3.1 - Food supply, plant growth and productivity Flashcards

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1
Q

What is food security?

A

Access food of sufficient quality and quantity

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2
Q

What causes a demand for increased food production?

A

Increase in human population and a concern for food security

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3
Q

What are the requirements for food production?

A

It must be sustainable and not degrade the natural resources on which agriculture depends

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4
Q

What are the factors that control plant growth?

A

Breeding of higher yielding cultivars, use of fertiliser, protecting crops from pests, disease and competition

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5
Q

What does agricultural production depend on?

A

Factors that control photosynthesis and plant growth

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6
Q

What are the 3 fates of light?

A

Absorbed, Transmitted and Reflected

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7
Q

What are some plant crop examples?

A

Cereals, potato, roots and legumes

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8
Q

What is the light energy absorbed by photosynthetic pigments used for?

A

To generate ATP and for photolysis

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9
Q
A
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