Quiz 2, Chapter 1, pp. 12-15 Flashcards

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1
Q

The primary plant food element that stimulates the growth of stems and leaves is

A

nitrogen

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2
Q

Which of the following is NOT a primary plant food element?

A

calcium

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3
Q

A substance composed of only one type of atom is an

A

element

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4
Q

The word that means “a nourishing substance” is

A

nutrient

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5
Q

Nitrogen-fixing bacteria convert atmospheric nitrogen into nitrogen compounds, including nitrates and

A

ammonia

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6
Q

general term for a substance containing 2 or more elements bonded together

A

compound

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7
Q

main function is to contribute to the general health of a plant and improve disease resistance

A

potassium

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8
Q

group of chemicals containing phosphorus bonded to oxygen and other elements

A

phosphates

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9
Q

makes fruits “firm up” properly

A

phosphorus

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10
Q

system that moves nitrogen from the atmosphere to the soil and back

A

nitrogen cycle

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