Four kinds of cell found in the leaf of a green plant are shown below. 1 epidermal cells (guard cells not included) 2 guard cells 3 palisade mesophyll cells 4 spongy mesophyll cells Which of these cells contain chloroplasts?
- A1, 2, 3 and 4
- B1 and 2 only
- C2, 3 and 4 only
- D2 and 3 only