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ZIMSEC O Level · 4001/1 · N2019

Agriculture Paper 1 November 2019

Questions
40
Time allowed
60 min
Syllabus code
4001/1

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Questions
40
Pass mark
24
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Answer every question in the printed order, get marked at the end, then see the answers.

The questions

Question 1

Farming Systems
Choose the most suitable enterprise for a farmer settled in Gwanda.
  1. AApiculture
  2. BDairy production
  3. CFlower production
  4. DCattle ranching

Question 2

Farming Systems
Which statement best describes the effect of over-population versus land use in Zimbabwe.
  1. AIncreased number of processing industries.
  2. BReduced grazing area and arable land.
  3. CIncreased employment opportunities.
  4. DLess pressure on energy resources.

Question 3

Farming Systems
The land tenure system introduced by the state of Zimbabwe is called
  1. Afreehold.
  2. Bleasehold.
  3. Ccommunal.
  4. Dresettlement.

Question 4

Farming Systems
Who owns land under communal farming?
  1. ATenant
  2. BFarmer
  3. CHeadman
  4. DGovernment

Question 5

Farming Systems
The agricultural system where farmers cultivate land temporarily and abandon it to gain fertility is
  1. Anomadic farming.
  2. Bshifting cultivation.
  3. Csubsistence farming.
  4. Dhunting and gathering.

Question 6

Crop Production
The environmental factors that mostly influence crop growth are
  1. Arainfall and temperature.
  2. Bsunlight and wind speed.
  3. Crainfall and humidity.
  4. Dwind and rainfall.

Question 7

Crop Production
Why is the fallow period important in a crop rotation scheme?
  1. ATo prevent the removal of too much nutrients.
  2. BTo allow the soil to absorb oxygen from the air.
  3. CTo prevent a build up of pathogens in the soil.
  4. DTo allow the rains to moisten the soil.

Question 8

Plant Structure And Growth
Select a condition which is linked with increased water loss in plants.
  1. Alow wind movement.
  2. Blow light intensity.
  3. Chigh humidity.
  4. Dlow humidity.

Question 9

Soil Science
Soil capping can best be described as
  1. Asoil mass found in the horizontal plane.
  2. Ba hard surface layer found on the subsoil.
  3. Ca hard crust found on the surface of the soil.
  4. Dthe lump of soil found just below the plough depth.

Question 10

Soil Science
_____ influences the colour of soil during weathering.
  1. APosition of rock
  2. BType of rock
  3. CAge of rock
  4. DParent rock

Question 11

Soil Science
The soil moisture surrounding a dry soil particle is called
  1. Agravitational.
  2. Bfield capacity.
  3. Chygroscopic.
  4. Dcapillary.

Question 12

Soil Science
Top soil is darker than subsoil because
  1. Ait is nearer to the soil surface.
  2. Btopsoil is frequently watered.
  3. Cthere is more leaching from the topsoil.
  4. Dit contains more humus and organic matter.

Question 13

Soil Science
A soil is called acidic when
  1. AH+^+ ions > OH−^-.
  2. BH+^+ ions = OH−^-.
  3. CH+^+ ions < OH−^-.
  4. DH+^+ ions ≠\neq OH−^-.

Question 14

Water And Irrigation
Which of the following is a result of waterlogging?
  1. AA decrease in the activity of soil micro-organisms.
  2. BAn increase of nutrients in the soil.
  3. CAn increase in the air supply to plants.
  4. DA decrease in the acidity of the soil.

Question 15

Water And Irrigation
One disadvantage of drip irrigation is
  1. Areduced soil erosion.
  2. Blow energy requirements.
  3. Creduced disease incidence.
  4. Dincreased salinity in the soil.

Question 16

Crop Protection
Herbicides that are applied after planting the crop but before emergence of weeds are called
  1. Apreplanting herbicides.
  2. Bselective herbicides.
  3. Cpost-emergence herbicides.
  4. Dpre-emergence herbicides.

Question 17

Crop Protection
Potato seed tubers are dusted with fungicides before planting to
  1. Acontrol outbreak of early and late blight.
  2. Bcontrol outbreak of nematodes.
  3. Ccontrol outbreak of weeds.
  4. Dcontrol outbreak of aphids.

