
Phloem Function and Structure in Plants
Interactive Video
•
Biology
•
9th - 10th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary role of sieve tube cells in plants?
To transport water from roots to leaves
To provide structural support to the plant
To actively transport organic molecules from source to sink
To store nutrients for later use
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do companion cells assist in the translocation of sugars?
By providing energy for active transport
By absorbing water from the soil
By storing excess sugars
By converting sugars into starch
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of hydrostatic pressure in the phloem?
To store water in the roots
To evaporate water from leaves
To push sugars down the sieve tube
To absorb nutrients from the soil
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main function of the phloem in plants?
To filter waste materials
To carry water for the transpiration stream
To actively translocate sugars
To reduce turgor pressure
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which process requires energy in the phloem?
Passive diffusion of water
Evaporation of water
Active translocation of sugars
Photosynthesis
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which part of the plant structure is identified as the phloem in diagrams?
The central pith
The outer layer with smaller circles
The innermost layer
The layer with large circles
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of understanding plant structure in relation to phloem?
To determine the plant's age
To predict flowering time
To understand the movement of sugars
To identify the best time for watering
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