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Science 8a > Lesson 2 > Flashcards

Lesson 2 Flashcards

1
Q

State the purpose of photosynthesis in plants?

A

For plants to make there own energy

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2
Q

What does photosynthesis need?

A

Sunlight
Water
Carbon dioxide / C02
Chlorophyll
Nutrients

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3
Q

What does photosynthesis produces?

A

Oxygen
Sugar

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4
Q

What is photosynthesis essential for and where does it take place?

A

Photosynthesis is essential for growth and takes place in plants

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5
Q

What are green plants?

A

They are producers

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6
Q

What can producers survive without?

A

Without sugar

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7
Q

What do producers need?

A

Carbon dioxide and water

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8
Q

What can plants make that are complete?

A

Oxygen , starch, fat and proteins

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9
Q

What sugars can plants make?

A

Glucose

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10
Q

What chemical does sunlight get trapped into?

A

Chlorophyll

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11
Q

What does chlorophyll do in plants?

A

It makes the the plant green

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12
Q

When plants use carbon dioxide and water to make glucose there is a lot of _ _ _ _ _ left over

A

Sugar

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13
Q

Describe the function of the leafs organ?

A

It catches light for water to drop into the floor

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14
Q

Describe the function of the roots organs?

A

provides water and stores it and nutrients

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15
Q

Describe the function of the stems organs?

A

It holds up the plant and transfers water

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16
Q

In which part of a plant cell does photosynthesis take place?

A

Chloroplast

17
Q

Which of the following is a specialisation which enables the roots of plants to efficiently?

A) a large surface are
B) a small surface area
C) many chloroplasts
D)thick cell walls

A

A large surface area

18
Q

What does a waxy cuticle do?

A

It is waterproof and protects it like a barrirer

19
Q

What do Guard cells do?

A

They open and close to let carbon dioxide in and oxygen out

20
Q

What do Stomata do?

A

The stomata makes sure that there is enough water in the leaf

21
Q

What do Air space do?

A

Air space lets gases flow

22
Q

What do Spongy mesophyll do?

A

the exchange of gases essential to the process of photosynthesis

23
Q

What do Palisade cells do?

A

The function of the palisade cell is photosynthesis. Each palisade cell contains chloroplasts which are used during this process.

Science 8a (10 decks)

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