Candidates looking for neco agric expo 2020 may get the neco agricultural science 2020 answers by preparing well for the exam using the past neco agricultural science questions and answers here.
Candidates will write the National Examination Council (NECO) Agric examination on Saturday, 14th November, 2020 starting by 10:00 am.
The NECO agriculture exam will last for 2hrs 30mins and will comprise of Paper III & II (Objective & Essay).
Here, we will be posting out the Neco agriculture questions for candidates that will participate in the examination. Note that below is the questions from Neco agric past-questions and answers that we feel are likely questions for Neco agric exam preparation.
NECO Agricultural Science Answer 2020.
Section II [Essay]
Answer any FIVE questions.
Write your answers on the answer booklet provided.
1. (a) (i) Explain the term agriculture.
(ii) List three industries that utilize cereals as their raw materials.
(b) Outline six problems that hinder the attainment of self-sufficiency in food production in West Africa.
(c) Enumerate five benefits of commercial farming.
2. (a) Give seven reasons for keeping farm animals.
(b) Classify cattle, goat, rabbit, horse, donkey, pig, snail and honeybee into:
(ii) Non ruminants.
3. (a) Explain the term farm mechanization.
(b) List six limitations of farm mechanization in West Africa.
(c) Suggest eight possible ways of encouraging the use of farm mechanization to improve agricultural production in West Africa.
4. (a) List two sources of carbon dioxide in the atmosphere.
(b) State (i) four causes of soil acidity;
(ii) two ways by which soil pH influences crop growth.
(c) List three ways by which each of the following biotic factors affects agricultural production:
(ii) soil organisms.
(d) State two advantages of zero tillage.
5. (a) (i) Explain the term drainage.
(ii) State four ways by which drainage is important in agriculture.
(b) (i) List two methods of drainage.
(ii) State two advantages and two disadvantages of each method you listed in 5(b)(i)
6. (a) What are ornamental plants?
(b) List five factors that influence the choice of a crop nursery site.
(c) Give two examples of each of the following methods of weed control:
(i) Physical method;
(ii) biological method;
(iii) cultural method.
(d) Give three functions of potassium in crops.
7. (a) State four advantages of grafting.
(b) Mention four ways by which forests enhance soil conservation.
(c) State two forestry regulations in your country.
(d) In an afforestation programme, teak seedlings were planted at 4m x 4m. After transplanting, 10.5% of the seedlings were lost to stress. Before harvesting, additional 12.8% were lost to wind damage. Calculate:
(i) the number of teak seedlings required to plant 2.3 hectares of farm land;
(ii) the number of teak seedlings lost to stress;
(iii) the number of teak stands harvested.
8. (a) What is fish farming?
(b) Define the following terms as used in fish farming:
(i) stocking rate;
(iv) fishing gears.
(c) List four factors that influence the water requirements of farm animals.
(d) Discuss foot-and-mouth disease under the following headings:
(i) causal agent;
9. (a) Draw and label the digestive system of a ruminant animal.
(b) Describe the process of digestion in the ruminant animal.
10. (a) (i) List the four factors of agricultural production.
(ii) State the reward for each factor you have listed in 10(a)(i).
(b) Outline three functions of the wholesaler in agricultural marketing.
(c) State two objective of agricultural extension.
(d) Mention five examples of group extension teaching methods.