Agricultural science past questions for ss2

1.An area of land covered with forage crops is referred to as. A. Forest B. Pasture C. Herbage D. Grassland.
2.One of these is the botanical name for elephant grass. A. Arachis hypogeal B. Pennisetum purpurcum C. xanthomonas spp D. Axonopus compresus.
3.A natural pasture is referred to as ………. A. Savannah area B. Arid zone C. Range land D. Arable land.
4.Afi river forest reserve is located at? A. Rivers state B. Imo state C. Abia state D. Ogun state.
5.One of these is not an economic tree. A. Walnut B. Mahogany C. Obeche D. Apple.
6.One of these does not encourage the formation of forest. A. Bush burning B. Afforestation C. Selective exploitation D. Taungya system.
7.The division of a range of land into section with fence is called……….. A. Paddocking B. Fencing C. Reseeding D. Restocking.
8.Animals that have four stomach chamber are called…… A. Ominivorous B. Non-omivorous C. Ruminant D. Oviparous animals.
9.Leguminous crops fix ………….. to the soil. A. Calcium B. Nitrogen C. Phosphorus D. Iodine.
10.An organism capable of causing damage to another organism is called? A. Pest B. Disease C. Infection D. Pathogen.
11.One of these is not a non-insect pest. A. Monkey B. Grass hopper C. Beetle D. Weevil.
12.All these are fibre crops except. A. hemp B. Sisal C. Cotton D. Rubber.
13.The mouth part of piercing and sucking insects is called ……… A. Mandible B. Maxillae C. proboscis D. Mirids.
14.Stem burrower is a ………… pest. A. Field B. Storage C. Farm Pest D. Home Pest.
15.Capsids attack ……….. crops. A . Cocoa B. Ground nut C. yam D. Cassava.
16.………… is a common insecticide. A. Gammalin 20 B. Adrax 40 C. DDT D. Adrin dust.
17.One of these crops do not belong here…… A. Cowpea B. Rice C. Sorghum D. Millet.
18.The use of natural enemies of pest to eliminate them is ………. Method. A. 19.Biological B. Cultural C. Physical D. Chemical.
20.Artificial insemination is best done during ……… period. A. Heat B. In the morning C. In the night D. Mating.
21.Animal semen are best stored in a liquid ………. A. Nitrogen B. Oxygen C. Cardondioxide D. Glucose.
22.When animals feeding on a pasture are more than what the pasture can carry is called ……….. A. Over seeding B. Over stocking C. Over grazing D. Reseeding.
23.The study of forest trees and other related trees is? A. Forestry B. Horticulture C. Silviculture D. Florist.
24.Laws put in place by government to prevent people from carelessly cutting down trees is called A. By-law B. Forest regulations C. Deforestation laws D. Selective exploitation laws.
25.The planting of ariablen crops with trees in the same piece of land is called 26……….. A. Mixed farming B. Taungya farming C.Mono cropping D. Crop rotation.
The process of allowing forest trees to grow out from old stump is called. A. Forest regrowth B. Regeneration C. Afforestation D. Deforestation.

                                                  THEORY SECTION. 
                              ANSWER ONLY FOUR QUESTIONS. 

1a. Differentiate between controlled stocking and over grazing.
1b. State two uses of forage crops to a farmer.
1c. Write out the botanical names of the following; Elephant grass, Carpet grass.
2a. Explain this statement “some forage crops have good regenerative ability” .
2b. The word “browsing” in pasture means ………….?
3a. State two importance of ornamental crops.
3b. Explain how forest trees purifies our atmosphere.
4a. Define the term “disease”.
4b. Write short note on paddocking.
5a. Explain soil sterilization method (manually).
5b. State two advantages of artificial insemination.
6a. Name the causal organism for cocoa black pod disease and cow pea.
6b. Explain crop rotation (use a table to demonstrate it).