Agricultural Science SS 2 Second Term Examination
SS2 AGRIC QUE. 2ND
SECTION A
1. The following are edaphic factors except A. soil PH B. soil texture C. soil structure
D. relative humidity
2.Diseases, pests, predators and parasites are ____ factors. A. biotic B. abiotic C. edaphic
D. climatic
3.The act of re-planting pastures that fail to germinate is ______. A. thinning B. supplying C. weeding D. mulching
4.Process of establishing a forest plantation is called ____. A. afforestation B. deforestation C. taungya D. weeding
5.The process of cutting only matured trees in a forest is called ______. A. selective exploitation B. selective exploration C. taungya D. aforestation
6.The best soil for Agriculture is _____. A. loamy soil B. sandy soil C. clay soil D. silt soil
7.The following are ornamental trees except _____. A. frangi poni B.balsam C. royal palm D. ixora
8.Which of the following is not an ornamental shrubs? A. allamenda B.crotons C. hibiscus D.casuarinas
9.The following are ornamental flowers except ____. A.justicia B. carnalityC. crotalaria D. balsam
10.The following are pathogens except _____. A. viruses B. bacteria C. fungi D. algae
11. Maize rust is caused by ______. A. bacteria B. fungi C. virus D. nematodes
12. Rosette disease of groundnut is caused by ____. A. fungus B. virus C. bacteria D. nematodes
13. The following are rodents except _____. ?A. rat B. grasscutter C.squirrel D.monkey
14. The following are bitting and chewing insect except ____. A. termites B. capsids C.locust D. beetles
15. Stem burrowers will attack A. cereals B. legumes C. tubers D. spices
16. The mode of action of liquid insecticide is_____. A. contact B. systemic C. stomach D. fumigation
17. Weevils are _____ insects. A. biting B. chewing C. burrowing D. piercing
18. The following are pests except. A. rodents B. earthworm C. monkeys D. nematodes
19. The following are biting chewing insects except _____. A. butterfly B. locust C. grasshopper D. cricket
20. Avicides are used to control _____. A. rodents B. birds C. insects D. pests
SECTION B
1. List two side effects each of using
2. Cultural control of pests
3. Biological control of pests
4. List disease pathogens
5. Discuss briefly the cassava mosaic disease under the following headings
A. Casual organism
B. Transmission
C. Symptoms D. Control
6. State four ways in which ornamental plants is beneficial to man
7. State five effects of deforestation on the environment
8. List ten uses of forest
9. Define deforestation
10. Briefly discuss three factors affecting the productivity of pasture.
