Biologyhard · Past Paper
What is the main function of the 'Casparian strip' found in roots?
ATo speed up water transport
BTo block water and minerals from leaking back
CTo provide mechanical strength
DTo store starch
✓ Correct Answer: B — To block water and minerals from leaking back
The Casparian strip in the endodermis forces water to pass through the cell membrane, regulating nutrient uptake.
Share this question
More from Biology
- Which type of muscle is found in the walls of the heart?
- The largest known cell is:
- If a red-flowered plant is crossed with a white-flowered plant and the offspring are all pink, this is an example of:
- A bacterial cell's DNA is found in a region called the:
- Which of the following is a medicinal plant known as 'Neem'?