NEET Botany Anatomy of Flowering Plants Xylem MCQs

In a plant experiencing severe drought, which adaptation related to xylem anatomy would MOST effectively minimize the risk of cavitation?

The protoxylem and metaxylem in a plant stem differ primarily in:

Balloon-shaped structures that block the xylem vessels in heartwood are known as:

Which of the following structures are responsible for blocking xylem vessels and contributing to the formation of heartwood?

The balloon-like outgrowths of parenchyma cells that obstruct xylem vessels, particularly in older woody tissues, are called:

In which part of a woody stem are tyloses most likely to be found, and what is their primary effect on water transport?

Given below are two statements:

Statement I: Endarch and exarch are terms used to describe the position of protoxylem in the plant body.

Statement II: Exarch condition is the most common feature of the root system.

In the light of the above statements, choose the correct answer from the options given below:

Which of the following correctly describes the xylem arrangement in a dicot root?

In a typical monocot stem, the xylem arrangement is:

If the protoxylem is located towards the center of the vascular bundle, the arrangement is termed: