Why do we use insecticides?
To kill fungi
To kill weed
To kill insects
To increase fertility of soil
What type of food are fed to farm animals?
Fibrous food
Non fibrous food
Compost
Meat food
Weeds are removed by:
fungicides
Insecticides
Fertilizers
Herbicides
What is DDT?
Dichloro diphenyl trichloroethane
Dichloro diphenyl trichloromethane
Dichloro diphenyl dichloroethane
Dichloro diphenyl trichlorobutane
Why are fertilizers added to soil?
To add the water content of the soil
To distribute the minerals in the soil
To replace the minerals that have been taken away in the crop
To kill pests and insects
In which way can weeds negatively affect crop plants?
Crop plants get less resources
Crop plants get killed
Crop plants grow very close to each other.
Crop plants grow less
BSE stands for:
Bombay Stock Exchange
Bovine Spongiform Encephalopathy
Butane Spongiform Encephalopathy
Bovine spondylitis Encephalopathy
What is GM?
Genetic Modification
Garbage mover
Gaseous mixture
Grand matriarch
Effectiveness of DDT was discovered by:
Rachel Carson
Paul Muller
Charles Townsend
Richard Abegg
How are seeds of plants formed?
By fertilization
By germination
By dispersal
By pollination
