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

1

(a) Identify specimens N and O provided, and P represented by the diagram.

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(b) Name three animal hosts of each of specimens N, O, and P.

(c) Describe three damages done on their host by each of specimens N, O, and P.

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2

(a) ldentify specimen J, K, L, and M.

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(b) Name the organism which causes the damage observed on each of specimens J, K, L, and M.

(c) State two possible effects of the damage done to specimen J on the farmers.

(d) Describe: (i) Two methods of controlling each of the organisms causing damage to specimens J and K.
(ii) One method of controlling each of the organisms causing damage to specimens L and M.

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3

(a) Classify soil samples G, H and I provided into neutral, acid, and alkaline soil

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(b) Outline briefly the procedure used in classifying the soil samples.

(c)(i) At what PH range is a soil said to be acidic?
(ii) State three adverse effects of soil acidity on soil reaction and plant growth.

(d) Mention one crop that does well in each of the soil types G, H, and I

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4

(a). Identify specimens A, B, C, D, E, and F

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(b) State two uses of each of specimens A, B, C, E, and F.

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5

(a) What is Agricultural Extension? (b) Enumerate seven roles of an Agricultural Extension Worker.

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6

(a) (i) Explain marketing in agriculture. (ii) Mention five stages involved in marketing agricultural produce (b) Describe briefly four agents of marketing

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7

(a) List ten tools or equipment used in a dairy cattle farm.

(b) Name three harmful contaminants of milk in a dairy farm.

(c) Explain briefly three precautions which must be taken in order to obtain or produce clean milk

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8

In a tabular form, state: (a) four food nutrients in livestock production: (b) two sources of each food nutrient stated in (a); (c) two functions of each nutrient stated in (a)

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9

(a)Give two examples of crops belonging to each of the following groups of crops (i) cereals; (ii) roots and tubers, (iii) legumes; (iv) vegetables; (v) fruits; (vi) beverages; (vii) fibres: (viii) oil crops.

(b) Discuss briefly the production of tomato under the following heading: (i) sowing method; (ii) transplanting: (iii) varieties; (iv) harvesting

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10

 (a) Discuss briefly the rosette disease of groundnut under the following headings: (i) causal organism: (ii) symptoms  (iii) method of transmission; (iv) damage done (v) preventive and control measures.

(b) Assuming the spacing of a g vegetable crop per stand is 30 cm x 30 cm, calculate the plant population expected in a portion of land measuring 60 m x 30 m

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11

(a) (i) Explain the term surface drainage. (ii)List three disadvantages of surface drainage

(b)(i) Define irrigation. (ii) State two aims of irrigation. (iii) List five problems associated with irrigation.

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12

With the aid of a labelled diagram, describe briefly the nitrogen cycle.

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13

Write short notes on each of the following: (a) tractors; (b) incubators; (c) sprayers, (d) shelters

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14

(a) List six problems of agricultural development in Nigeria

(b) State five possible solutions to the problems of agricultural development listed in (a).

(c) Explain five ways in which inadequate storage and processing facilities have affected agricultural development in Nigeria.

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15

Which of the following is not a method or agent of disseminating agricultural information?

  • A. individual contact
  • B. agricultural programmes
  • C. marketing channels
  • D. agricultural finance
  • E. co-operative societies
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16

Farm-gate price is usually obtained through

  • A. the producer
  • B. middlemen
  • C. commodity boards
  • D. co-operatives
  • E. wholesalers
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17

The loss in value of an asset due to wear and tear in the course of its use is known as

  • A. depreciation
  • B. salvage value
  • C. appreciation
  • D. net worth
  • E. evaluation
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18

The major difference between loan and subsidy is that

  • A. subsidy is repayable while loan is not
  • B. both cannot be available to the farmer at the same time
  • C. loan is provided by government only while subsidy is not
  • D. subsidy is expensive to obtain but loan is not
  • E. loan is repayable while subsidy is not
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19

The quantity of rice that an individual is able to buy during a given period of time is simply the individual’s

  • A. supply of rice
  • B. demand for rice
  • C. elastic limit for rice
  • D. performance for rice
  • E. purchasing power
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20

Land in agricultural business is said to be a dural asset. This means land

  • A. value is realized over several years
  • B. will yield nothing except through cropping
  • C. can be generated through reclamation
  • D. can only be used for a short period of time
  • E. is much more valuable tham labour and capital
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21

Which of the following characteristic is not normally considered in the selection of animal for breeding?

  • A. fertility
  • B. growth rate
  • C. resistance to disease
  • D. milk quality and quantity
  • E. horn size
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