Pests are killed by:
Fertilizers
Pesticides
Manure
Compost
Why do we use insecticides?
To kill fungi
To kill weed
To kill insects
To increase fertility of soil
Where do all the foods we eat come from?
Plants
Chemicals
Animals
Factories
Which of the following factors affects photosynthesis in plants?
Amount of light
Amount of oxygen
Amount of water vapor
Amount of weeds
How are seeds of plants formed?
By fertilization
By germination
By dispersal
By pollination
In which way can weeds negatively affect crop plants?
Crop plants get less resources
Crop plants grow less
Crop plants get killed
Crop plants grow very close to each other.
What is DDT?
Dichloro diphenyl trichloroethane
Dichloro diphenyl trichloromethane
Dichloro diphenyl dichloroethane
Dichloro diphenyl trichlorobutane
What type of fertilizers can give crops instant supply of minerals ?
Organic fertilizers
Inorganic fertilizers
Who introduced organic farming?
Rachel Carson
Paul Muller
Charles Townsend
Richard Abegg
What type of food are fed to farm animals?
Fibrous food
Non fibrous food
Meat food
