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3RD AGRICULTURAL SCIENCE SS2
Contributed by: Onosue
  • 1. Which of the following is NOT a symptom of crop disease?
A) Leaf spots
B) Yellowing of leaves
C) Greenness of leaves
D) Wilting
  • 2. Poor light intensity makes crops
A) Produce more yield
B) Weaker and prone to diseases
C) Mature faster
D) More resistant to diseases
  • 3. Cassava mosaic disease is caused by
A) Virus
B) Nematode
C) Fungi
D) Bacteria
  • 4. Tiny worms that attack plant roots are known as
A) Fungi
B) Bacteria
C) Nematodes
D) Insect
  • 5. Crop rotation helps to
A) Increase pests
B) Destroy crops
C) Spread diseases
D) Prevent diseases
  • 6. Wind contributes to crop disease by
A) Lowering soil moisture
B) Reducing plant growth
C) Increasing photosynthesis
D) Spreading spores and insect vectors
  • 7. Heavy rainfall encourages crop diseases mainly by
A) Spreading pathogens and increasing leaf wetness
B) Increasing light intensity
C) Increasing temperature
D) Peducing soil nutrients
  • 8. A condition that interferes with the normal growth of crops is called
A) Crop disease
B) Weed
C) Pest
D) Parasite
  • 9. The planting of different crops in the same piece of land year in and year out to
    maintain soil fertility is termed ______
A) Shifting cultivation
B) Crop rotation
C) Bush fallowing
D) Mono cropping
  • 10. The price at which quantity demanded is equal to the quantity of goods supplied is
    called ______
A) Elasticity of demand
B) Equilibrium price
C) Equilibrium point
D) Demand/Supply curve
  • 11. The three types of irrigation include the following except ______
A) Surface irrigation
B) Drip irrigation
C) Sub-surface irrigation
D) Overhead irrigation
  • 12. The following are types of forest except
A) Leguminous
B) Mangrove
C) Savanna
D) Rainforest
  • 13. The process by which a piece of land is left unplanted for some years in order to
    regain its lost fertility is called ______
A) Crop rotation
B) Inter-cropping
C) Land rotation
D) Bush fallowing
  • 14. The artificial application of water to soil for farming purposes is called ______
A) Fallowing
B) Drainage
C) Irrigation
D) Mulching
  • 15. The process by which excess water is removed artificially from the soil to promote
    farming activities is called _____
A) Fallowing
B) Mulching
C) Irrigation
D) Drainage
  • 16. The ______ is the orderly removal of excess water artificially from the surface of
    the land using constructed open ditches.
A) Underground drainage
B) Sub-surface drainage
C) Surface drainage
D) Drip irrigation
  • 17. Planting of different crops on the same piece of land at regular interval is called
A) Mixed farming
B) Mixed cropping
C) Intercropping
D) Crop rotation
  • 18. The artificial application of water to soil for farming purposes is called ______
A) Fallowing
B) Mulching
C) Irrigation
D) Drainage
  • 19. The followings are surveying equipment except
A) Beacon
B) Beaker
C) Measuring tape
D) Gunter chain
  • 20. The conversion of plant and animal decay into ammonium compound is called ____
A) Nitrogen fixation
B) Nitrification
C) De-Nitrification
D) Ammonification
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