Question

1. which of the following would be smallest in size? a. thylakoid disc b. spongy mesophyll c. chlorophyll d. chloroplast

Explanation:

Chlorophyll is a molecule. Thylakoid discs are membrane - bound structures in chloroplasts. Spongy mesophyll is tissue in leaves and chloroplasts are organelles. Molecules are generally the smallest in scale compared to organelles, tissue, and membrane - bound structures.

Answer:

C. chlorophyll