Question 18

Plant Nutrition And Fertilisers
How many kilograms (kg) of Ammonium nitrate are required to cover a maize plot 125 m long by 75 m wide, if the top dressing rate is 60 kg N/ha?
  1. A163 kg
  2. B56 kg
  3. C174 kg
  4. D100 kg

Question 19

Crop Production
Calculate the plant population for an area of 2 500 m2^2, if the recommended spacing for eucalyptus tereticornis is 2,5 m ×\times 2,5 m.
  1. A500 trees
  2. B300 trees
  3. C250 trees
  4. D400 trees

Question 20

Natural Resources And Conservation
Which of the following methods is used to protect trees from fire?
  1. Abasin making
  2. Bmake fire guards
  3. Capply aldrin 40% WP
  4. Dfence the wood plantation

Question 21

Animal Nutrition
Which pair of animals are non-ruminants only?
  1. Acattle and donkey
  2. Bsheep and poultry
  3. Cpig and donkey
  4. Dsheep and goat

Question 22

Animal Nutrition
Choose a pair of nutrients mainly required in a ration of farm animals.
  1. Aprotein and carbohydrates
  2. Bvitamin A and vitamin K
  3. Ccarbohydrates and iron
  4. Diodine and calcium

Question 23

Animal Nutrition
Mechanical digestion in a ruminant animal is done in the
  1. Arumen.
  2. Bmouth.
  3. Creticulum.
  4. Domasum.

Question 24

Animal Health
Excessive salivation and limping are major symptoms of
  1. Aanthrax disease.
  2. Bblack leg disease.
  3. Cnew castle disease.
  4. Dfoot and mouth disease.

Question 25

Poultry Production
Vaccination in broilers is done to
  1. Aimprove growth of the broilers.
  2. Bincrease food conversion ratio.
  3. Cprevent occurrence of diseases.
  4. Dreduce internal and external parasites.

Question 26

Poultry Production
When brooder temperature is just ideal, chicks respond by
  1. Ahuddling together for warmth.
  2. Bspreading evenly in the brooder.
  3. Ccrowding on one side of brooder.
  4. Dmoving away from source of heat.

Question 27

Poultry Production
What is the dressing percentage of a bird 2 kg live mass which weighed 1,6 kg dressed mass?
  1. A80%
  2. B20%
  3. C60%
  4. D40%

Question 28

Animal Health
Calculate the amount of chemical needed to mix with 800 litres of water, if a dip chemical is mixed at a ratio of 1 part chemical to 500 parts of water.
  1. A0.625
  2. B625
  3. C0.4
  4. D1.6

Question 29

Farm Structures And Machinery
The commonly used binding material when constructing bridges on farm roads is
  1. Asilver sand.
  2. Bgravel.
  3. Ccement.
  4. Dpit sand.

Question 30

Farm Structures And Machinery
Why should straining posts be anchored?
  1. ATo withstand the pressure of the strained wire.
  2. BTo weaken the strained wire.
  3. CTo prevent termites attack.
  4. DTo put the strut.

Question 31

Farm Structures And Machinery
Why is it important to draw a building plan before construction?
  1. ATo show position of the building.
  2. BAssists in calculation of materials needed.
  3. CDetermines properties of building materials.
  4. DDetermines factors considered when selecting building site.

Question 32

Farm Structures And Machinery
Which part of the ox-drawn cultivator is used for adjusting the width of cut?
  1. ATines
  2. BWheel
  3. CCoulters
  4. DAdjusting lever

Question 33

Farm Structures And Machinery
How many straining posts are needed to fence a stretch of land 2 kilometres long? If the distance between two straining posts is 400 metres.
  1. A8
  2. B5
  3. C10
  4. D6

Question 34

Farm Management And Economics
Tools on a farm are recorded in the
  1. Adiary book.
  2. Bstock record.
  3. Cphysical record.
  4. Dinventory record.

Question 35

Farm Management And Economics
Identify a financial record kept in rabbit production.
  1. Alitter size
  2. Binputs costs
  3. Cmating records
  4. Dweaning weight

Question 36

Farm Management And Economics
If prices of commodities and services are high
  1. Ademand is high.
  2. Bless people will buy.
  3. Cconsumption is high.
  4. Dcustomers will be many.

Question 37

Farm Management And Economics
The best alternative foregone by the farmer as a result of choosing another describes
  1. Arisk.
  2. Buncertainty.
  3. Copportunity cost.
  4. Ddecision making.

Question 38

Farm Management And Economics
The response of the supply of the product to increasing prices include
  1. Ano new producers joining.
  2. Bexisting producers supplying less.
  3. Cexisting producers supplying more.
  4. Dsupplies of the product remaining the same.

Question 39

Farm Management And Economics
Profit or loss of an enterprise is determined by
  1. Asubtracting total expenses from total receipts.
  2. Bsubtracting total receipts from total expenses.
  3. Cadding total expenses and total receipts.
  4. Dadding total receipts and total debits.

Question 40

Farm Management And Economics
Gross margin less fixed costs is
  1. Agross income.
  2. Bvariable costs.
  3. Cliability cost.
  4. Dfarm profit.

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