Exam Questions Second Term SS 2 Agric Science

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AGRIC SCIENCE SS 2

1. Commercial agriculture is characterized by (a) Use of machines (b) Small Farm holdings (c) Low capital investment (d) Little research activity
2. The most common method of acquiring land in west Africa is by (a) Mortgage (b) Communal ownership (c) Leasehold (d) Inheritance
3. The agricultural sector in West Africa is plagued with poverty because (a) Farmers belong to cooperative societies (b) Yields obtained per annum are relatively low (c) Farmers have access to credit facilities (d) The weather is highly predictable
4. The function of the seed- tube of a seed drill is to (a) Transport seeds from the metering device to the farrow opener (b) Control the rate of placement of seeds in the soil (c) Cover seeds placed in the soil (d) Open the soil for seed placement
5. The machine used for removing seeds from maize cobs is called a (a) Mill (b) Decorticator (c) Winnower (d)Shelter
6. The appropriate farm tool for lifting tomato seedlings for transplanting is the (a) Dibber (b) Hoe (c) Handtrowel (d) Hand Trowel
7. It is important to clean and grease plough discs after use to (a) Prevent rusting (b) Sharpen the discs (c) Reduce friction (d) Reduce the lifespan
8. Wind can be beneficial to crop production because it (a) Aids weed seeds dispersal (b) Aids pollination of crops (c) causes lodging of crops (d) Causes rapid drying of wet soils
9. The method of surface irrigation widely used in rice fields is (a) Basin Irrigation (b) wild Flooding (c) Farrow irrigation (d) Border strip
10. The practice of growing different crops in sequence on a piece of land is know as (a) rotational grazing (b) Monoculture (c) Crop rotation (d) Mixed farming
11. Which of the following is not an effect of over grazing on soil? (a) Improvement of soil structure (b) Soil compaction (c) Exposure of soil to erosion (d) Depletion of soil nutrient
12. The major factor affecting distribution of crops in West Africa is (a)Climate (b) Soil (c) Topography (d) Disease
13. Nutrient replenishment in soil can be enhanced by (a) Crop removal (b) Leaching (c) Erosion (d) Crop rotation
14. What is the function of Nitrosomonas bacteria in the nitrogen cycle? (a) Ammonification (b) Nitrification (c) Denitrification (d) Nitrogen Fixation
15. A mass of decayed plant and animal wastes processed in pits is referred to as (a) Green Manure (b) Farmyard manure (c) Compost manure (d) Inorganic manure
16. A major disadvantages of monoculture is that (a) Soil Texture is destroyed (b) Soil Microbes are destroyed (c) diseases and pests build up (d) Farms cannot be mechanized
17. Which of the following pairs of farming systems uses bush fallowing? (a) Crop rotation and land rotation (b) Shifting cultivation and land rotation (c) Land rotation and mixed farming (d) crop rotation and monoculture
18. Continuous soil tillage could lead to (a) Increased infiltration of water (b) Reduced run – off (c) Break down of soil structure (d) Improve soil texture
19. A bag of fertilizer has a ratio of 0:10:0 written on it. This means that the fertilizer is a (a) Lime Fertilizer (b) Nitrogenous fertilizer (c) Phosphate Fertilizer (d) Potassium Fertilizer
20. Theobroma Cacow grows best in the (a) Sudan Savannah Zone (b) Humid Rain forest Zone (c) Mangrove Swamp Forest Zone (d) Northern Guinea Savannah Zone
21. The following plants are forage grasses except (a) Pennisetumpurpereum (b) Panicum maximum (c) Axonopuscompressus( CaloprogniumMucunoides
22. Which of the following statements about budding is not true? The resulting crops (a) can understand adverse climatic conditions (b) Flower and bear fruit early (c) Develop broader leaves for photosynthesis (d) are more disease resistant
23. A farm produce which does not require fermentation during processing is (a) cocoa beans (b) coffee beans (c) cassava tubers (d) rice grain
24. Causal Prganisms of disease in crops production do not include (a) Viruses (b) Fungi (c) Protozoa (d) Bacteria
25. An example of Fungal disease of stored grain is (a) Mould (b) Streak (c) Mosaic (d) Damping off
26. Cultural control of crop diseases involves the following practices except (a) Practising crop rotation (b) Planting disease resistant varieties (c) Using insecticides (d) Fallowing of farm land
27. Weeds which produce large hollow seeds would most likely be dispersed by (a) Wind (b) Water (c) Insect (d) Explosion
28. Control of maize stem borer is most effective when (a) affected crops are uprooted and burnt (b) rodenticides are applied (c) Nematicides are applied (d) Fertilizers are applied before planting
29. The average gestation period in rabbit is (a) 21 days (b) 26 days (c) 31 days (d) 36 days
30. The correct sequence of passage of feed through the digestive system of a ruminant is (a) Reticulum – Omasum – Abomasum – Rumen (b) Rumen – Omasum – Abomasum – Reticulum  (c) Omasum – Abomasum – Rumen – Reticulum (d) Rumen – Reticulum – Omasum – Abomasum
31. The main objective of the flushing in animal production is to (a) Promote muscle development (b) Make Parturition easier (c) Promote multiple births (d) Make the animal lose weight
32. Pigs wallow in muddy pools of water primarily to (a) ensure adequate exercise (b) Obtain forage materials (c) Dislodge ectoparasite from their body (c) Lower their body temperature
33. Fowls are debeaked in order to (a) Reduce food intake (b) Make them grow faster (c) Reduce Cannibalism (d) Check spread of disease
34. A chicken that pecks at palm fruits could prevent a deficiency of (a) Vitamin K (b) Vitamin E (c) Vitamin B (d) Vitamin A
35. The common name for Andropogongayanus is (a) Elephant Grass (b) Northern Gambia Grass (c) Guinea Grass (d) Giant Star grass
36. A footbath on a poultry farm contains (a) Herbicides (b) Antiseptics (c) Antibiotics (d) Disinfectants
37. Ectoparasite of cattle do not include (a) Flees and mites (b) Ticks and mites (c) Lice and termites (d) Flees and ticks
38. In agricultural production, farm gate price is mostly enjoyed by (a) Middle men (b) Producers (c) Commodity Boards (d) Cooperative societies
39. Dissemination of new ideas by Agricultural extension workers can be effective if they (a) Work with existing local organizations and leaders (b) Supply farmers with needed inputs (c) Give financial support to farmers (d) are politically active
40. Ornamental crops are used for the following purposes except (a) Landscaping (b) Interior decoration (c) As symbols of love (d) as fodder

