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