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AGRICULTURAL SCIENCE 2023 UTME PAST QUESTION

1. The storage structure usually installed by the government for bulk storage of grain in West Africa is

A. Bin
B. Crib
C. Silo
D. Rhombus

2. Rural-urban migration of farm labor could be prevented by

A. Increasing the size of farmland for cultivation
B. Employing more extension agents for farmers.
C. Increasing the cost of acquiring farmland
D. Establishing agro-based industries in villages.

3. The farming system generally recommended for farm settlement scheme is

A. Mixed cropping
B. Pastoral farming
C. Mixed farming
D. Continuous cropping

4. The part of a disc plough to which discs are connected is

A. Scraper
B. Beam
C. Furrow wheel
D. Standard

5. A combing harvester is mainly used for harvesting

A. Groundnut
B. Pepper
C. Rice
D. Tomato

The diagram below illustrates different sources of farm power. Study them and answer question 6, 7 and 8.

6. Which of the illustrated sources of farm power is the cheapest?

A. I
B. II
C. III
D. IV

7. The machinery illustrated in diagram III could be used to power I. Planters II. Dryers III. Sprayers

A. I and II only
B. I and III only
C. II and III only
D. I, II and III

8. Which of the illustrated sources of farm power decreases in efficiency due to constant use?

A. I and II only
B. I and III only
C. II and III only
D. I, II and III

9. High relative humidity in a brooder house could lead to

A. Heat stress
B. Reduced feed intake
C. Production of dry litter
D. Buildup of pests and diseases

10. Day-neutral crops are that produce flowers regardless of

A. Extremely low temperature
B. Day length being longer than the length of night
C. Extremely high temperature
D. Amount of sunlight received by flowering plants

11. Which of the following tools are used in soil analysis? I. pH meter II. Sieve III. Hygrometer

A. I and II only
B. I and III only
C. II and III only
D. I, II and III

12. If 200 ml of water was poured on a soil sample in a beaker and 25% of the water drained through the soil, determine the amount of water retained in the soil.

A. 25 ml
B. 50 ml
C. 150 ml
D. 175 ml

13. Soil structure is described as the

A. Proportion of different sizes of soil particles
B. Degree of soil aeration within the soil
C. Arrangement of soil particles into aggregates
D. Degree of water percolation within the soil

14. A beneficial effect of bush burning is that it

A. Increases the population of soil micro-organisms
B. Encourages the regeneration of grasses
C. Increases the organic matter of soil
D. Replenishes oxygen in the atmosphere

The diagram below illustrates a method of compost making. Study it and answer question 15, 16 and 17.

15. The method of compost making illustrated in the diagram is

A. Heap
B. Bin
C. Pit
D. Sheet

16. The part labeled I is used for

A. Turning the compost materials
B. Checking the decomposition rate
C. Stacking the compost materials
D. Hastening the fermentation rate

17. A material that could be used as starter in the method of compost making illustrated is

A. Blood
B. Ash
C. Straw
D. Urine

18. The bacterium which is responsible for conversion of ammonium compounds to nitrites in the nitrogen cycle is

A. Azotobacter
B. Rhizobium
C. Nitrosomonas
D. Nitrobacter

19. Which of the following statements about underground drainage is true?

A. Ditches are constructed to remove excess water
B. Water seeps into tiles to reach an outlet where it is discharged
C. Ditches are dug from a source of water to the farmland
D. Furrows are constructed to direct water out of the farmland

20. Monocotyledonous crops are characterized by

A. Net-veined leaves
B. Tap-root system
C. Parallel-veined leaves
D. Woody stems and branches

21. Maceration is carried out in the processing of

A. Cocoa
B. Cotton
C. Oil palm
D. Paddy rice

22. If the seed rate for the cultivation of cowpea is 25kg per hectare, determine the quantity of cowpea seeds required to cultivate a farmland measuring 100m by 500m

A. 50kg
B. 125kg
C. 250kg
D. 1,250kg

23. Which of the following crops require a nursery?

A. Soya bean
B. Cotton seed
C. Yam
D. Rubber

The diagram below illustrates a farm operation. Study it and answer questions 24 and 25.

