Plant Nutrition Flashcards

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1
Q

Define photosynthesis

A

The process by which plants manufacture carbohydrates from raw materials using energy from light

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2
Q

What does chlorophyll do?

A

Transfers light energy into chemical energy in molecules, for the synthesis of carbohydrates

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3
Q

What does the plant do with sugar?

A
  • use glucose for respiration
  • convert it to starch and then to cellulose for building
  • convert it to starch for storage
  • convert it ro sucrose for transport
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4
Q

Factors that affect photosynthesis

A
  • light intensity
  • carbon dioxide concentration
  • temperature
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5
Q

Where does carbon dioxide diffuse in from?

A

The stoma

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6
Q

What opens and closes the stoma’s hole?

A

Guard cells

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7
Q

To increase the rate of photosynthesis…

A
  • thin
  • wide and flat
  • veins
  • stomata
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8
Q

Stomata purpose

A

Allows gases in and out

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9
Q

Chlorophyll purpose

A

Absorbs light

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10
Q

Broad purpose

A

Large area for light absorption

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11
Q

Veins purpose

A

Transport and support

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12
Q

Thin purpose

A

Allows gases to reach cells easily

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13
Q

Nitrogen mineral

A

Making amino acids and proteins for growth

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14
Q

Magnesium mineral

A

Making chlorophyll

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15
Q

Where do minerals come from?

A
  • rocks
  • natural fertilisers
  • artificial fertilisers
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