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

1

(a) ldentify specimens O, P, Q, and R.

Specimen O;                 Specimen P;              Specimen Q;          Specimen R;

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(b) Name three external features you can observe on specimen O

(c) State two functions of each of specimens Q and R to the animal which possesses them.

(d) Mention one common disease associated with specimen O and state one control measure of the disease

(e) Name one parasite which may be found attacking each of specimens P and R.

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2

(a) ldentify specimens K, L, M, and N

Specimen K;         Specimen L;                 Specimen M:         Specimen N;

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(b) Give two similarities and three differences between specimens Kand L.

(c) To which group of crops does specimen M belong?

(d) State the method of propagation for each of specimens K, L, M, and N.

(e) Name one pest of specimen M and state two methods of its control.

(f) Name one fungal disease of specimen K

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3

(a) ldentify specimens G H, l, and J.

Specimen G;           Specimen H;              Specimen I;                       Specimen J;

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(b) State three factors that determine the population of specimen G in farmland.

(c) State four reasons why each of specimens G and l is important in agriculture.

(d) State two control measures of specimen I on a farm.

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4

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

Specimen A;      Specimen B,          Specimen C;              Specimen D;     Specimen E;     Specimen F;

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(b) State one use of each of the specimens in agriculture.

(c) State two maintenance practices for each of specimens D, E, and F.

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5

Explain the following terms: (a) salvage value (b) farm inventory (c) farm assets (d) point of diminishing return (e) depreciation.

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6

(a) Explain briefly each of the following types of credits in agricultural production: (i) short term credit (ii) mediunfo term credit (iii) long term credit.

(b) (i) List four sources of agricultural credit. (ii) Explain briefly four reasons why farmers find it difficult to get loans from banks

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7

Explain briefly four of the following terms in animal production (a) oestrus cycle (b) heat period (c) gestation period (d) parturition (e) colostrum.

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8

Differentiate between the digestive systems of the sheep and poultry. Illustrate your answers with clearly labelled diagrams.

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9

(a) Define the term hybridization (b) State five aims of crop improvement. (c) Describe a monohybrid cross as explained by Mendel’s Law of segregation. Illustrate your answers with clearly labelled diagrams.

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10

Write short notes on four of the following: (a) deforestation (b) regeneration (c) afforestation (d) selective exploitation (e) Taungya system.

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11

(a)(i) State six uses of lime in Agriculture (ii) List four common liming materials

(b) State (i) Three examples of nitrogenous fertilizer: (ii) three examples of a phosphorous fertilizer

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12

(a) (i) Define weathering (ii) State two types of weathering 

(b) Discuss briefly four factors which influence weathering

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13

Discuss briefly four sources of farm power

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14

Discuss briefly the essential features of the following (a) communal land tenure (b) individual land tenure and their effects on Agriculture

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15

Dissemination of new ideas and techniques to farmers can only be effective if the agricultural extension officer

  • A. works with existing community organisation and local leaders
  • B. gives only financial support to the farmers
  • C. stays only in the village where the farmers live
  • D. gives farmers all the equipment they need to work with
  • E. supplies farmers with input only
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16

Commodity boards were responsible for the marketing of the following crops except

  • A. grains
  • B. cocoa
  • C. yams
  • D. palm produce
  • E. groundnut
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17

The difference between the total assets and total liabilities of a farm enterprise within a specified period before taxation is known as

  • A. net profit
  • B. liability
  • C. current asset
  • D. gross profit
  • E. networth
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18

Farm financing may be obtained from the following except

  • A. commercial banks
  • B. agricultural insurance scheme
  • C. mortgage banks
  • D. agricultural and co-operative bank
  • E. savings and thrift societies
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19

When granting loans to farmers, the credit officer should consider mostly the

  • A. age of the farmers
  • B. consumption needs of the farmers
  • C. family size of the farmers
  • D. production and essential need of the farmers
  • E. experience of the farmers
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20

The following are functions of farm manager except

  • A. planning farm programme of work
  • B. co-ordinating the farm activities
  • C. organising sales of farm products
  • D. controlling farm workers
  • E. planting crops and vegetables
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21

Progeny selection involves selection of breeding stock on the basis of

  • A. feed conversion efficiency of the parents
  • B. sire-dam relationships
  • C. merits of the dam only
  • D. merits of each animal
  • E. performance of offspring
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