24. The illustrated farm operation is known as

A. Threshing
B. Milling
C. Winnowing
D. Shelling

25. Example of crops which require the illustrated from operation are

A. Cowpea, millet and okro
B. Pepper, rice and cowpea
C. Rice, groundnut and millet
D. Maize, pepper and tomato

26. The reduction of three seedling of maize to two plants per stand is referred to as

A. Pruning
B. Thinning
C. Rogueing
D. Weeding

27. Seedling are best transplanted in the filed

A. Late in the morning and late in the evening
B. At midday and at dusk
C. Early in the morning and late in the evening
D. Early in the morning and midday

28. Which of the following combinations of NPK fertilizer recommended for the cultivation of yam and cassava?

A. 10:10:10
B. 10:10:20
C. 20:10:10
D. 20:10:10

29. Post-planting operation in cocoa plantation include I. rogueing II. Stumping III. Mulching

A. I and II only
B. I and III only
C. II and III only
D. I, II and III

30. Examples of cover crops are

A. Centrosema pubescens and mucuna utilis
B. Calopogonium mucunoides and gliricidia sepium.
C. Moringa oleifera and imperata cylindrical
D. Panicum maximum and pennisetum purpureum

31. Which of the following product is not a primary forest product?

A. Timber
B. Pulp
C. Fuelwood
D. Mushrocom

32. A major reason for encouraging afforestation in arid region of West Africa is to

A. Increase timber production for export
B. Provide shade for crops in taungya farming
C. Serves as windbreak to check desert encroachment
D. Serve as forest reserve for wildlife conservation

33. Ornamental plant are primarily cultivated to

A. Serve as raw material
B. Provide fodder for livestock
C. Serve as mulching materials
D. Beautify the environment

34. Cotton stainer is an insect pest of

A. Onion
B. Pepper
C. Okro
D. Carrot

35. The number of teats in the udder of a cow is

A. Two
B. Four
C. Six
D. Eight

The diagram below illustrates a method of reproductive process in a farm animal. Study it and answer question 36, 37 and 38

36. The reproductive process illustrated by the diagram is

A. Heat
B. Ovulation
C. Lactation
D. Gestation

37. The part which protect the foetus from mechanical injury are labeled

A. I and II
B. I and III
C. II and III
D. II and IV

38. The foetus obtain dissolved oxygen and nutrient from the damn through the part labeled

A. I and II
B. I and III
C. II and III
D. II and IV

39. Assuming a sow was serviced on May 1 and conceived the same day the expected date of parturition is

A. June 2
B. August 24
C. October 2
D. September 30

In a poultry farm, 2000 birds were laying an average of 1,680 eggs per day. Use this information to answer question 40 and 41.

40. What is the percentage of birds that did not lay eggs?

A. 16%
B. 19%
C. 46%
D. 84%

41. If an egg tray contains 30 eggs, how many tray of eggs will be collected in one week?

A. 240
B. 286
C. 392
D. 526

42. Steaming up ration should be fed to

A. Breeding female animals
B. Weaned young animals
C. Lactating animals
D. Pregnant animals

43. Which of the following pairs of live-stock diseases could be contracted through inhalation?

A. Anthrax and tuberculosis
B. Newcastle disease and aspergillosis
C. Coccidiosis and rinderpest
D. Gumboro and brucellosis

44. Which of the following farm enterprise could best be combined with fish farming for mutual benefits? I. Vegetable production II. Beekeeping III. Poultry production

A. I and II
B. I and III
C. II and III
D. I, II and III

45. A pest of honeybee is

A. Tick
B. Grasshopper
C. Lizard
D. Bird

Study the table below and use it to answer question 46 and 47.

Cost
Price
(#)
Useful
Life
(Years)
Salvage
Value
(#)
Annual
Depreciation
(#)
Total
Depreciation
(#)
20,000 Y 5,000 1,000/annum 15,000
60,000 10 18,000 4,200/annum Z

46. The useful life represented by Y in the illustrated table is

A. 3 years
B. 4 years
C. 15 years
D. 20 years

47. The total depreciation represented by Z in the illustrated table is

A. #22,200
B. #42,000
C. #55,800
D. #78,000

48. Grading of farm produce is important because it

A. Maintains produce quality
B. Prolongs storability
C. Facilitate transportation
D. Facilitates pricing

49. The risk of production in agricultural business is borne by the

A. Farm assistant
B. Farm labor
C. Farm owner
D. Farmer’s family

50. In order to backup extension messages, and extension agent should

A. Procure agricultural loans for farmers
B. Provide marketing channels for farmers
C. Assist farmers in locating sources of farm inputs
D. Provide modern machines to farmers