HORTICULTURE

HORTICULTURE SCIENCE

ULTRA STRUCTURE OF PLANT CELLS AND ORGANS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Xylem tissue is
A
Dead
B
Alive
C
useless
D
A part of the roots system
Explanation: 

Detailed explanation-1: -xylem, plant vascular tissue that conveys water and dissolved minerals from the roots to the rest of the plant and also provides physical support. Xylem tissue consists of a variety of specialized, water-conducting cells known as tracheary elements.

Detailed explanation-2: -Biology definition: Xylem is a type of vascular tissue in plants. It is primarily involved in transporting water and minerals (from the roots to the shoot and leaves) and providing structural support. It is found in the stems and leaves of vascular plants.

Detailed explanation-3: -The xylem and phloem are grown within the central section of a root called a ‘stele’. In eudicots, the xylem usually forms a cross of cells within the stele which runs the length of the root. Four independent phloem strands grow between each bar of the xylem cross.

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