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GCSE Biology > B6 - Photosynthesis > Flashcards

B6 - Photosynthesis Flashcards

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1
Q

What are the two products of photosynthesis?

A

Glucose and oxygen

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2
Q

What provides the energy for photosynthesis to happen?

A

Light

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3
Q

What do we call the holes in the leaf through which the carbon dioxide enters?

A

Stomata

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4
Q

The specialised cells that trap the sunlight contain a lot of?

A

Chlorophyll

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5
Q

What compound do plants absorb from the soil that they need for photosynthesis?

A

Water

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6
Q

Name the layer of leaf cells that has the most chloroplasts (the plant cell organelles that contain chlorophyll).

A

Palisade layer

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7
Q

What is the missing chemical? _______ + water > glucose + oxygen

A

Carbon dioxide

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8
Q

What chemical is used to test for starch?

A

Iodine

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9
Q

Why do leaves have a large surface area?

A

To trap sunlight

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10
Q

Which of the changes below will not increase photosynthesis?

A

Increased concentration of oxygen

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11
Q

What is the name for the process by which the carbon dioxide enters the leaf?

A

Diffusion

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12
Q

What type of reaction is photosynthesis?

A

Endothermic

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13
Q

Plants store glucose as

A

Starch

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14
Q

Chlorophyll is

A

A green pigment found in chloroplasts

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15
Q

What do we call the tube that carries the glucose once it is made by the leaves?

A

The phloem

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16
Q

What is the name of the hollow tube that takes water into the leaf?

A

The xylem

17
Q

Once the carbon dioxide enters the leaf it passes through gaps in a layer of cells called ?

A

Spongy mesophyll

18
Q

Limiting factors: there are three things that affect how much photosynthesis takes place in a plant. What are they?

A

Light intensity, carbon dioxide concentration and temperature

19
Q

What is glucose used for in the plant?

A

Respiration, storage and cellulose for cell wall

20
Q

What is true about root hair cells?

A

They don’t have chloroplasts

GCSE Biology (14 decks)

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