Question:
Which of the following statements are correct about absorption of water in plants?
A. When water is absorbed by root hair cell its turgor pressure increases.
B. Its D.P.D. decreases.
C. The cortical cells immediately next to epiblema has more D. P. D.
D. A gradient of suction pressure develops from cells of the epiblema to the pericycle of the roots.
E. In roots, metaxylem is in close proximity with pericycle.
Choose the correct option given below.
Which of the following statements are correct about absorption of water in plants?
A. When water is absorbed by root hair cell its turgor pressure increases.
B. Its D.P.D. decreases.
C. The cortical cells immediately next to epiblema has more D. P. D.
D. A gradient of suction pressure develops from cells of the epiblema to the pericycle of the roots.
E. In roots, metaxylem is in close proximity with pericycle.
Choose the correct option given below.
A. When water is absorbed by root hair cell its turgor pressure increases.
B. Its D.P.D. decreases.
C. The cortical cells immediately next to epiblema has more D. P. D.
D. A gradient of suction pressure develops from cells of the epiblema to the pericycle of the roots.
E. In roots, metaxylem is in close proximity with pericycle.
Choose the correct option given below.
Show Hint
Check each statement: root xylem is exarch, so protoxylem, not metaxylem, lies next to the pericycle.
Updated On: Nov 12, 2026
- A, B, C and D only
- A, B, C and E only
- B, C, D and E only.
- A, C, D and E only
Show Solution
Verified By Collegedunia
The Correct Option is A
Solution and Explanation
Step 1: Understanding the Concept
D.P.D. (diffusion pressure deficit) is osmotic pressure minus turgor pressure, so DPD falls when turgor pressure rises.
Step 2: Check the statements
A is true: water entering the root hair raises its turgor pressure.
B is true: with higher turgor pressure its D.P.D. decreases.
C is true: the next cortical cell now has a higher D.P.D. and draws water from the root hair.
D is true: a gradient of suction pressure builds up inwards from the epiblema to the pericycle.
Step 3: Statement E
E is false: root xylem is exarch, so the protoxylem lies next to the pericycle and the metaxylem lies towards the centre.
Final Answer:
Statements A, B, C and D are correct, option (A). \[ \boxed{\text{(A) }\text{A, B, C and D only}} \]
D.P.D. (diffusion pressure deficit) is osmotic pressure minus turgor pressure, so DPD falls when turgor pressure rises.
Step 2: Check the statements
A is true: water entering the root hair raises its turgor pressure.
B is true: with higher turgor pressure its D.P.D. decreases.
C is true: the next cortical cell now has a higher D.P.D. and draws water from the root hair.
D is true: a gradient of suction pressure builds up inwards from the epiblema to the pericycle.
Step 3: Statement E
E is false: root xylem is exarch, so the protoxylem lies next to the pericycle and the metaxylem lies towards the centre.
Final Answer:
Statements A, B, C and D are correct, option (A). \[ \boxed{\text{(A) }\text{A, B, C and D only}} \]
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