start dayTuesday

Exam periodNovember 2022

Days since exam1,440

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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Pages7

Archived on8 September 2026

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