Agricultural Science SS 2 Second Term Examination

SECOND TERM

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

SUBJECT: AGRIC SCIENCE

DURATION: 2HR

CLASS: SSS 2

1. Which of the following is not a principle of crop rotation? (a) Disease control (b) Soil conservation (c) Soil erosion (d) Weed control

2. The sign of approaching parturition include the following except _____________ (a) Preparation of nest by the dam (b) Mounting of other animals (c) Loss of appetite (d) Swelling of the values

3.The practice by which the farmer keeps only grazing livestock is known as _________ (a) Mixed farming (b) Pastoral farming (c) Livestock farming (d) Crop rotation

4. Lactation is the process of ________________________ (a) Production and secretion of milk by the mammary gland (b) Formation of blood in the developing foetus (c) Formation of amniotic fluid around the developing of nests by the dam (d) Formation of sperms and ova in the reproductive system

5. Control of weeds can be carried out by the following methods except __________ (a) Cutting (b) Burning (c) Grazing (d) Use of herbicide

6. The characteristics of range land include the following except _______________ (a) Large land area (b) Low rain fall (c) Mixture of grasses and shrubs (d) Predominant ever tress

7..Which of the following is not a part of the digestive system of ruminants? (a) Duodenum (b) Proventriculus (c) Omasun (d) Reticulum

8. Mating in poultry is referred to as __________________ (a) Treading (b) Laying (c) Topping

(d) Servicing

9. The interval from the beginning of the heat period to the beginning of another is known is _____________ (a) Gestation period (b) Fertilization (c) Ostrus cycles (d) Heat period 1

10. Which of the following survey equipment is used in measuring angular distances (a) Theodolite (b) Tape (c) Prismatic compass (d) Gunter’s chain?

11.The tool used for making station in farm surveying is ________ (a) A chain (b) A cross staff (c) An arrow (d) A ranging pole

12. One hectare of land is equivalents to ________ (a) 250m2 (b) 10,000m2 (c) 7,500m2 (d) 1000m2

13. The most appropriate farm machinery for breaking soil is the _______________ (a) Harrow (b) Plough (c) Ridger (d) Tractor

14. Which of the following sources of farm power cannot be used effectively for processing agricultural products (a) Electricity (b) Sun (c) Machined (d) Animals

15. Which of the following is the sources used by green plants for photosynthesis (a) Electricity (b) win (c) Sun (d) Water

16. The following conditions will favours taungy farming except ________________ (a) Intensive establishment of industries (b) A situation of land scarcity (c) Availability of large area of cultivated land (d) Overpopulation on the available land

17. Selective exploitation means _______ (a) Random felling of trees (b) Feeling of trees which meet desired specification (c) gradual removal of forest trees (d) Felling of forest trees on selective days

18.The side of effects of the various preventive and control measures of pest and disease of crop include the following except (a) Environment pollution (b) Poisoning of wild life (c) Improvement in the quality of farm produce (d) exposure of the farmer to health hazards

19. The damage cause by pests on crop result in the following except ___________ ___ (a) Defoliation of crops (b) Transmission of diseases (c) Destruction of leaves (d) Increase in photosynthesis rate

20.The main side effect of the biological method of controlling pests is ____________ (a) Rotating of roots (b) Scorching of leaves (c) Imbalance in ecosystem (d) Yielding of crop

21. Which of the following crop is tolerant to both poor rich friable soils? (a) Onion (b) cassava (c) cocoa (d)rice

22. Parboiling is carried out in the processing of rice in order to ________ (a) decrease the amount of waste products (b) improve the taste of rice (c) facilitating the polishing of rice (d) reduce percentage of breakage

23. The following crops belong to the group called spices except __________ (a) hot pepper (b) Onion (c)carrot (d) ginger

24. Which of the following groups has a germination period of about 100 days? (a) Coffee(b) oil palm (c) rubber (d) coconut

25.Which of the following problems will not be considered before installing irrigation equipment in a farm?

(a) High cost of equipment and maintenance (b) source of power

(c) Availability of water (d) concentration of salt

26. The removal of excess water from the soil surface and the upper sub soil is known as _______

(a) irrigation (b) drainage (c) surface run—off (d) evaporation

27. A fertilizer that contains more than of the primary element like Nitrogen, phosphorus and potassium is

known as _______ (a) straight fertilizer (b) simple fertilizer (c) compound fertilizer (d) acidic fertilizer

28. Which of the following processes will not lead to the loss of nutrients from the soil?

(a) Mulching (b) burning (c) erosion (d) harvesting

29. In the process of recycling carbon in nature, carbon dioxide is used by crops during _______

(a) respiration (b) photosynthesis (c) fruiting (d) burning

30.Which of the following statement is not correct about Micro—Nutrients? They _______

