FIRST TERM EXAMINATIONS AGRICULTURAL SCIENCE SS 1

  FIRST TERM

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

SUBJECT   AGRICULTURAL SCINECE      CLASS: S. S. S ONE       DURATION 2HR

1. Agricultural production could be improved through (a) migration of youth to the urban centers (b) hoarding of farm produce (c) fragmentation of land by family members (D) provision of rural infrastructure.
2. Which of the following features is not sassociated with subsistence farming? (a) Use of mainly family labour (b) cultivation of mainly food crops (c) specialization in crop production (d) low output and income.
3. Which of the following systems is not associated with land ownership in West Africa? (a) Communal (b) Hire – Purchase (c) Leasehold (d) Freehold
4. Which of the following factors is not a limitation to farm mechanization in West Africa? (a) poverty among farmers (b) large production of farmers (c) illiteracy of farmers (d) land tenure system
5. The main source of power for subsistence agriculture is (a) animal (b) machine (c) human (d) electricity
6. Problems associated with the use of animal power include the following except (a) susceptibility of animals to disease (b) insufficient supply of fuel (c) high cost of maintaining animals (d) insufficient supply of feed.
7. The practice whereby a farmer keeps only grazing animals is known as (a) mixed farming (b) lay farming (c) pastoral farming (d) taungya farming
8. The major factor affecting the distribution of crops in West Africa is (a) climate (b) soil (c) topography (d) diseases.
9. Which of the following is an edaphic factor influencing agricultural production? (a) Parasites (b) Soil _PH (c) Vegetation (d) rainfall
10. Gneiss and schist are examples of (a) igneous rocks (b) metamorphic rock (c) sedimentary rocks (d) weathered rocks
11. The chemical weathering process presented by the equation CasiO₃ + 2H₂O – H₂SiO₃ + Ca(OH)₂ is (a) Hydration (b) hydrolysis (c) solution (d)oxidation
12. The most practical and effective way of improving the productive capacity of clayey soil is to (a) allow it lie fallow for some time. (b) apply lime and organic manure (c) plant tree crops on it for many years (d) apply N P K fertilizer
13. In comparison with compost, inorganic fertilizer (a) improves soil structure (b) regulates soil temperature (c) is more readily available to plants (d) conserves soil moisture
14. Which of the following crops is a bulb? (a) yam (b) onion (c) cocoyam (b) plantain
15. An example of a fruit vegetable is (a) onion (b) cabbage (c) spinach (d) cucumber
16. Which of the following activities is carried out in tomato cultivation to improve fruit size? (a) hardening – of f (b) shading (c) pricking – out (d) staking
17. Large scale storage of grains is best done in (a) barns (b) cold rooms (c) cribs (d) silos
18. The botanical name of Guinea Grass is (a) Panicum maximum (b) imperata cylindrica (c) pennisetum purpureum (d) cynodon dactylon.
19. A forest product used as medicine is (a) dye (b) latex (c) gum (d) honey
20. the method of plant propagation which involves rooting is (a) grafting (b) budding (c) tillering (d) layering
21. Which of the following plant parts is not a vegetative material used in propagating ornamental shrubs? (a) seed (b) stem (c) bud (d) sucker
22. Which of the following farm, animals is a non – ruminant herbivore? (a) goat (b) sheep (c) rabbit (d) chicken
23. A social – economic factor which affects the availability of land for agricultural use in West Africa is (a) soil type (b) population growth (c) rainfall distribution (d) working capital.
24. Which of the following cropping system would lead to continuous sustenance of soil fertility? (i) Crop rotation (ii) land rotation (iii) monoculture (iv) mono cropping (a) I and ii only (b) I and ii only (c) ii and iii only (d) I, ii and iii only.
25. Marble is a metamorphic rock formed from (a) limestone (b) quartzite (c) shale (d) schist
26. An example of a piercing and sucking insect-pest of crops is a (a) mealy bug (b) grasshopper (c) weevil (d) termite
27. The removal of sheath on maize of mob is referred to as (A) winnowing (b) shelling (c) dehusking (d) milling
28. The farm power which is most adaptable to farm operations in West Africa is (a) animal power (b) wind power (c) human power (d) solar power
29. A disease which affects poultry only is a (a) coccidiosis (b) new castle (c) pox (d) helminthiasis
30. Which of the animal body parts listed below are related to the reproductive system? (i) Cowper’s gland (ii) jejunum (iii) urethra. (a) I and ii only (b) I and iii only (c) ii and iii only (d) I, ii and iii.
31. A sow that is not producing milk after farrowing should be given (a) oxtytocin (b) antibiotic (c) anthelmintic drug (d) sulphaquinoxaline
32. Limitation of farm mechanization in West Africa do not include (a) Land fragmentation (b) high capital investment (c) availability of spare parts (d) high level technical know how.
33. mating in poultry is known as a service (a) serving (b) treading (c) topping (d) breeding
34. The average gestation period in sheep is (a) 30 days (b) 50 days (c) 150 days (d) 270 days
35. Which of the following operations takes place in a ginnery? (a) production of cotton seed oil (b) detoxication of cotton seed (c) separation of cotton seeds from lint (d) production of cotton seed lake
36. The development of agriculture in West Africa is not generally affected by (a) ignorance (b) religious beliefs (c) poor marketing (d) population size
37. Which of the following groups of rocks is formed as a result of volcanic eruption? (a) Limestone, basalt and shale (b) basalt, granite and pumice (c) sandstone, granite and quartize (d) marble, gneiss and shale.
38. Which of the following statements is a disadvantage of human power? it (a) controls other sources of farm power (b) brings about least damage (c) is easily available and controlled.
39. The use of animal traction is limited in the forest zones of West Africa because of the (a) topography of the forest land (b) presence of tsetse flies (c) high amount of rainfall (d) culture of the people.
40. The correct sequence for the use of coupled implements for land preparation is (a) plough, harrow and ridger (b) harrow, ridger and plough (c) plough, ridger and harrow (d) harrow, plough and ridger.
41. Corms, rhizomes and tubers are examples of (a) underground stems (b) underground roots (c) modified leaves (d) aerial stems
42. In crop Production, ginger is propagated by (a) seed (b) bulb (c) rhizome (d) corm
43. Land in agricultural business is a durable asset because (a) its value is realized over several years (b) it is more valuable than labour (c) it can be expanded by reclamation (d) it is a free gift of nature.
44. In which layer of the soil profile do most biological activities occur? (a) D – horizon (b) C – horizon (c) B – horizon (c) A – horizon
45. Which of the following properties of soil determines its water- holding capacity?
46. Texture
47. P^H

