HORTICULTURE

HORTICULTURE SCIENCE

ULTRA STRUCTURE OF PLANT CELLS AND ORGANS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Name the outer structure of the plant that provides support that is found only in plant cells.
A
cell wall
B
vacuole
C
cell membrane
D
nucleus
Explanation: 

Detailed explanation-1: -A cell wall is a rigid layer that is found outside the cell membrane and surrounds the cell. The cell wall contains not only cellulose and protein, but other polysaccharides a s well . The cell wall provides structural support and protection.

Detailed explanation-2: -The organelles found only in plant cells include-chloroplast, cell wall, plastids, and a large central vacuole. The chloroplasts contain a green pigment chlorophyll that is responsible for the process of photosynthesis.

Detailed explanation-3: -The plant cell wall has a diversity of functions. It provides a structural framework to support plant growth and acts as the first line of defense when the plant encounters pathogens.

Detailed explanation-4: -The epidermis is the protective outer layer of clonally related cells covering all plant organs.

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