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Water and minerals that cross the cortex...

Water and minerals that cross the cortex through the Symplast move:

A

extracellularly along the matrix of cell walls

B

from cell to cell through plasmodesmata

C

by active transport

D

by pressure flow

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AI Generated Solution

The correct Answer is:
To solve the question "Water and minerals that cross the cortex through the Symplast move:", we need to analyze the options provided and understand the concept of symplastic transport in plants. ### Step-by-Step Solution: 1. **Understanding Symplastic Transport**: - Symplastic transport refers to the movement of water and solutes through the cytoplasm of plant cells. This movement occurs via plasmodesmata, which are small channels that connect adjacent plant cells. 2. **Analyzing the Options**: - **Option 1**: "Extracellular along the matrix of the cell wall" - This describes apoplastic transport, not symplastic. Therefore, this option is incorrect. - **Option 2**: "From cell to cell through the plasmodesmata" - This accurately describes symplastic transport, where water and minerals move from one cell to another through the cytoplasm connected by plasmodesmata. This option is correct. - **Option 3**: "By active transport" - Symplastic transport does not require energy in the form of active transport; it is a passive process. Thus, this option is incorrect. - **Option 4**: "By pressure flow" - Pressure flow refers to the movement of nutrients in the phloem, not the movement of water and minerals through the symplast. Therefore, this option is also incorrect. 3. **Conclusion**: - The correct answer is **Option 2**: "From cell to cell through the plasmodesmata". ### Final Answer: Water and minerals that cross the cortex through the Symplast move **from cell to cell through the plasmodesmata**.
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ICSE-TRANSPORT IN PLANTS -TEST YOUR PROGRESS (OBJECTIVE TYPE QUESTIONS )
  1. The strip in endodermal cell walls forces water and solutes that enter...

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  2. During the day, most plants lose .... and take up....

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  3. Water and minerals that cross the cortex through the Symplast move:

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  4. In order to enter the stele, water and minerals must pass through:

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  5. Stomata open when guard cells:

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  6. Which of the following is not part of the transpiration cohesion-adhes...

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  7. Guttation in plants results from

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  8. Water potentialis generally most negative in

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  9. The productivity of a crop begins to decline when the leaves begin to ...

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  10. Cut a twig from a tree and examine the cut surface with a magnifying g...

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  11. Which of the following structures or compartments is not part of the p...

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  12. The casparian strip affects (a) how minerals but not water move (b) ...

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  13. Field capacity is

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  14. Immerse a living cell in a hypotonic solution, and water will tend to ...

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  15. Pressure on a plant cell wall caused by osmotic movement of water is c...

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  16. The energy source that drives the upward flow of water is

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  17. The instrument which is used for measuring the humidity of air is know...

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  18. Which one of the following does not cause opening of stomata?

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  19. A cell placed in a hypertonic salt solution will shrink because

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  20. If cell A with OP = 5 and TP = 4 is surrounded by cells with OP = 3, a...

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