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Observing Photosynthesis

Last updated over 1 year ago

24 questions

Note from the author:

POGIL- about experimental variables and photosynthesis

1 point

1

Question 1

1.

What process is occurring in the plant's cells?

transcription

DNA replication

membrane transport

photosynthesis

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1

Question 2

2.

What gas is the plant producing?

oxygen

carbon dioxide

nitrogen

hyrodgen

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Question 3

3.

What source of energy is the plant using?

glucose

the light

ATP

magic

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Question 4

4.

How could you measure the rate of gas production?

count the leaves on the plant

count the gas bubbles

measure the sunlight

use a scale

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Question 5

5.

Identify THREE environmental factors that may factor the affect rate of gas production

amount of sunlight

amount of soil 

amount of carbon dioxide available

the amount of oxygen available

the amount of water available

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Question 6

6.

Identify TWO conditions that are the same in each trial

Plant and number of leaves

Water level

Amount of light the plant receives (mesh)

Number of gas bubbles produced

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Question 7

7.

Identify the one condition that has been changed in the four experiments

Plant type

Amount of water

Amount of light the plant receives

The beaker size

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Question 8

8.

How does the mesh screen affect the rate of gas production?

plants exposed to more light make more oxygen gas bubbles 

the mesh screen does not affect gas production

plants exposed to less light make more carbon dioxide

plants exposed to more light make more hydrogen gas

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Question 9

9.

The plants labeled A, B, C, and D all have the same amount of leaves. How many leaves are on each plant?

6

9

15

3

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Question 10

10.

Plant A has 100% light reaching it. How many oxygen bubbles formed?

6

2

8

4

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Question 11

11.

Plant B has 75% light reaching it. How many oxygen bubbles formed?

6

2

8

4

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1

Question 12

12.

Plant C has 50% light reaching it. How many oxygen bubbles formed?

6

2

8

4

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1

Question 13

13.

Plant D has 25% light reaching it. How many oxygen bubbles formed?

6

2

8

4

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1

Question 14

14.

The variable the was purposefully changed is

the percentage of light

the number of leaves

the lenght of hte clippings

lamp power

number of oxygen bubbles

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1

Question 15

15.

The variable changed as a result?

the percentage of light

the number of leaves

the lenght of hte clippings

lamp power

number of oxygen bubbles

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Question 16

16.

What variables in the table remained the same. Click ALL that apply.

the percentage of light

the number of leaves

the lenght of the clippings

lamp power

number of oxygen bubbles

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Question 17

17.

Identify the independent variable for the plant experiment.

the percentage of light

the number of leaves

the lenght of clippings

lamp power

the amount of oxygen

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1

Question 18

18.

Identify the independent variable for the plant experiment.

the percentage of light

the number of leaves

the lenght of clippings

lamp power

the amount of oxygen

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Question 19

19.

A

B

C

D

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Question 20

20.

A

B

C

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1

Question 21

21.

A

B

C

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1

Question 22

22.

A

B

C

D

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1

Question 23

23.

A

B

C

D

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1

Question 24

24.

A

B

C

D