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WorksheetsCrop production and microorganisms
Total questions: 15
Worksheet time: 8mins
The process of loosening and turning of the soil is called (a)
The undesirable plants that may grow naturally along with the crop are called
(a)
The process shown in figure is called
Threshing
Harvesting
Ploughing
Winnowing
WHICH OF THE FOLLOWING CAN FEED A GROWING POPULATION?
TRADITIONAL METHOD OF CROP PRODUCTION
MODERN METHOD OF IMPROVED CROP PRODUCTION AND MANAGEMENT
INDUSTRIAL EVOLUTION
NONE OF THE ABOVE
The process of loosening and turning of the soil using a tool or an implement is called___________
Ploughing
Levelling
Sowing
Broadcasting
What happens if the seedling are sown without leaving a gap between them?
They will grow quickly
They will become strong
They will get lost
They will become unhealthy
The algae that fixes atmospheric nitrogen from air and thus enriches the soil with nitrogenous compound for plants is
Blue green algae
Chlorella
Diatoms
Chlamydomonas
Microorganisms are mostly found everywhere in the habitat.(yes or no)
No
Yes
Viruses that can affect bacteria are called ?
Bacteriophages
Bactopage
Bactomon
Bacterio man
Watering the crops is called:
(a) sowing
manuring
Tilling
Irrigation
Carrier of malaria-causing protozoan is
female Anopheles mosquito
Housefly
Dragonfly
Aedes
The process of conversion of sugar into alcohol is called
nitrogen fixation
Mould
Fermentation
Yeast
