- 1(current)
Q. No.In a ring-girdled plant:
1. the shoot dies first
2. the root dies first
3. the shoot and root die together
4. Neither root nor shoot will die
2. the root dies first
3. the shoot and root die together
4. Neither root nor shoot will die
Subtopic: Â Phloem Translocation |
 75%
Level 2: 60%+
NEET - 2015
Hints
Function of companion cells is:
| 1. | Loading of sucrose into sieve elements |
| 2. | Providing energy to sieve elements for active transport |
| 3. | Providing water to phloem |
| 4. | Loading of sucrose into sieve elements by passive transport |
Subtopic: Â Phloem Translocation |
 60%
Level 2: 60%+
AIPMT - 2011
Hints
The translocation of organic solutes in sieve tube members is supported by:
1. root pressure and transpiration pull
2. P-proteins
3. mass flow involving a carrier and ATP
4. cytoplasmic streaming
Subtopic: Â Phloem Translocation |
 52%
Level 3: 35%-60%
AIPMT - 2006
Hints
- 1(current)
Q. No.
© 2025 GoodEd Technologies Pvt. Ltd.