Question

when a plant part undergoes senescence the nutrients may be
1. export
2. withdrawn
3.translocated
4. none of the above

Answer 1

Nutrients will be translocated from senescent parts to younger parts..

Mostly in case of leaves, nutrients gets translocated from older leaves to younger leaves

This process is also called as Remobilisation of nutrients

Answer 2

2. Withdrawn

When the part of plant undergoes senescence its nutrients are withdrawn and passed to newly born parts.