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Biology 23 > Photosynthesis > Flashcards

Photosynthesis Flashcards

1
Q

What is chlorophyll?

A

The pigment that gives plants their green color and helps the process of photosynthesis by ABSORBING light.

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2
Q

What is the chloroplast?

A

The PLANT CELL STRUCTURE where photosynthesis occurs.

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3
Q

What is the xylem?

A

The PLANT VASCULAR TISSUE that moves water and dissolved minerals UPWARDS towards the rest of the also provides physical support.

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4
Q

What is the process of photosynthesis?

A

Plants take in water and use carbon dioxide energy from the sun to turn them into food

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5
Q

What does photosynthesis mean?

A

Photo means LIGHT

Synthesis means TO MAKE

Photosynthesis means making with light

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6
Q

What source must you have to perform photosynthesis?

A

Light water and Co2.

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7
Q

What are the 4 minerals?

A

Potassium

Magnesium

Phosphorus

Nitrogen

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8
Q

How do plants use potassium?

A

For respiration and photosynthesis.

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9
Q

How do plants use nitrogen?

A

To make proteins to build new cells

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10
Q

How do plants use magnesium?

A

To make chlorophyll

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11
Q

How do plants use phosphorus?

A

For energy transfer

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12
Q

Whats the symbol equation for

Carbon dioxide+ water——> Glucose + oxygen

A

CO2 + H2O——> C6H12O6 + O2

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13
Q

What makes plants grow without soil?

A

Aeroponics

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14
Q

What do plants need to grow?

A

Sunlight

Nutrients

Water

Air

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15
Q

What is glucose used for?

A

Its used for respiration or converted to a starched stored.

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16
Q

Why do leaves have broad surfaces?

A

Because it has a large surface area to absorb light.

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17
Q

What metal is carbon?

A

Carbon is a common non metal.

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18
Q

What is a characteristic of carbon?

A

Carbon can bond with other gases, including carbon monoxide and carbon dioxide and carbon is found in every single living thing

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19
Q

What are 3 types of carbon.

A

Graphite

Diamond

Amorphous

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20
Q

Characteristic of graphite?

A

It is very soft

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21
Q

Characteristic of diamond?

A

It is a very hard substance

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22
Q

Characteristic of amorphus

A

Coal is found in Amorphous carbon deposits made millions of years ago

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23
Q

What is decomposition?

A

Its the process of breaking down a material

24
Q

What are decomposers?

A

They are the micro organisms that feed on feces and dead organisms they include bacteria and fungi

25
Q

What are fossil fuels?

A

the remains of dead plants and animals

26
Q

Name 3 examples of fossil fuels

A

Coal
Oil
Natural Gas

27
Q

What is combustion?

A

Its a reaction between a substance and oxygen in the air.

28
Q

What is the scientific word for burning?

A

Combustion

29
Q

Name 3 biotic factors

A

Plants
Animals
Microorganisms

30
Q

Name 3 abiotic factors

A

Carbon dioxide
Soil
Carbohydrates

31
Q

What do the leaves do?

A

Transport light and water within the plant

32
Q

What do the roots do?

A

Absorb minerals and water from the soil

33
Q

What does the stem do?

A

Transport glucose and water within the plant

34
Q

in the food chain what does the secondary consumer feed on?

A

The primary consumer

35
Q

What is an organism that consumes only plants called?

A

A herbivore

36
Q

What is an organism that uses light to make glucose for growth called?

A

A producer

37
Q

What will a primary consumer always be?

A

A herbivore

38
Q

In a food chain, what does the secondary consumer provide carbon to?

A

Tertiary consumer

39
Q

Where does respiration occur?

A

Mitochondria

40
Q

What is diffusion?

A

Movement of molecules from an area of high concentration to area of lower concentration.

41
Q

What is active transport?

A

The movement of materials through a cell membrane using energy

42
Q

When is osmosis?

A

Diffusion of water across selectively permeable membrane

43
Q

Similarities between photosynthesis and respiration

A

Involve exchange of gases and production of energy

44
Q

Differences between photosynthesis and respiration

A

In photosynthesis food is made

In the respiration food is broken down

photosynthesis takes place in chloroplast

Respiration takes place in the mitochondria

45
Q

Why is photosynthesis important?

A

It provides oxygen for consumers and makes food for plants

46
Q

What is transpiration?

A

Evaporation of water from the stomata of a leaf

47
Q

Why does transpiration happen

A

Helps regulate plants temperature, and maintain its shape

48
Q

What factors affect transpiration

A

High humidity reduce rate of transpiration, because the air is already moist, making it harder for water to the evaporate from the leaves

49
Q

What’s adhesion?

A

When water molecules are attracted to the walls of the vessel element

50
Q

What’s cohesion?

A

When water molecules are attracted to each other

51
Q

What’s a root hair cell?

A

Out growth of epidermal cells that absorb water and minerals from the soil

52
Q

How does water move through the root?

A

moves from the cell to cell through cell by osmosis, till it reaches the xylem

53
Q

What does the cell wall do?

A

Maintains cell shape

54
Q

What does the cell surface membrane do?

A

Controls what enters and leaves the cell

55
Q

What is a cytoplasm?

A

Where reactions take place

56
Q

What does a nucleus do?

A

Control center of the cell containing genetic information

57
Q

What does the vacuole do?

A

Stores the cell sap

Biology 23 (6 decks)

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