Plant Structure and Photosynthesis Flashcards

1
Q

What happens in the mesophyll tissue?

A

This is where most of the photosynthesis in a plant occurs

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2
Q

What does the xylem and phloem do?

A

They transport things like water, mineral ions and sucrose around the plant

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3
Q

What does the epidermal tissue do?

A

Covers the whole plant

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4
Q

how does photosynthesis produce glucose?

A

Through using sunlight

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5
Q

What tissues are leaves made of?

A

Mesophyll tissue
Xylem and phloem
Epidermal tissue

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6
Q

Where does photosynthesis happen?

A

Inside the chloroplasts

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7
Q

Chloroplasts contain a green substance called chlorophyll what does this do?

A

Chlorophyll absorbs sunlight and uses its energy to convert carbon dioxide and water into glucose

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8
Q

Name a method to control the amount of carbon dioxide…

A

To dissolve different amounts of sodium hydrogencarbonate in water which gives off carbon dioxide

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9
Q

Out of carbon dioxide, temperature and light intensity which graph is different?

A

Temperature.

if the plant gets too hot the enzymes it needs for photosynthesis will be damaged

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10
Q

What is a common way for farmers to increase the levels of carbon dioxide in a greenhouse?

A

A common way is to use a paraffin heater. As the paraffin burns it makes carbon dioxide as a by product

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11
Q

What is an advantage of keeping plants enclosed in a greenhouse?

A

It keeps them free from pests and diseases

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12
Q

Why may a farmer add fertilisers to the soil in plants in a greenhouse?

A

to provide all the minerals needed for healthy growth

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13
Q

What five ways do plants use glucose?

A
Respiration
Cell Walls
Making proteins
Stored in seeds
Stored as starch
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14
Q

How does glucose make proteins?

A

Glucose is combined with nitrate ions to make amino acid’s which are then made into proteins

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15
Q

Name for factors that are needed for photosynthesis…

A

Carbon dioxide
Water
Sunlight
Chlorophyll

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16
Q

What is meant by a limiting factor for the rate of photosynthesis?

A

A limiting factor is something that stops photosynthesis from happening any faster