Which of the Following Are Responsible for Opening and Closing

question 9

Multiple Choice

Which of the following are responsible for opening and closing the stoma?

• A) Companion cells
• B) Cuticle cells
• C) Cork cells
• D) Sclerenchyma cells
• E) Guard cells

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Definitions:

Compound

An entity arising from the chemical merging of two or more elemental substances.

Aromatic

Compounds characterized by a ring of continuously overlapping p orbitals, leading to significant stability and unique reactivity, commonly found in benzene and its derivatives.

Π Network

An extended system of pi (π) bonds in a molecule, allowing for electron delocalization over more than two atoms.

Anti-aromatic

Anti-aromatic compounds are cyclic molecules that are destabilized by the presence of conjugated π electrons, failing to meet the criteria for aromatic stability.