AGRICULTURAL SCIENCE SS 1 SECOND TERM EXAMINATION

Examination malpractices may lead to a repeat of the subject or suspensions don’t be involved.

 Subject: AGRIC SCIENCE                        Duration: 2HRS                       Class:  SS 1

1. The most limiting factors affecting land availability for agriculture in urban settlement is (a) Soil type (b) Topography (c) Climate (d) Population pressure
2. Land is said to be a fixed asset in agriculture. This means that (a) Its features and topography are fixed (b) Soil nutrient and its vegetative cover can be replaced (c) Its size remain fixed over time (d) Its micro organic composition is constant over time
3. The document given to a farmer on acquiring a piece of land from government is called (a) Certificate of purchase (b) Receipt of ownership (c) Certificate of occupancy (d) Receipt of lease
4. Which of the following statement is not correct about agriculture in most West African countries? It provide (a) Employment (b) Fuel (c) Food (d) Income
5. Insect – pest of crop could be controlled by (a) Cover cropping (b) Mulching (c) Crop rotation (d) Organic manuring
6. Imported plant are expected to be (a) Vaccinated (b) Improved upon (c) Treated (d) Quarantined
7. Heat treatment of oil palm seed before sowing help to (a) Mobilize nutrient for the embryo (b) Harden the mesocarp (c) Break embryo dormancy (d) Improve disease resistance
8. The correct sequence of pre-planting operation is __________ (a) Clearing, stumping, Ploughing, harrowing (b) Stumping, Ploughing, harrowing, clearing (c) Bulldozing, harrowing, stumping, Ploughing

(d) Clearing, Bulldozing, stumping, harrowing

9. Predator are used by farmer to _____ (a) Control pests (b) Induce flowering in plant (c) Protect the soil (d) Hasten fruit ripening
10. A social factors which affect land availability and use is ______ (a) Temperature (b) Soil pH

(c) Light Intensity and duration (d) Culture of the people

11. A farming system in which different type of crop are grown in succession, in a definite order on the same piece of land is termed (a) Mixed farming (b) Land rotation (c) Continuous cropping (d) Crop rotation
12. Which of the following factor is an edaphic factor in agriculture production? (a) Wind (b) Virus

(c) Acidity (d) Grasshopper

13. Top dressing of soil with fertilizer on a rainy day may not produce the desired result because the fertilizer may ________ (a) React with other substance in the soil  (b) Dissolve in the abundant rain water (c) Be leached from the top soil (d)Be utilized by weed
14. The removal of sheath on maize cob is referred to as (a) Winnowing (b) Shelling (c) Dehusking

(d) Milling

15. Capping and stalking are important cultural practices in the cultivation of (a) Sweet (b) Potatoes

(c) Yams (d) Groundnuts

16. An example of a piecing and sucking insect pest of crops is a _________ (a) mealy bug

(b) grasshopper (c) weevil (d) termite

17. Which among the following requires winnowing during processing? (a) fruits

(b) cereals (c) tubers (d) vegetables

18. The land use Act (Decree) was promulgated by the federal military Government of Nigeria in _________ (a) March 29,1978 (b) April 16,1972 (c) Feb,17,1976 (d) January 10,1971.
19. Control of maize stem borer is most effective when (a) affected crops are uprooted and burnt

(b) Rodenticides are applied (c) Nematicide are applied (d) Fertilizers are applied before planting.

20. Which of the following practices can be both pre-and post-planting operations in rice production?

(a) thinning (b) winnowing (c) per boiling (b) milling.

21. Which of the following crops cannot be mechanically harvested in west Africa?

(a) Yam (b) maize (c) cotton (d) cowpea.

22. An example of fungi disease of stored grains is _________ (a) mould (b) streak

(c) mosaic (d) draping off

23. Causal organisms of disease in crop production do not include (a) viruses

(b) bacteria (c) fungi (d) protozoa.

24. Farm credits may be used for the following purpose except to ________

(a) purchase current inputs and equipment (b) cope with seasonal patterns of production (c) provide the much needed funds for social functions (d) finance crop production activities.

25. The type of labour usually available to the peasant farmers is __________

(a) paid labour (b) skilled labour (c) migrant labour (d) family labour.

