Question

1. these are photographs of real stomata created using different imaging techniques. identify the parts labelled a, b and c.

Explanation:

Stomata are pores on plant leaves, surrounded by guard cells (A) that regulate opening/closing. The pore itself is B, and chloroplasts (C) are in guard cells for photosynthesis.

• A: Guard cell (regulates stomatal opening, has chloroplasts).
• B: Stomatal pore (opening between guard cells for gas exchange).
• C: Chloroplast (in guard cells, site of photosynthesis).

Answer:

A: Guard cell
B: Stomatal pore
C: Chloroplast