Question

a student is examining leaf cells. which organelles are missing from the cells? ribosomes chloroplasts centrioles mitochondria

Explanation:

Ribosomes are involved in protein - synthesis and are present in leaf cells. Chloroplasts are responsible for photosynthesis and are abundant in leaf cells. Mitochondria are the power - houses of the cell and are present in leaf cells. Centrioles are mainly found in animal cells and are absent in most plant cells like leaf cells.

Answer:

C. centrioles