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THEORY QUESTIONS

WAEC SYLLABUS

1. Which of the following statement best describes commercial farming?

A. Production of plants and animals for family consumption

B. Large scale agricultural production for sale.

C. Large scale agricultural production for family consumption

D. Use of family labor for large scale agricultural production.

2. Which of the following problems are associated with agricultural marketing in West Africa? I. Seasonality of produce II. Transportation of produce III. Access to credit

A. I and II only

B. I and III only

C. II and III only

D. I, II, and III

3. An advantage of communal land tenure system is that it

A. encourages use of land for permanent project by individuals.

B. makes land cheap to acquire.

C. leads to fragmentation

D. does not promote farm mechanization.

4. Which of the following implements is used for primary tillage?

A. Ridge

B. Cultivator

C. Plough

D. Harrow

The diagram below illustrates the use of a farm machinery.

Study it and answer question 5

ANSWERS

5. A period maintenance activity carried out on the illustrated farm machinery is

A. checking the radiator water

B. checking of tyre pressure

C. changing of engine oil

D. cleaning after use

6. A disadvantages of farm mechanization is

A. efficiency in farming

B. displacement of farm workers

C. reduction in health hazards

D. timeless of farm operation

7. Calculate in hectares the area of a rectangular farmland with dimension 50m by 25m

A. 125 ha

B. 12.5 ha

C. 1.25ha

D. 0.125 ha

8. The practice of measuring and mapping out the size, position and boundary of a farmland is called farm

A. layout

B. business

C. surveying

D. tillage

9. Which of the following statement about land is not correct?

A. Its supply is limited

B. It is used for agricultural production

C. It is subject to depreciation

D. it can be relocated.

10. A socio – cultural factor affecting land availability is

A. soil type

B. religion

C. topography

D. mining

ANSWERS

11. A biotic factor affecting agricultural production is

A. rainfall

B. predator

C. humidity

D. temperature

12. Which of the following groups of organism are parasitic plants?

A. Nematode fungus and bacterium

B. Stinga, nematode and dodder

C. Dodder, fungus and striga

D. Mistletoe, fungus and bacterium.

13. The type of rock formed from accumulation of material transported by water is called

A. sedimentary rock

B. igneous rock

C. metamorphic rock

D. plutonic rock

14. A fresh garden soil sample weighed 25kg. when oven-dried, its weight reduced to 20 kg. calculate the percentage moisture content of the soil sample.

A. 0.5%

B. 12.5%

C. 20.0%

D. 25.0%

15. Which of the following mineral element essential for chlorophyll formation?

A. Calcium

B. Boron

C. Sodium

D. Magnesium

The diagram below illustrates a soil profile. Study it and answer question 16.

ANSWERS

16. The soil horizon that is not supportive of the growth of tree crops is

A. horizon A

B. horizon B

C. horizon C

D. horizon D

17. Liquid fertilizer and pesticide could be applied through

A. furrow irrigation

B. channel Irrigation

C. sprinkler Irrigation

D. shifting Irrigation

18. In a crop rotation system, it is usually preferred that cassava comes last in the rotation because it

A. adds nitrogen to the soil

B. is a shallow feeder

C. is a deep rooted crop

D. is a perennial crop.

19. The growing of only one crop on a piece of land from year to year is known as

A. mixed cropping

B. crop rotation

C. monoculture

D. shifting cultivation

20. In green manuring, crop are ploughed into soil just before flowering in order to

A. control soil pathogens

B. enrich the soil nutrients

C. control erosion

D. increase the soil temperature

ANSWERS

21. Corns, rhizomes and tubers are example of

A. underground root

B. underground stems

C. aerial stems

D. modifies leaves

22. Which of the following statement is not a reason for building? The resulting plants

A. can withstand adverse climatic conditions

B. flower and fruit early

C. are more disease resistant

D. develop broader leaves for photosynthesis.

23. Which of the following statement are advantages of mulching? It I. control weeds. II. Conserves soil moisture III. Increase soil temperature. IV. Reduce soil pH.

A. I and II

B. I and III

C. II and IV

D. III and IV

24. A planting material used in propagating plantain is the

A. crown

B. pepper

C. slip

D. leaf

25. If maize seed is sown at a spacing of 1000cm x 50cm, determine the expected maize plant population per hectare.

A. 40,000

B. 20, 000

C. 5,000

D. 2,000

ANSWERS

26. Protective functions of forest include the following except

A. soil conversation

B. serving as windbreak

C. purification of air

D. source of firewood

27. The growing of both trees and arable crops on the same piece of land is

A. ley farming

B. mixed farming

C. forestry

D. taungya system

28. Sexual propagation of omamental plants involves the use of

A. stems

B. seeds

C. suckers

D. rhizomes

29. The vector of leaf curl disease of cotton is

A. grasshopper

B. termites

C . thrips

D. white fly

30. A major storage pest of cereals in West Africa is

A. stem borer

B. weevil

C. bird

D. army worm

ANSWERS

31. Biological control of insect-pests of crops is carried out through

A. crop rotation

B. use of predators

C. use of pesticide

D. farm sanitation

32. During the production of palm oil, the oil palm fruits are boiled in order to

A. harden the kernel

B. prevents high level of oil rancidity.

C. extracts oil from the palm fruit.

D. separate mesocarp from endocarp

33. Which of the following breeds of cattle is exotic?

A. Sokoto Gudali

B. Ndama

C. Friesian

D. Muturu

Study the diagram below and answer question 34 and 35

ANSWERS

36. Which of the following hormones is responsible for oestrus in farm animals?

A. Oxytocin

B. Oestrigen

C. Prolactin

D. Progesterone

37. In animal production, immature spermatozoa are stored in the

A. urethra

B. scrotum

C. epididymus

D. prostate gland

38. The least important factor for successful incubation of eggs is

A. light

B. temperature

C. ventilation

D. humidity

39. A wallow should be provided in the pen of pigs in order to

A. reduce the feed intake of pigs

B. increase the water intake of pigs

C. enables the pigs to swim.

D. cools the temperature of pigs

The data for feed consumption and weight gain of four farm animal labeled

P, Q, R and S are shown below.

Use the data to answer questions 40 and 41.

P: 50kg feed consumed and 20kg weight gained.

Q: 90kg feed consumed and 30kg weight gained.

R: 100kg feed consumed and 25kg weight gained.

S: 150kg feed consumed and 30kg weight gained.

40. Which of the animal is the most efficient feed converter?

A. P

B. Q

C. R

D. S

ANSWERS

41. The feed conversion efficiency of the poorest weight gainer is

A. 0.40

B. 0.33

C. 0.25

D. 0.20

42. Bone meal is usually included in the diet of livestock to supply

A. calcium and phosphorus

B. calcium and iodine

C. phosphorus and iron

D. magnesium and sodium

43. Which of the following statement about inbreed in farm animals is /are false? I. inbred animals reach market weight early II. Inbred animal have reduce vigor III. Inbreeding increases the occurrences of undesirable trait

A. I only

B. II

C. I and II

D. I and III

44. Which of the following parasites may be found in the gut of livestock?

A. Tick

B. Flea

C. Roundworm

D. Louse

45. Vegetative growth in fish ponds

A. makes fish movement easy

B. regulates water acidity