U3:KA1 - Food supply, plant growth and productivity Flashcards
1
Q
What is food security?
A
Food security is the ability of human populations to access food of sufficient quality and quantity
2
Q
What does an increase in human population and concern for food security lead to?
A
Demand for increased food protection
3
Q
What is all food production dependent on?
A
Photosynthesis
4
Q
What does increased food production rely on?
A
Factors which control plant growth
5
Q
Where does most human food come from?
A
A small number of plant crops: cereals (including rice), potato, roots and legumes
6
Q
Breeding of higher yielding cultivars by producing plants with what?
A
An increased yield
Disease/pest resistance
Higher nutritional values
Physical characteristics suited to harvesting
The ability to thrive in particular environmental conditions
7
Q
How do f
A
