Myschool CBT Challenge Season 6 - Prizes Worth N300,000 To Be Won!

Agricultural Science Past Questions

Change Subject Ask Question Check Syllabus Download App

2076

(a) Describe the cultivation of Cowpea under the headings:

(i) soil requirement;
(ii) method of propagation;
(iii) spacing [ 3 marks ]

(b) Name one disease and two field pests of Cowpea. [ 3 marks ]

(c) State four cultural methods of controlling crop pests. [ 4 marks ]

(d) State four human activities that promote deforestation in West Africa. [ 4 marks ]

(e) Describe each of the following agro-forestry practices:

(i) alley cropping;
(ii) ley farming. [ 4 marks ]

View Answer & Discuss
2077

(a) In an incubator, 1,500 eggs were arranged on the trays for incubation. During candling, 25 eggs were discovered to be unfertilized. At hatching, 475 chicks were male and the remaining were female. Calculate the percentage of:
(i) unfertilized eggs;
(ii) fertilized eggs;
(iii) male chicks;
(iv) female chicks. [ 6 marks]

(b) State four signs that indicate the approach of parturition in a cow. [ 4 marks ]

(c) Mention four vegetative materials that could be used in propagating ornamental
plants. [ 4 marks ]

(d) State four advantages of grafting. [ 4 marks ]

View Answer & Discuss
2078

(a) Mention three functions of a farm manager. [ 3 marks ]
(b) Use the information in the demand schedule below to answer the questions that follow.


Price of Cowpea (Le)

Quantity demanded (kg)

200
160
120
80
40

5
10
15
20
25

(i) Draw a demand curve from the schedule [ 4 marks ]
(ii) Use the demand schedule to explain the relationship between quantity demanded
and price. [ 2 marks ]

(c) State three advantages of the wholesaler in marketing of agricultural produce.
[ 3 marks ]

(d) Discuss the rinderpest disease under the following headings:
(i) two farm animals affected;
(ii) causative agent;
(iii) two symptoms;
(iv) one mode of transmission;
(v) one preventive measure. [ 6 marks ]

View Answer & Discuss
2079

(a) State four reasons why the prices of most agricultural produce are unstable in West
Africa. [ 4 marks ]

(b) Explain the following agricultural extension methods:
(i) method demonstration;
(ii) agricultural shows. [ 4 marks ]

(c) Discuss the cercospora leaf spot disease under the following headings:
(i) crop affected;
(ii) causative agent;
(iii) mode of transmission;
(iv) two symptoms;
(v) one preventive measure. [ 6 marks ]

(d) State four advantages of selection as a method of crop improvement. [ 4 marks ]

View Answer & Discuss
2080

(a) In a tabular form, state five differences between subsistence and commercial agricuiture (5marks)

(b) Suggest two possible solutions to each of the following problems of agricultural development an West Africa (i) Inadequate land (ii) Inadequate finance (iii) Incidence of diseases (6 marks)

(c) What is agricultural ecology? (2 marks)

(d) State five sources of pollution of agricultural lands and fish ponds. (5marks) 

View Answer & Discuss