CABAX INTERNATIONAL SCHOOLS

THIRD TERM
SUBJECT AGRICULTURAL SCINECE CLASS: S. S. S 2

1. Which of the following statements is not a reduces leaching of soil nutrients (d)
reason for providing tractor-hiring services improves soil water holding capacity.
to farmers? To (a) encourage farm 10. Which of the following statements describe
mechanization (b) increase the area of land an advantage of underground drainage? it
to be cultivated (c) increase the cost of (a) allows for free movement of farm
production (d) boost food production machinery (b) checks the growth of weeds
2. The land tenure system which involves the (c) improves soil texture (d) increases
outright purchase of land is (a) leasehold organic matter content of soil
(b) communal (c) freehold (d) inheritance 11. Which of the following crops is usually
3. Which of the following devices is not a classified as a vegetable? (a)
tractor – coupled implement? (a) plough (b) Lycopersiconesculentum(b) Ananas sativa
Sheller (c) ridger (d) harrow (c) HeveaBrasiliensis (d) Theobroma
4. Which of the following statements is not Cacao.
true of electrical power? it (a) can be 12. A groundnut variety produces a steady seed
generated from solar energy (b) is the yield of 350kg per hectare. What will be the
cleanest source of farm power (c) can yield of the variety on a 10-hectare farm?
perform farm work on its own (d) is capital (a) 35kg (b) 350kg (c) 3.500kg (d) 7.000kg
intensive 13. Which of the following plants is not a
5. The survey equipment used for measuring pasture grass? (a) Pennisetumpurpureum
angular distance is (a) offset staff (b) (b) Axonopuscompressus (c)
measuring tape (c) ranging pole (d) stylosanthesgracilis (d) Panicum maximum.
prismatic compass 14. One advantage of cross breeding is that the
6. which of the following is an example of (a) offspring resemble the recessive parent
igneous rock (a) basalt (b) dolomite (c) (b) yield of the offspring may not be
limestone (d) Marble comparable to those of the parents (c)
7. The chemical composition of soil is mostly offspring perform better that the average
influenced by (a) climate (b) time (c) of the parents (d) offspring cannot survive
topography (d) Parent material adverse environmental conditions.
8. Which of the following practices does not 15. Ornamental plants are commonly used for
replenish lost soil nutrients? (a) crop the following purposes except (a) for
rotation (b) fallowing (c) liming (d) bush exterior decorations (b) as sources of
burning perfumes (c) provision of shade (d) as
9. The use of inorganic fertilizer is preferable bedding materials for animals
to organic manure because inorganic 16. Hibiscus and croton are example of (a)
fertilizer (a) improves soil structure (b) ground covers (b) hedge plants (c) lawn
releases nutrients to the soil faster (c) plants (d) avenue trees.
1
17. A disadvantage of vegetative propagation 26. Farm mechanization does not (a) involve
is the (a) plants are true to type (b) fruits the use of motorized equipment (b) require
are small in size (c) plants take a long time much capital (c) promote employment (d)
to mature (d) diseases are easily involve the use of heavy equipment
transferred to offspring 27. Farm surveying equipment include the
18. An effective method of preventing viral following except (a) Abney level (b)
diseases in crops by (a) treating the seeds compass (c) gunter’s chain (d)spade
with fungicides (b) practicing crop rotation 28. Organisms which may be beneficial to
(c) regular spraying of crops (d) planting crops include (a) nematodes (b) bacteria
resistant varieties (c) viruses (d) protozoa
19. A groundnut plant showing stunted growth 29. Soil profile is important in agriculture
with yellow or mottled leaves is likely to because it (a) determine the soil catena (b)
be infected with (a) blight (b) tikka (c) determines the type of land tenure system
rosette (d) anthracnose (c) given indication of the type of crops to
20. A cultural method used in controlling grow (d) promotes the weathering of rocks
chewing illustrated is insect pest is (a) 30. A soil sample with a PH of 4.5 is said to
spraying with insecticides (b) hand be (a) acidic (b) alkaline (c) natural (d)
pulling of weeds (c) fumigation of store fertile.
(d) early planting 31. If a farmer continuity applies sulphate of
21. Vitamin K is deficiency in farm animals ammonia to his farmland for many years.
causes (a) night blindness (b) sterility in The resultant soil solution is most likely
both sexes (c) delayed blood clothing (d) to (a) leave blue litmus paper unchanged
delayed ovulation (b) change blue litmus paper to red (c)
22. Complete eradication of tsetse flies will be change red litmus paper to blue (d) be
an effective control measures for (a) rick in soil microbes
aspergillosis (b) trypanosomiasis (c) fowl 32. Application of water to the subsoil
pox (d) swine fever. through perforated pipes is known as (a)
23. Which of the following farm documents is flooding irrigation (b) subsurface
usually prepared at the end of the year? (a) irrigation (c) sprinkler irrigation (d)
farm budget (b) labour record (c) farm overhead irrigation
inventory (d) profit and loss account 33. Tobacco belongs to the group of crops
24. Which of the following equipment is a called (a) fibres (b) beverages (c)
farm implement (a) dryer (b) sheller (c) stimulants (d) cereals
mower (d) mistblower 34. The Following crops require shade trees at
25. A periodic maintenance activity carried out the seedling stage except (a) Theobroma
on the farm tractor is (a) checking for cacao (b) coffeaspp (c) elaeisguimeensis
radiator water (b) checking of tyre pressure (d) OryzaSatina
(c) changing of engine oil (d) cleaning after 35. Crops which are primarily grown to
use provide food for farm animals are (a)
legumes (b) weeds (c) forages (d) grasses
2
36. Crop selection is advantages because (a)
seeds are collected from stands with
desirable traits (b) expertise is required in
carrying out process (c) the breeder’s
patience is being tasked (d) the process is
time consuming
37. A fungus known as phytophthoraPalmivora
is responsible for (a) panama disease of
banana (b) blackarm disease of Kola (c)
blackpod disease of Cocoa (d) Blossom-end
rot of tomato.
38. Viral Diseases of crops can best be
controlled through (a) vector control (b)
planting resistant varieties (c) spraying
insecticide (d) sterilizing farm equipment
39. Piercing and sucking insect pests possess
(a) maxillae (b) mandibles (c) labrums (d)
proboscis
40. The digestive function of the rumen is
ruminant nutrition is enhanced by the (a)
absorption of water (b) presence of micro
– organisms (c) absorption of food
nutrients (d) retention of unwanted fireigo
materials

