Select Question Set:
Q. No.Given below are two statements:
I:
The process of translocation through phloem is unidirectional but through xylem, it is bidirectional
II:
The most readily mobilized elements are phosphorus, sulphur, nitrogen and potassium.
In light of the above statements, choose the most appropriate answer from the options given below:
1. Statement I is correct but Statement II is correct
2. Statement I is incorrect but Statement II is correct
3. Both Statement I and Statement II are correct
4. Both Statement I and Statement II are incorrect
Subtopic: Phloem Translocation | Photosynthesis Transpiration Compromise & Mineral Translocation |
57%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.
Given below are two statements:
| Assertion (A): | Transport in xylem and phloem is unidirectional and multidirectional, respectively. |
| Reason (R): | In a flowering plant there is complex traffic of compounds moving in different directions. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Phloem Translocation |
60%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Given below are two statements:
| Assertion (A): | It is the only means for gaseous movement within the plant body. |
| Reason (R): | Diffusion is very important to plants. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Diffusion |
55%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Given below are two statements:
| Assertion (A): | Water is often the limiting factor for plant growth and productivity. |
| Reason (R): | Plants have low demand of water. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Plant Water Relations: Water Potential: 2 |
79%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Given below are two statements:
| Assertion (A): | Pure water has maximum water potential. |
| Reason (R): | The greater the concentration of water in a system, the greater is its water potential. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Plant Water Relations: Water Potential: DPD |
66%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Given below are two statements:
| Assertion (A): | All solutions have a lower water potential than pure water. |
| Reason (R): | The concentration of water in a solution is less than pure water. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Water Potential Concept |
77%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Given below are two statements:
| Assertion (A): | Cell wall is not barrier to movement of small molecules. |
| Reason (R): | Cell wall is freely permeable to water and other substances in a solution. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Osmosis |
78%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Given below are two statements:
| Assertion (A): | Plant cell does not rupture in a hypotonic solution. |
| Reason (R): | Plant cell is surrounded by a rigid cell wall. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Plasmolysis |
80%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Given below are two statements:
| Assertion (A): | Imbibition is a type of diffusion. |
| Reason (R): | In imbibition, movement of water is along the concentration gradient. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Imbibition |
79%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Given below are two statements:
| Assertion (A): | Seeds can easily absorb water by imbibition. |
| Reason (R): | Seeds have no water & imbibition takes place against the concentration gradient. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Imbibition |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Select Question Set:
© 2024 GoodEd Technologies Pvt. Ltd.