Agricultural Science JAMB, WAEC, NECO AND NABTEB Official Past Questions

The diagram below illustrates the reproductive system of a cow

(a) Name the parts labelled A to J in the diagram

(b) Give the gestation period (in days) of the following animals
(i) Cow
(ii) Sow
(iii) Ewe
(iv) Rabbit (doe)

(c) Describe briefly three methods of management care in ensuring the survival of a newborn calf

Study the weed plants illustrated by the diagrams below and use them to answer the following questions;

(a) ldentify the weeds, illustrated as I, Il, Ill, and IV by their common and botanical names.

(b)(i) State the agents of dispersal of the seeds / fruits of weeds represented by diagrams l and III.
(ii) Describe one characteristic of the seeds which aid the dispersal of the weeds illustrated by diagram I and llI

(c) Name the parts labelled A to H.

(d) Give three reasons why the weed represented by diagram IV is Difficult to Control.

The diagram illustrates a pH scale.

(a) Comment on the pH status of a sample of soil as indicated by the reading of the pointer.

(b) State three factors responsible for alkalinity in the soil.

(c) Mention three factors responsible for acidity in the soil

(d) State two corrective measures of removing alkalinity in the soil.

(e) List five liming materials.

The diagram below illustrates a spring tined cultivator or harrow

(a) For what type of farm operation is the implement used?

(b) Name the implement used:
(i) before the spring tined harrow is required;
(ii) after its operation.

(c) Explain how the vertical stalk helps the tine to overcome the obstruction.

(d) State five maintenance methods for the implement

(e) After the cultivator has worked on the soil, what changes will occur in the following:
(i) soil structure
(ii) soil texture

a) Describe five factors required for establishing a fish pond (b) Enumerate six management practices for maintain-rig high fish yield

Define farm records and farm accounts. (b) Give seven reasons for keeping such records.

(a) What is meant by agricultural extension ? (b) Discuss briefly how the following can be used disseminating new idea and techniques to farmers in Nigeria. (i) mass media; (ii) individual method; (iii) group method

Discuss rinderpest disease of livestock under the following sub-headings: (a) Causal organism; (b) Transmission c) Symptoms (d) Effects and economic importance (e) Control 

Write short notes on the following: (a) Selective exploration; (b) Deforestation; (c) Regeneration (d) Afforestation 

Describe briefly the economic importance and the control measures of the following: (a) Stem borers of cereal, (b) Grain weevils of stored produce: (c) Cotton stainer; (d) Cassava mealy bug

(a) Distinguish between irrigation and drainage (b) State and explain four systems of irrigation and two of drainage.

 (a) What is weathering ?

(b) Enumerate three processes involved in rock weathering

(c) List and discuss briefly the agents of two of these processes

Write short notes on the following sources of farm power:(a) Work animals; (b) Machine engines, (c) Water (d) Sun

 List and explain the four major systems of land tenure in Nigeria.

Most farmers in Nigeria are hesitant in adopting new farming techniques because they

Which of the following is a day-to-day record of work on a farmer’s farm?

Farm credits given to farmers can be only in form of

The following are factors of agricultural production except

the factors that can predispose animals to diseases include the following except

Which of the following is not used for identification purpose in livestock?

Low fibre and high energy feeds are classified as