Question

Which out of the following is a mismatched pair?

• A. Hypostomatic - stomata present more on lower epidermis than on upper epidermis
• B. Epistomatic - stomata present more on upper epidermis only
  
• C. Amphistomatic - stomata nonfunctional or absent
• D. Sunken stomata - stomata deep seated below the surface

Answer 1

Answer: (C)

Amphistomatic - stomata nonfunctional or absent

A. Hyperstomatic leaf has stomata only on the abaxial or lower surface. of the leaf.

B. Epistomatic leaf has stomata on the adaxial or upper surface of the leaf only.

C. Amphistomatic leaf has stomata on both the adaxial (upper surface) and abaxial (lower surface) of the leaf.

D. Sunken stomata is a stoma present in a small pit that prevents water loss, decreasing water loss from the leaf.

So, the correct answer is 'Amphistomatic - stomata nonfunctional or absent'.