potometer and rate of transpiration
Authored by teji𝜗𝜚 •
Biology
10th Grade
Used 16+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which picture shows the epidermis?
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The xylem and phloem together are know as
vascular bundles.
the mesophyll.
stomates.
guard cells.
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Select all of the environmental factors that would increase transpiration.
Increased humidity
Increased wind speed
Increased temperature
Decreased surface area
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following must be done when setting up a potometer to get accurate results?
I. cut the plant shoot underwater
II. cut the plant shoot at an angle
III. seal the joints with vaseline (grease)
I and II only
I and III only
II and III only
I, II and III
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Why would the tap on a potometer be opened?
to supply the plant with more water for photosynthesis
to allow more air bubbles into the apparatus
to move the air bubble back to zero so the experiment can be repeated
to allow the plant to get rid of waste products
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In what direction would the air bubble in the capillary tube move when the plant transpires?
right
left
left then right
right then left
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A student uses a potometer to investigate the effect of temperature on the rate of transpiration.
What would be the dependent variable in this experiment?
temperature
mass of plant
time allowed for transpiration
distance moved by bubble in a fixed time
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