What are legumes?
Substance that kills fungi
Substance used to kill insects and pests
Substance used to remove weeds
The main crops that produce seeds for food
Who introduced organic farming?
Rachel Carson
Paul Muller
Charles Townsend
Richard Abegg
How are seeds of plants formed?
By fertilization
By germination
By dispersal
By pollination
How is fungi killed ?
By insecticides
By fertilizers
By pesticides
By fungicides
Effectiveness of DDT was discovered by:
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
What type of food are fed to farm animals?
Fibrous food
Non fibrous food
Compost
Meat food
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.
BSE stands for:
Bombay Stock Exchange
Bovine Spongiform Encephalopathy
Butane Spongiform Encephalopathy
Bovine Spondylitis Encephalopathy
How can the rate of photosynthesis be increased?
By planting more weeds
By regulating the amount of light, temperature and carbon dioxide
By adding more fertilizers
By planting more trees