3
 agriculture? (a) euphorbia heterophylla
(b) amaranthusspinosus (c) ageratum
conyzoides (d) hibiscus esculentus
48. Weeds which produces seeds covered
with sticky materials would most likely
be dispersed by (a) wind (b) water (c)
insect (d) animal
49. The plant breeder who produces a plant
variety that is tolerant to extreme
41. Grasses are important in pastures because conditions of heat and cold is aiming at
they (a) make seeding and reseeding (a) adaptation of the variety to adverse
unnecessary (b) improve the quality of climatic conditions (b) enhancing the
pastures (c) add nitrogen to the soil (d) resistance of the variety to diseases and
check the growth of pasture weeds pests (c) meeting the needs of the
42. Which of the following combinations of consumers (d) early maturity of the
grass and legume is most common in plant
cultivated pasture? (a) giant star grass and 50. The atmospheric conditions that will
centrosema (b) spear grass and mucuna (c) cause the greatest increase in water
gamba grass and stylosanthes (d) guinea make by farm animals is (a) low
grass and soya bean temperature and high relative humidity
43. Which of the following organisms causes (b) high temperature and low relative
maize smut? (a) ustilagozea (b) humidity (c) low temperature and low
piriculariaspp (c) pucciniapolysora (d) atmospheric pressure (d) low
phytophthorapalmivora temperature and low relative humidity.
44. Bacterial leaf blight of cassava is mainly
transmitted by (a) insects and through THEORY: INSTRUCTION: ANSWER
the soil (b) rain splash and infected THREE QUESTION FROM THIS
planting material (c) insects and the SECTION
wind (d) rodents and insects 1. List five grasses and five legumes and
45. Aphids are (a) biting and sucking their botanical names
insects (b) boring insects (c) piercing b. State five economic importance of grass.
and sucking insects (d) biting and C. What is Crop improvement.
chewing insects 2. State three methods of crop
46. A weeds which possesses hooks that aid improvement.
its dispersal is (a) boerhaviadiffusa (b) b. Explain each method state in 2a c.State
ageratum conizoides (c) the Law of Demand
acanthospernumhispidum (d) euphorbia 3. Enumerate five applications of Demand
hirta and supply on Agricultural Production.
47. Which of the following plants is not b. What is Demand? c. State five
generally regarded as a weed in factors affecting Demand
4
4. State five farm record and their function.
b. Prepare a profit and loss account for a
farm from the following information.
Maize seeds for planting 25,000.00
Fertilizer Used 14,800.00
Pesticides 20,000.00
Purchase of see yam 50,000.00
Tractor Hire 60,000.00
Tractor Cost 10,000.00
Worker’s Wages 40,000.00
Sale of Maize 250,000.00
Yam tuber sold 200,000.00
Opening valuation 440,000.00
Closing Valuation 200,000.00
c. Explain the following terms.
I. appreciation (ii) depreciation
(iii) salvage value
5. Explain the following: (i) hay (ii) straw
(iii) soiplage(iv) protein concentrate (v)
basal/energy feed