Neet Solved Paper 2015 Question 21
Question: In a ring girdled plant
Options:
A) the shoot dies first
B) the root dies first
C) the shoot and root die together
D) Neither root nor shoot will die
Show Answer
Answer:
Correct Answer: B
Solution:
- In a ring girdled plant, the process of girdling involves removing a strip of bark from around the entire circumference of the stem or trunk. This disrupts the phloem, which is responsible for transporting nutrients (mainly sugars produced by photosynthesis) from the leaves to other parts of the plant, including the roots.
As a result, the roots are deprived of essential nutrients and eventually die. Once the roots die, they can no longer support the plant by absorbing water and minerals from the soil, leading to the eventual death of the shoot as well.
BETA
