(a) Give two examples of each of the following classes of crops:
(i) roots and tubers;
(ii) oil crops;
(iii) grain legumes;
(iv)cereals.
(b) State five differences between the digestive system of a goat and a chicken.
(c) Give five reasons why farmers keep records.
(a) Explain briefly two types of soil water.
(b) State four management practices carried out during the brooding of chicks.
(c) Complete the table below on diseases of farm animals.
Disease |
Causal organism |
Vaccine/drug administered |
|
Marek’s disease |
(i) |
(ii) |
|
(iii) |
(iv) |
NDV La Sota |
|
Coccidiosis |
(v) |
(vi) |
|
Anthrax |
(vii) |
(viii) |
(a) Discuss the cultivation of maize under the following headings.
(i) soil requirements;
(ii) method of propagation;
(iii) spacing;
(iv) weed control;
(v) two fungal diseases;
(vi) harvesting.
(b) Describe each of the following farm records:
(i) production record;
(ii) farm inventory;
(iii) cash book;
(iv) labour record
(a) State four characteristics of igneous rocks. .
(b) The table below illustrates the combined demand and supply schedule for maize.
Use it to answer the questions that follow.
|
Price |
Quantity of maize demanded |
Quantity of maize supplied (kg) |
|
20 |
50 |
340 |
|
16 |
70 |
300 |
|
12 |
125 |
250 |
|
8 |
200 |
200 |
|
4 |
350 |
130 |
(i) Draw the demand and supply curves to show the equilibrium price of maize.
(ii) Determine the excess demand for maize at a unit price of ₦4.
(iii) Determine the excess supply for maize at a unit price of ₦12.
The diagram below illustrates an experimental set-up on soil. Study it and answer the questions that follow.
a) (i) State the aim of the experiment.
(ii)Name the parts labelled I and II in the diagram.
b) Describe how the experiment is carried out.
c) State four properties of sandy soils.
d) Describe a test for soil acidity using litmus paper.
