HORTICULTURE

HORTICULTURE SCIENCE

ULTRA STRUCTURE OF PLANT CELLS AND ORGANS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Tissue type that includes root hairs, trichomes, and guard cells.
A
dermal
B
vascular
C
ground
D
None of the above
Explanation: 

Detailed explanation-1: -1). It is composed of a single layer of epidermis cells. It may contains stomata and guard cells that allow gas exchange. It may contain root hairs that increase surface area or or trichomes used in transpiration or defense.

Detailed explanation-2: -The dermal tissue is largely composed of squat more or less cubic dermal cells, but it also contains specialist guard cells around the stomata, and various trichomes and root hairs.

Detailed explanation-3: -Dermal tissue may include hairs or trichomes, which have many different forms and functions.

Detailed explanation-4: -The stomata and root hair are dermal tissues that are essential for gaseous exchange, transpiration as well as absorption of water and minerals from the soil.

Detailed explanation-5: -Primary dermal tissues, called epidermis, make up the outer layer of all plant organs (e.g., stems, roots, leaves, flowers). They help deter excess water loss and invasion by insects and microorganisms.

There is 1 question to complete.