Photosynthesiz Flashcards

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1
Q

Plants use sunlight energy to make

A

Their own food.

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2
Q

Plants are _________hs

A

Autotrophs.

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3
Q

Photosynthesis is the process in which

Hint

Photosynthesis is _______

A

In which glucose and oxygen is made by plants from carbon dioxide and water.

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4
Q

Light from sun is NEEDED

A

As a source of energy.

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5
Q

Chlorophyll is NEEDED

A

As a catalyst for the process

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6
Q

Photosynthesis is represented by the balanced equations :

CARBON DIOXIDE

A

6CO2

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7
Q

Photosynthesis is represented by the balanced equations :

WATER

A

6H20

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8
Q

Photosynthesis is represented by the balanced equations :

SUGAR

A

C6 H12 O6

C 6 • H 12 • O 6

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9
Q

Photosynthesis is represented by the balanced equations :

OXYGEN

A

6O2

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10
Q

The source of raw materials for photosynthesis:

CARBON DIOXIDE enters

A

Through the STOMATA

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11
Q

The source of raw materials for photosynthesis :

WATER comes up VIA

A

To the leaf from the roots VIA the xylem vessels in the vein.

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12
Q

Photosynthesis requires Chlorophyll because

A

Photosynthesis requires the presence of a green pigment in the plant cell.

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13
Q

What is Chloroplast found where?

A

It is a pigment found in a cellular organelle.

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14
Q

FOUR THINGS PHOTOSYNTHESIS requires :

A

Water

Carbon Dioxide

Light Energy

Chlorophyll

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15
Q

THE THREE ROLES OF PHOTOSYNTHESIS

A
  1. Plants use it to make food.
  2. Animals get their food from plants.
  3. Produces o2 that living things need to obtain energy.
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16
Q

6CO2 is …

6H2O is….

C6 H12 O6 is….

6O2 is …..

A

Carbon dioxide
Water
Sugar/Glucose
Oxygen

17
Q

The main EVENTS in Photosynthesis.

STEP ONE

A

Light energy is absorbed by chlorophyll.

18
Q

The main EVENTS in Photosynthesis.

STEP TWO

A

Water is split using sunlight energy.

19
Q

The main EVENTS in Photosynthesis.

STEP THREE

A

Sunlight energy trapped by chlorophyll is passed onto electrons inside that from

HIGH ENERGY ELECTRONS.

20
Q

The main EVENTS in Photosynthesis.

STEP FOUR

A

HIGH ENERGY ELECTRONS stored protons and CO2 MAKE GLUCOSE.

21
Q

Photosynthesis in Farming.

Plants produce…

A

Plants produce cereals fruits and vegetables which are needed to make food for cattle.

22
Q

Photosynthesis & Agriculture & Plant Yields.

What is a plant yield?

A

A plant yield means how much food a plant will produce for a grower.

23
Q

Photosynthesis & Agriculture & Plant Yields.

Greenhouses raise what to increase what

A

Green houses raise temperatures to increase rate of photosynthesis.

24
Q

Photosynthesis & Agriculture & Plant Yields.

Carbon Dioxide added to what to increase what

A

Carbon dioxide can be added to greenhouses to INCREASE crop yields.

25
Q

Photosynthesis & Agriculture & Plant Yields.

Artificial Light used in what areas to increase what during what

A

Artificial Light can be used in shaded areas to increase photosynthesis even during night.

26
Q

PAUSE

A

PAUSE