Download and practise with this ZIMSEC O-Level Agriculture Paper 1 November 2011 question paper. Useful for exam revision, past paper practice, and preparation in Zimbabwe.
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This is the ZIMSEC O-Level Agriculture question paper for Paper 1 from November 2011. Use it for exam practice under timed conditions. The paper code is 5034/1.
# AGRICULTURE
## Question 1
Temporary wilting in plants is a result of
A low rate of water uptake as compared to transpiration.
B high rate of water uptake as compared to transpiration.
C rate of water uptake being the same as transpiration.
D low rate of water uptake and low rate of transpiration.
## Question 2
The diagrams show types of weather measuring instruments \(\mathbf{X}, \mathbf{Y}\), and \(\mathbf{Z}\).
What are these instruments used to measure?
| | \(\mathbf{X}\) | \(\mathbf{Y}\) | \(\mathbf{Z}\) |
| :---: | :--- | :--- | :--- |
| \(\mathbf{A}\) | temperature | wind speed | wind direction |
| \(\mathbf{B}\) | humidity | wind direction | wind speed |
| \(\mathbf{C}\) | wind speed | humidity | wind direction |
| \(\mathbf{D}\) | temperature | wind direction | wind speed |
## Question 3
Which of the following rainfall aspects greatly influence a farmer's choice of cereal varieties to grow?
A distribution and intensity
B effectiveness and intensity
C distribution and amount
D effectiveness and distribution
## Question 4
Which of the following crops would you recommend for production in Natural Region I?
A sugar cane, maize, fruits
B fruits, tea, potatoes
C soya beans, maize, cotton
D tobacco, maize, field beans
## Question 5
Which of the following is an advantage of practising monoculture?
A it is easy to carry out
B it improves the drainage of a field
C it attracts a lot of pests and diseases
D there is specialisation and use of one type of machinery
## Question 6
Which is the correct order for disseminating agricultural information to farmers?
A farmer ⟶ research ⟶ extension officer
B extension officer ⟶ research ⟶ farmer
C farmer ⟶ extension officer ⟶ research
D research ⟶ extension officer ⟶ farmer
## Question 7
One method of achieving uniformity of sowing gum tree seeds is to
A use a seed spreader.
B mix seed with sand and broadcast.
C use of uniformly spaced furrows.
D collect seeds from mature trees only.
## Question 8
Why is it advisable to harvest timber in late October or early November?
A trees will have shed their leaves
B to give chance for more shoots to develop during the rainy season
C it is the best time to treat timber
D to allow easy transportation for the logs
## Question 9
Select the correctly matched pesticide to its target
**Pesticide**
A insecticides
B fungicides
C herbicides
D acaricides
**Target**
weed plants
bacteria
insects
mites
## Question 10
Which of the following best describes the off-take rates for larger animals like zebra as compared to smaller animals?
A lower
B higher
C moderate
D same
## Question 11
The diagram below represents the constituents of soil. Which constituent do we get as the result of weathering?
## Question 12
Which of the following factors influence soil formation?
A parent material, light and air
B light, climate and parent material
C climate, relief and parent material
D light, air and climate
## Question 13
A mechanical analysis carried out on four different soils \(A, B, C\), and \(D\) showed the following results
| SOIL | % CLAY | % SAND | % SILT |
| :---: | :---: | :---: | :---: |
| A | 45 | 30 | 25 |
| B | 20 | 52 | 18 |
| C | 20 | 45 | 35 |
| D | 6 | 84 | 10 |
Which soil will be most suitable for crop production?
## Question 14
The substance used to raise the soil pH is
A Chalk.
B Compound D.
C Ammonium nitrate.
D Sulphate of ammonia.
## Question 15
Select a set of processes from the following that result in loss of nitrogen from soil.
A nitrification, ammonification, volatilization
B denitrification, nitrification, leaching
C denitrification, ammonification, volatilization
D leaching, denitrification, volatilization
## Question 16
A 50 kg bag of urea contains \(46 \% \mathrm{~N}\). How much nitrogen in kilograms do five bags of urea have?
A 96 kg
B \(115 \mathrm{~kg}\)
C \(230 \mathrm{~kg}\)
D \(250 \mathrm{~kg}\)
## Question 17
Which is the most important factor to consider in determining the method to use in controlling soil erosion?
A slope of the land
B type of soil
C type of crop to be grown
D amount of rainfall
## Question 18
The diagram shows a section through the stem of a root. Which of the labelled parts \(\mathrm{A}, \mathrm{B}, \mathrm{C}\) or D is part of the epidermal layer?
## Question 19
Plasmolysis occurs when water moves from
A soil into plant cells.
B cell to cell.
C root to leaves.
D plant cells into soil.
## Question 20
The diagram shows part of a leaf structure
What is the function of the part labelled X ?
A controls opening of stomata
B open to allow gaseous exchange
C protects leaf from diseases
D prevents moisture loss
## Question 21
The planting date of a dry land field crop can be brought forward by
A soaking the seed.
B using certified seed.
C tractor ploughing.
D water planting.
## Question 22
The diagram illustrates the classification of pests according to their feeding habits.
Choose the correct list that would be represented by \(\mathrm{X}, \mathrm{Y}\) and Z
**X**
A mealy bug
B weevils
C termites
D …