HORTICULTURE

HORTICULTURE SCIENCE

ULTRA STRUCTURE OF PLANT CELLS AND ORGANS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following terms refers to the waxy coating on the outside of leaves?
A
Cuticle
B
Phloem
C
Stomata
D
Xylem
Explanation: 

Detailed explanation-1: -The correct option is A. Epidermis of leaf. The cuticles are protective, hydrophobic, waxy coverings produced by the epidermal cells of leaves, young shoots and all other aerial plant organs. Cuticles minimize water loss and effectively reduce pathogen entry due to their waxy secretion.

Detailed explanation-2: -Answer: The waxy covering on plant leaves, young stems, and fruit is called the “cuticle".

Detailed explanation-3: -In most cases, the majority of compounds comprising the cuticular wax are derived from very-long-chain fatty acids (VLCFAs; C20–C34), including alkanes, aldehydes, primary and secondary alcohols, ketones, and esters (Table I).

Detailed explanation-4: -A thin waxy layer is present outside the epidermis of leaves that prevents excessive water loss from plants is called the cuticle.

There is 1 question to complete.