The diagram shows the path that water takes as it is absorbed into the roots of a plant - Leaving Cert Biology - Question b - 2021
Question b
The diagram shows the path that water takes as it is absorbed into the roots of a plant.
(i) Name the method which water moves from the soil into the roots.
(ii) N... show full transcript
Worked Solution & Example Answer:The diagram shows the path that water takes as it is absorbed into the roots of a plant - Leaving Cert Biology - Question b - 2021
Step 1
Name the method which water moves from the soil into the roots.
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The method which water moves from the soil into the roots is called osmosis.
Step 2
Name the structure labelled A that absorbs water from the soil.
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The structure labelled A that absorbs water from the soil is known as root hair.
Step 3
What else could be absorbed through structure A into the root in addition to water?
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
In addition to water, minerals (or a named mineral) could also be absorbed through structure A into the root.
Step 4
Name the vessels labelled B that transport water within the roots of a plant.
98%
120 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The vessels labelled B that transport water within the roots of a plant are called xylem.
Step 5
Describe two ways the vessels labelled B are adapted to their function.
97%
117 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The vessels labelled B are adapted to their function by being narrow/hollow to allow efficient water transport and containing lignin which provides structural support.
Step 6
Name the process responsible for the upward movement of water through the vessels labelled B.
97%
121 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The process responsible for the upward movement of water through the vessels labelled B is either transpiration or root pressure.
Step 7
Name structure C.
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Structure C is named the phloem.
Step 8
Give one way structure C is adapted to carry out its function.
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Structure C is adapted to carry out its function by having living sieve plates or tubes or companion cells that facilitate the transport of food.
Join the Leaving Cert students using SimpleStudy...
