Who introduced organic farming?
Rachel Carson
Paul Muller
Charles Townsend
Richard Abegg
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
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
Weeds are removed by:
fungicides
Insecticides
Fertilizers
Herbicides
Effectiveness of DDT was discovered by:
Who was Rachel Carson?
Chemist
Teacher
Ecologist
Doctor
Which of the following factors affects photosynthesis in plants?
Amount of light
Amount of oxygen
Amount of water vapor
Amount of weeds
Why do we use insecticides?
To kill fungi
To kill weed
To kill insects
To increase fertility of soil
Pests are killed by :
Pesticides
Manure
Compost