• Colour

1. Structure

• I and II Only (b) I and IV only (c) II and III only (d) III and IV only

46. Under the communal land tenure system farmers find it difficult to secure loans because (a) land holdings are small and fragmented (b) they are poor (c) land holdings cannot be used as security (d) they are mostly illiterate
47. Government plays important roles in the development of agriculture through the following means except (a) provision of subsidies (b) training of farmers’ children (c) establishment of agricultural development programmes (d) establishment of farm settlements
48. Which of the following does not influence the distribution of cattle in West Africa? (a) Pastures (b) Light (c) diseases (d) Rainfall
49. Soil water that is available for root absorption at field capacity is (a) capillary water (b) hygroscopic water (c) gravitational water (d) superfluous water
50. A detrimental effect of bush burning is that is (a) destroys soil organic matter (b) destroys weed seeds (c) sterilizes the soil (d) adds potash to the soil

PART B

THEORY

Answer Three Questions.

1. State ten simple farm tools and their uses.

• List five sources of farm power
• Mention two advantages of each

2. What is farm mechanization?

(b)      Enumerate five advantages of farm mechanization

(c)       Explain three importances of the following systems in farm animals

(I)       Circulatory system (ii) respiratory system            (iii) digestive system

3. Explain the following

• Heat period (ii) mating (iii) gestation period (iv) parturition (v) lactation.

4. State five of each factor affecting agricultural production in Nigeria.

• Climatic factors (ii) biotic factors (iii) edaphic factors
• With the aid  of  diagram  explain  the  digestive  system  of