Xylem and Phloem (Leaving Cert Biology): Quizzes
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Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What are the two types of xylem?
What are the two types of xylem?
Vessels and tracheids
Is xylem living or dead tissue?
Is xylem living or dead tissue?
Dead tissue
What does xylem transport from the roots to the leaves?
What does xylem transport from the roots to the leaves?
Water and minerals
How do vessels compare in width to tracheids?
How do vessels compare in width to tracheids?
Wider than tracheids
Which is more efficient at transporting water?
Which is more efficient at transporting water?
Vessels
Which type of xylem is described as more primitive?
Which type of xylem is described as more primitive?
Tracheids
What two structures make up phloem?
What two structures make up phloem?
Sieve tubes and companion cells
What are the pores in the end walls of sieve tube cells called?
What are the pores in the end walls of sieve tube cells called?
Sieve plates
Do sieve tube cells contain a nucleus?
Do sieve tube cells contain a nucleus?
No
Why is phloem considered living tissue?
Why is phloem considered living tissue?
Because of the companion cells
What does phloem transport?
What does phloem transport?
Food from photosynthesis
What is the direction of flow in xylem?
What is the direction of flow in xylem?
Always upwards