NEET Botany - MCQ Practice Questions

Which anatomical feature distinguishes the anatomy of a typical dicot leaf petiole from that of a monocot?

Tracheids differ from vessel elements in that tracheids:

The mestome sheath observed in some monocot leaves functions primarily to:

The phenomenon of radial vascular bundles is characteristic of:

Companion cells in angiosperms are specifically associated with:

In hydrophytic plants, aerenchyma tissue is primarily composed of:

The anatomical basis for the superior mechanical strength of dicot stems compared to monocot stems is:

In gymnosperms, the conducting tissue in xylem is primarily composed of:

The anatomical adaptation of sunken stomata in xerophytes is primarily effective because it:

The presence of sclerenchyma fibers in the phloem tissue (phloem fibers) primarily serves to:

Companion cells in phloem are primarily associated with:

The anatomical feature that distinguishes protoxylem from metaxylem is:

In xerophytic plants, the cuticle is typically:

The pith in a dicot stem is composed of:

Which of the following cells in xylem are living at maturity?

In hydrophytes, the absence of extensive xylem development is primarily because:

In a transverse section of a typical dicot root, which tissue layer is responsible for initiating lateral roots?

The stomatal density in mesophytic plants compared to xerophytic plants is typically:

The lenticels in woody stems are primarily involved in:

In a transverse section of a typical monocot stem, the vascular bundles are arranged in a scattered pattern throughout the ground tissue. Which of the following anatomical features best explains why monocots can tolerate continuous growth and damage to their vascular tissues better than dicots?