Home ยป Past Questions ยป Agricultural-science ยป Waec ยป 1990
1

Study the methods of restraining animals labelled I -IV as illustrated by the diagrams below and use them to answer questions (a) – (d)

   

(a) Describe briefly the effect of each type of restraining method on farm animals.

(b)(i) State when each of the restraining methods is required in animals.
(ii) Give one reason why an animal restrained using method ll will take instruction from the herdsmen.
(iii) Which of the restraining methods is most suitable for drenching an animal.

(c) State three reasons why it is necessary to restrain farm animals.

(d) If an animal is to be given 50ml streptomycin for curative treatment per week, how many weeks will it take the animal to complete a 250ml dose of streptomycin?

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2

The diagram below represents the cross-section of citrus fruit. Study it carefully and use it to answer the following questions.

(a) ldentify the fruit

(b) What type of fruit is it?

(c) Name the parts labelled A to D.

(d) State three varieties/cultivars of the citrus.

(e) State;
(i) The method of propagation
(ii) Maturation period of the citrus.

(f) List (i) two diseases and
(ii) two pests of the citrus.

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3

Study the experimental setups illustrated by diagrams I and II below and use them to answer questions (a) – (e)

(a) State the major differences between the experimental set-ups illustrated by diagrams I and Il.

(b) State the aim of the experiment being demonstrated as illustrated in diagrams I and Il.

(c)(i) What will happen to the lime water at the end of the experiment illustrated by diagrams I and II
(ii) Give reason(s) for your answer in (c)(i).

(d) What conclusion could be derived from the experiment?

(e) Explain three ways in which your conclusion in (d) is important to the soil.

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4

Study the diagram below and use it to answer Questions (a) – (d)

(a) ldentify the farm implement illustrated by diagram above

(b) Describe briefly how the farm implement operates.

(c)(i) Name the part labelled A – D in the diagram  

(d) State three ways of maintaining the farm implement.

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5

(a) Explain the meaning of agricultural finance and agricultural credit. (b) Name six sources of agricultural credit available to the small-scale farmer (c) Mention six problems associated with agricultural credits.

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6

Enumerate eight functions of an extension agent in the life of a rural farmer

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7

Explain how each of the following practices can bring about high yield from a fish pond: (a) deweeding: (b) desilting (c) supplementary feeding (d) fertilization.

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8

(a) What is rangeland ? (b) Discuss seven practices of management and improvement of rangeland

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9

(a) State the laws of Mendel (b) Discuss three advantages and two disadvantages of: (i) introduction-, (ii) selection in crop improvement

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10

In a tabular form, discuss cocoa, yam and millet production under the following sub-headings: (a) climatic requirement; (b) soil requirement; (c) cultural practices; (d) method of propagation.

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11

(a) Explain the term soil structure and state its importance in agriculture. (b) State four properties each of clay and sandy soil. 

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12

(a) Mention two major elements of climate. (b) Discuss six ways by which climate and vegetation influence soil formation 

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13

a) i) What Is farm surveying ? (ii) Outline the importance of farm surveying. (b) List and discuss four survey equipment commonly used in the farm.

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14

Discuss eight problems of agricultural development in Nigeria and suggest one possible solution to each of the problems

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15

Agricultural extension programme would succeed in disseminating new ideas to farmers except if the programme

  • A. is based on research tested on local conditions
  • B. involves the people for which the programme is planned
  • C. involved only the support to highly trained agricultural extension specialist
  • D. is not kept flexible to contemporary technology
  • E. is based on planned agricultural programmes
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16

The disbanded produce marketing boards in Nigeria dealt with the following commodities except

  • A. oil palm
  • B. rubber
  • C. cocoa
  • D. groundnut
  • E. yam
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17

Farm records and account help the farmer to

  • A. manage his farm as a business
  • B. repair his tools and machinery
  • C. transport his crop to the market
  • D. be less dependent on farming for an income
  • E. adopt modern techniques of farming
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18

Agricultural credits given to farmers in form of cash are used by the farmer to

  • A. disseminate the lastest technique in farming
  • B. implement new policies
  • C. investigate the cause of low agricultural production
  • D. make the total cash value of his crops greater than his expenses
  • E. pay for expenses in his farming business
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19

Under normal circumstances, the concept of consumer sovereignty in agriculture implies that

  • A. the consumer and not the farmer determines what to produce
  • B. both the farmer and the consumer determine what to produce
  • C. the consumer and not the farmer owns the means of production
  • D. the environmental factors determine what to produce
  • E. the farmer determines what to produce
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20

Investments with long life span in agricultural economics are otherwise known as

  • A. labour
  • B. entrepreneurship
  • C. savings deposit
  • D. profit
  • E. capital
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21

Which of the following is not a quality for selecting livestock?

  • A. feed consumption
  • B. egg production
  • C. mortality rate
  • D. body weight
  • E. litter size
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