26. A farm produce which does not require fermentation during processing is ________ (a) cocoa beans (b) coffee beans (c) cassava tubers (d) rice grains.
27. Theobroma cacao grow best in the _______ (a) Sudan savannah zone (b) Humid rain forest zone (c) Mangrove swamp forest (d) Northern guinea savannah zone
28. The major factor affecting distribution of crops in West African is (a) Climate (b) Soil
29. All the following are Non-government organization involved in improving agriculture production EXCEPT (a) International institute for tropical agriculture (b) West African rice development agency (c) International livestock research institute (d) Agriculture development projects (ADPS)
30. The most suitable soil for cultivating yam is _______ (a) Sand (b) Sand clay (c) Clay loam (d) Clay
31. It is recommended that transplanting should be done in the evening because (a) Seedling transpire more and establish better (b) soil pests and pathogens are not active at that time (c) Labour is  readily available in the evening (d) Soil temperature during that period promote seedlings establishment
32. Tomato thrives best under condition that are ______ (a) Sunny and semi-humid (b) Cloudy and semi-humid (c) Cold humid (d) Hot humid
33. A soil with pH range of 6.1 to 6.9 could be describe as _______ (a) Strongly alkaline (b) Weakly alkaline (c) Strongly acidic (d) Hot humid
34. The farm implement which spread seed randomly on prepared soil is the ______ (a) Broadcast (b) Emasculator (c) Miller (d) Miller (e) Sprayer
35. Directorate of food, Roads and Rural infrastructure was establish in ______ Year (a) 1990 (b) 1976 (c) 1986 (d) 1959
36. Which of the following statement about metamorphic rocks is false? (a) Have been subjected to intense heat and pressure (b) Changed their former state to a new one (c) Are also referred to as plutonic rock (d) Have chemical component similar to the original rock
37. The response of crop today – length is referred to as _______ (a) Photosynthesis (b) Volatilized (c) Transpiration (d) Photoperiodism
38. The terms agriculture can be define as the ________ (a) Cultivation of land for crop production (b) Rearing of animals and fishes for food (c) Production of crops and animal for man muse (d) Production of new varieties of crop for sale
39. Which of the following statement about the characteristic of commercial agriculture is false? (a) High level of technology is required (b) High capital investment is involved (c) Use of crud implement is common (d) Intensive cultivation of land is prominent
40. Which of the following statement are true? The investment of agriculture development in West African include:
41. Self sufficiency in food production
42. Soil and water conversation

iii.      Improvement of the efficiency of farmer

1. Reduction of investment in human capital

(a) I, II, III only (b) II, III, and IV only (c) I, II, III, and IV

41. Land use for subsistence agriculture in West African are mostly required through (a) Purchase  (b) Inheritance (c) Pledge (d) Donation
42. The use of parasite and predators to control weeds is referred to as (a) Biological control (b) Chemical control (c) Cultural control (d) Mechanical control
43. Which of the following insect transmits swollen shoot virus to cocoa? (a) Stem borer (b) Mealy bug (c) White fly (d) Cupid
44. Which of the following crops require shade at the early stage of its growth?

(a) Plantain (b) Banana (c) Cocoa (d) Sugarcane

45. The process of removing excess maize seedling from a stand is known as (a) Pruning (b) Supplying (c) Thinning (d) Weeding
46. Lost of soil nutrient can be replenished by the following method except (a) Organic manuring (b) Fertilizer application (c) Continuous grazing (d) Cover cropping
47. An example of igneous rock is (a) Gravite (b) Limestone (c) Coal (d) Sandstone
48. Which of the following crop is the most difficult to store by farmer (a) Cereals

(b) Pulses (c) Tubers (d) Fruits

49. Staking of yam is carried out to (a) Reduce weed competition (b) Entrance light interception (c) Allow for intercropping (d) Prevent moisture loss
50. Which of the following pests does not attack maize (a) Armyworm (b) Stem borer

(c) Bird (d) Butterfly

THEORY

INSTRUCTION: Answer any 3 questions

1. State five characteristic of each of the following

(i)       igneous rock  (ii). Sedimentary rock     (iii) Metamorphic rock

1. What is rock weathering?
2. What is Agriculture Ecology?
3. Explain the following (i) Autecology   (ii) Biotic component

(iii)     Synecology                 (iv) Biotic components

3. Discuss the following crops under these heading

(a)      Cassava         (b) Cocoa (c) Maize      (d) Orange          (e) Okra

(i)       Botanical name           (ii) Uses        (iii) Varieties       (iv) Temperature

(v)      Rainfall        (vi) Planting dates/ maturity period

4. Explain the following

(i)       Stumping      (ii) Transplanting                     (iii) Nursery             (iv) Supplying

(v)      Ridging

5. Explain the processing of rice.