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ZIMSEC O Level · 5035/1 · N1996

Agriculture Paper 1 November 1996

Questions
25
Time allowed
60 min
Syllabus code
5035/1

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Questions
25
Pass mark
15
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Answer every question in the printed order, get marked at the end, then see the answers.

The questions

Question 1

Plant Structure And Growth
An underground stem that grows horizontally is a
  1. Abulb
  2. Brhizome
  3. Crunner
  4. Dtuber

Question 2

Crop Production
Physical damage to plants is likely to be caused by increased
  1. Aevaporation
  2. Bhumidity
  3. Ctemperature
  4. Dwind

Question 3

Livestock Production
A hormone produced in the mate reproductive organs is
  1. Aoxytocin
  2. Bprogresterone
  3. Ctestosterone
  4. Drelaxin

Question 4

Natural Resources And Conservation
A eucalyptus variety suitable for dry regions is
  1. Acamaldunensis
  2. Bcitriodora
  3. Cgrandis
  4. Dtereticornis

Question 5

Plant Structure And Growth
Transpiration is lowest under conditions of
  1. Adry winds
  2. Bhigh humidity
  3. Chigh temperatures
  4. Dlow rainfall

Question 6

Plant Nutrition And Fertilisers
The nutrient easily lost through leaching is
  1. Amagnesium
  2. Bnitrogen
  3. Cphosphorous
  4. Dsulphur

Question 7

Plant Nutrition And Fertilisers
Atmospheric nitrogen is increased by
  1. Alightning action
  2. Banaerobic bacteria
  3. Clegume cultivation
  4. Dnitrate fertilizers

Question 8

Farm Structures And Machinery
A suitable tool for removing seedlings from a nursery bed when transplanting is a
  1. Adibber
  2. Bfork
  3. Cspade
  4. Dtrowel

Question 9

Plant Nutrition And Fertilisers
The substance used to raise soil pH is
  1. Aammonium nitrate
  2. Bagricultural lime
  3. Ccompound D
  4. Dsulphate of ammonia

Question 10

Soil And Water Conservation
Surface run off is caused by
  1. Alower water run off
  2. Bslow water penetration
  3. Cploughing along contours
  4. Dploughing across slopes

Question 11

Soil Science
A soil type which contains a high content of fine particles is
  1. Aclay
  2. Bloam
  3. Csand
  4. Dsilt

Question 12

Crop Production
Crops which should follow each other in a rotation are those
  1. Awith similar root systems
  2. Bwith the same nutrient requirements
  3. Cwhich are closely related
  4. Dwhich belong to different families

Question 13

Plant Nutrition And Fertilisers
Superphosphate fertilizers promote the growth of
  1. Afruits
  2. Bleaves
  3. Croots
  4. Dstems

Question 14

Animal Nutrition
An essential nutrient for bone formation in livestock is
  1. Airon
  2. Bmagnesium
  3. Cphosphorous
  4. Dpotassium

Question 15

Plant Structure And Growth
Crops wilt when where there is too much
  1. Adrainage from the soil
  2. Bevaporation from the leaves
  3. Crespiration through the stomata
  4. Dtranslocation through the stem

Question 16

Soil Science
The upward movement of moisture in soil is
  1. Acapillary
  2. Binfiltration
  3. Cpercolation
  4. Dseepage

Question 17

Crop Protection
Seed dressings are done to
  1. Ainoculate seed
  2. Bdestroy cutworms
  3. Ckill seeds of weeds
  4. Dprevent fungal diseases

Question 18

Farm Management And Economics
Gross margin is gross income less
  1. Avariable costs
  2. Bnet farm profit
  3. Coverheads
  4. Doverheads and variable costs

Question 19

Farm Management And Economics
Which of the following is a risk in agriculture economics?
  1. Achange in demand
  2. Bchange in government policy
  3. Cdamage by storm
  4. Dunavailability of labour

Question 20

Plant Nutrition And Fertilisers
How much fertilizer would be applied on 250 m2 of land at the rate of 300 kg/ha?
  1. A6.0 kg
  2. B6.5 kg
  3. C7.0 kg
  4. D7.5 kg

Question 21

Livestock Production
The number of livestock units equivalent to animals weighing 1 500 kg is
  1. A3
  2. B4
  3. C5
  4. D6

Question 22

Plant Structure And Growth
Growth of plant roots towards water is
  1. Ageotropism
  2. Bhaptotropism
  3. Chydrotropism
  4. Dphototropism

Question 23

Water And Irrigation
Construction of dams will
  1. Areduce drought occurrence
  2. Bincrease agricultural exports
  3. Cstop relief handouts
  4. Dreduce crop failures

Question 24

Farm Structures And Machinery
To make good quality cement blocks, the soil ingredients should be
  1. Acoarse sand
  2. Bfine sand
  3. Cclay soil
  4. Dloam soil

Question 25

Farm Management And Economics
The price of cereals during years of drought is high because supply is
  1. Ahigh and demand high
  2. Blow and demand high
  3. Chigh and demand low
  4. Dlow and demand low

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