Free CXC Agricultural Science Paper 2 May/June 2010 past paper from 2010. Includes a worked answer key. Open the PDF, take a timed test, and study with AI on Caribbean AI.
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CSEC Agricultural Science Paper 2 May/June 2010 - Free CXC Past Paper with Answers
Free CXC Agricultural Science Paper 2 May/June 2010 past paper from 2010. Includes a worked answer key. Open the PDF, take a timed test, and study with AI on Caribbean AI.
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Every question from this paper as text. See the answers and worked solutions. Questions are the property of the Caribbean Examinations Council; Caribbean AI is not affiliated with CXC.
List TWO OTHER ways by which Caribbean governments can offer incentives to farmers.
[2 marks]
Suggest TWO OTHER positive contributions made by sustainable agriculture.
[2 marks]
List TWO contributions which agriculture can make to the national economy.
[2 marks]
Suggest TWO ways by which the Ministry of Agriculture can support young people who are involved in agricultural production.
[2 marks]
Explain how water causes soil erosion.
[2 marks]
Suggest TWO OTHER conservation techniques that can be used to reduce soil erosion.
[2 marks]
List TWO OTHER factors which affect the germination of seeds planted in the field.
[2 marks]
In an experiment, a student observes that the germination of seeds is higher in new, unused seedling trays than in trays which have been previously used.
Explain ONE reason that may account for this observation.
[1 mark]
Describe ONE measure the student can undertake to improve the germination of seeds sown in seedling trays which have been previously used.
[1 mark]
Figure 1 shows the digestive tract of two different species of farm animals.
State the names of the parts of the digestive tract labelled X and Y respectively in Figure 1.
X
[1 mark]
Y
[1 mark]
A farmer feeds to Species B a ration which consists mainly of grass. Give ONE reason why Species B will be better able to utilize this feed.
[2 marks]
Name ONE legume and ONE grass from the list of forages above.
[2 marks]
Advise farmers on TWO measures which should be taken during the next rainy season to correct this problem.
[2 marks]
Study the graphs in Figure 2 and Figure 3 and answer the questions that follow.
Using price and quantity, explain what is happening at point B of Figure 2.
[2 marks]
If the price of tomato increases from $2.00 to $4.00:
What will be the quantity demanded?
Suggest TWO ways by which the consumer will respond to the increase in price.
How will the farmer MOST likely respond?
What will be the quantity supplied?
[5 marks]
Suggest TWO measures which Caribbean governments can take to prevent the scarcity of tomato.
[2 marks]
State the law of diminishing returns, using an example of a crop grown on a farm.
[3 marks]
Weeds are described as unwanted plants and if they are not controlled they have adverse effects on crop production.
List THREE ways by which weeds can affect the growth and yield of crops.
[3 marks]
Farmer Dillon cultivates maize (corn) on a two-hectare plot of land. He controls weed growth with a locally available weedicide.
Categorize weedicide use as either manual, mechanical, chemical or cultural control.
After continued use of the weedicide, Farmer Dillon observed that the broad leaf weeds had disappear but other weeds persisted. Give TWO likely reasons for this observation.
Describe TWO cultural practices Farmer Dillon can use on his farm to control weed growth.
Identify TWO methods of mechanical weed control.
[9 marks]
State the incubation period for broiler eggs. What is the purpose of candling hatching eggs? Name the specific type of ration fed to hens that are laying.
[3 marks]
State the incubation period for broiler eggs.
What is the purpose of candling hatching eggs?
Name the specific type of ration fed to hens that are laying.
Figure 4 shows one-day-old chickens in a brooding area.
Identify ONE problem shown in Figure 4 and suggest how the problem could be corrected.
[2 marks]
A new poultry farmer recently lost many birds during the brooding period. He believes that the feed and litter quality were inadequate. Advise him on how he should manage his birds during this brooding period. Your answer should include TWO practices for feed and TWO practices for litter quality.
[4 marks]
The farmer also observed blood droppings in the litter. (i) Identify the disease MOST likely affecting the birds. (ii) Advise the farmer on TWO management practices to correct this problem.
[3 marks]
Identify the disease MOST likely affecting the birds.
Advise the farmer on TWO management practices to correct this problem.