Limiting Factors of Photosynthesis

Quiz
•
Science
•
10th Grade
•
Hard
+1
Standards-aligned
Charles Martinez
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Assume that to produce 1 unit of sugar by photosynthesis, each of the plants referred to in the following table must receive 3 units of CO2, 3 units of water and 6 units of light.
a. How much sugar will plant A be able to make?
1 unit
2 units
3 units
4 units
Tags
NGSS.MS-LS1-6
NGSS.MS-LS2-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Assume that to produce 1 unit of sugar by photosynthesis, each of the plants referred to in the following table must receive 3 units of CO2, 3 units of water and 6 units of light.
b. Which factor is in shortest supply and is holding up plant A’s photosynthesis?
Carbon dioxide
Water
Glucose
Light
Tags
NGSS.MS-LS1-6
NGSS.MS-LS2-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Assume that to produce 1 unit of sugar by photosynthesis, each of the plants referred to in the following table must receive 3 units of CO2, 3 units of water and 6 units of light.
c. Which plant will be able to make the greatest number of sugar units?
A
B
C
D
Tags
NGSS.MS-LS1-6
NGSS.MS-LS2-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Assume that to produce 1 unit of sugar by photosynthesis, each of the plants referred to in the following table must receive 3 units of CO2, 3 units of water and 6 units of light.
d. If plant E is given an unlimited supply of light energy, how many units of sugar will it be able to make under the conditions given?
1 unit
2 units
4 units
6 units
Tags
NGSS.MS-LS1-6
NGSS.MS-LS1-7
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. The diagram shows an investigation into the effect of light intensity on photosynthetic rate.
The number of oxygen bubbles released per minute by the cut end of an Elodea stem indicates the rate at which photosynthesis.
At first the lamp is placed exactly 100 cm from the plant and the number of bubbles released per minute counted.
The lamp is then moved to a new position and the rate of bubbling recorded. The process is repeated for different lamp positions.
The results are shown in the table.
a) What effect does increasing light intensity have on the rate of photosynthesis at the low light intensity levels?
It has no effect
It causes the rate to increase very slowly
It causes the rate to increase rapidly
It causes the rate to remain constant
Tags
NGSS.MS-LS1-6
NGSS.MS-LS2-3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
b. At high light intensity, what effect does increasing light intensity have on the rate of photosynthesis? Suggest a reason for this.
The rate begins to slow down to a constant rate as other factors like Carbon dioxide and temperature will limit photosynthesis
The rate will decrease as now more light is being used
The rate continues to increase as photosynthesis is happening
The rate will become constant because the plant no longer needs light for photosynthesis after it has collected enough
Tags
NGSS.MS-LS1-6
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