(a) are required in small quantities by plants (b) are harmful when present in large quantities in a soil

(c) are derived from the parent focus (d) are the most abundant element in plant leaves

31.When a crop is planted in-situ, it means that the (a) Crop is planted in a place away from the house (b) Crop is planted in a place situated near the house (c) Seed is not raised in the nursery but planted direct into field (d)Seed in raised in pre-nursery and later transplanted to the field (e) Seed in raised in nursery and later transplanted to the field

32.A horticulturist who wishes to shade his ear lawn with an ornamental tree will choose a/an

(a) Acalypha (b) Ashoka (c) Almond tree (d) Neem (e) Royal Palm

33.A florist who intends to grow marigold on commercial purpose should plant its (a) Leaves directly in the field (b) Stem in polythene bags (c) Seeds in horticultural (d) Rhizome in demonstration farm (e) Seeds in horticultural plots

34.Which of these is not a reason for producing ornamental plant in Nigeria (a) Control of desertification (b)Provision of employment (c) Control of erosion (d) Earning of foreign exchange(e) Landscaping of employment

35.The following are pest of cocoa except (a) Aphids (b) Capsids (c) Leaf worms (d) Stem borers(e) Spider mites

36.Which of the following is best used to control mosaic disease of yam (a) Destroying infected yams (b)Growing resistant varieties (c) Practicing bush burning (d) Treating with fungicides (e) Early planting of stems

37.The following are control measures for damping-off disease of cowpea except by

(a) Burning infected plants (b) Dressing seed with fungicides (c) Practicing crop rotation(d) Spraying insecticides (e) Using resistant varieties

38.Which of the following cannot be regarded as an advantage of natural regeneration (a) It does not involve the formal stages of forest establishment (b) It is less expensive than establishing new forest (c) It stabilized the natural ecosystem in the forest (d) Special management skill is not required foe formation of canopy (e) Wild animal are exposed and killed while waiting for forest canopy

39.The botanical name for guinea grass is (a) Centrosema pubescens (b) Imperata cylindrical (c) panicum maximum (d) Compatibility of the species (e) Direction of prevailing wind

40. The selection of seedlings from nursery bed for transplanting is based on (a) colour of leaves (b) Number of branches (c) Size of leaves (d) Vigor of the plant (e) Number of roots

41. Which of these groups of sources of farm power has proved to be most unreliable in supply (a) Animals and human (b) Biogas and machines (c) Electricity and water

(d) Machines and electricity (e) Sun and Wind

42. Which of the following vegetation zones is not suitable for nomadic farming (a) Fresh water (b) Mangrove (c) Rainforest (d) Savannah (e) Swamp Forest?

43. Which of the following factors affect the productivity of pasture? I Ii Iii

Soil fertility Climate

Weeds (a) I and II only (b) I and III only (c) II and III only (d) I, II and III

44. Pasture crops are best used in preparing silage when they (a) Have produced (b) Are lignified (c) Are yet to produce flowers (d) Are producing flowers

45. Forages harvested before flowering and conserved are characterized by (a) High fibre (b) High protein (c) Low energy (d) Low vitamins

46.Pastures could be improved through (a) Fertilizer application and irrigation (b) Rational grazing and uncontrolled burning (d) Pad docking and overgrazing

47. Which of the following plants is a pasture legume (a) Panicum maximum (b) Andropogen gayams (c) Pueraria phaseoloides (d) Axonopus Compressus?

48.In animals production, disease causing organisms are generally called (a) Parasites (b) Pathogens (c) Pests (d) Vectors

49.The following are characteristics of a rangeland except that it (a) Contain grass/legume of high regenerative ability (b) Contain high quality herbage (d) Encourages buildup of pests (d) Usually occupy a vast piece of land

50.Stem borer and leaf hopper are pests of _______ (a) Cowpea (b) Groundnut (c) Maize (d) Rubber (e) Yam

THEORY:

INSTRUCTION: Answer any three questions

1. What is pasture ?

2. State differences between natural and artificial pasture.

3. Name four ways in which forage crops can be utilized.

4. Name two grasses and two legumes used as pasture crops in Nigeria

5..What is a crop disease?

6. State five crop disease and their casual organism.

7. State five crop pests and their control measures

8. What is floriculture?

9. List five ornamental flowers

10. Briefly explain five characteristic of a range land.

11. State five characteristic of Natural grassland

12..What is forestry?

13. Describe briefly five management practice adopted on the forest for continuous timber supply.

14. Explain the five management practice adopted on the forest for continuous timber supply stated in 12 above