HORTICULTURE

HORTICULTURE SCIENCE

ULTRA STRUCTURE OF PLANT CELLS AND ORGANS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The picture shows a cross-section of a plant stem viewed through a microscope. Y, the encircled region of the cross-section, is involved in creating support for the plant.Which level of organization is best represented by region Y?
A
Tissue, a collection of cells working together for a common purpose
B
Organ system, a group of organs performing individual functions
C
Organelle, a microscopic internal structure creating molecules
D
Cell, an individual compartment with a specialized function
Explanation: 

Detailed explanation-1: -The xylem and phloem that make up the vascular tissue of the stem are arranged in distinct strands called vascular bundles, which run up and down the length of the stem. When the stem is viewed in cross section, the vascular bundles of dicot stems are arranged in a ring.

Detailed explanation-2: -Ground tissue helps support the stem and is called pith when it is located towards the middle of the stem and called the cortex when it is between the vascular tissue and the epidermis.

There is 1 question to complete.