SECTION B

3. Explain the term commercial farming
4. Mention two agricultural produce used by each of the following agro – based industries
   • Canning Industry
   • Beverage Industry
   • Feed Mill
5. Discuss the cultivation of cassava under the following headings
   • Soil requirements
   • Spacing
   • One disease
   • One pest
6. Differentiate between natural pasture and artificial pasture
7. What are Ornamental Plants?
8. State four vegetative methods that could be used to propagate ornamental plants
9. What is demand?
10. Explain each of the following terms as used in Agricultural production
    • Collateral
    • Farm inventory record
11. List four ways of preserving fish
12. What are ornamental plants?
13. List five examples of ornamental flowers
14. List five examples of ornamental shrubs
15. List five uses of ornamental plants
16. Explain five maintenance practice in planting of ornamental crops.
17. Define forest
18. List ten uses of forest
19. Define deforestation
20. State five effect of deforestation

SECTION C (PRATICAL)

1. Identify specimens A and B by the feel method
   1. Name two crops that would thrive well on each of specimens A andB
   2. Mention three ways by which specimen B can be improved
2. Identify specimens C and D
   1. State three ways in which specimen C is important in crop production
   2. State three uses of specimen D in Agriculture
   3. Identify specimen H, I, J and K
   4. State two uses of each of specimens J and K
   5. State three general ways in maintaining Specimens H and I
   6. State four precautions to be taken when using Specimen J