Consider the following statements regarding xerophytes and choose the correct answer:
1. The root system is very well developed in proportion to the shoot
2. In plants, such as Agave, the cells of mesophyll are very loosely packed
3. In majority of xerophytes the leaves are thick, fleshy with water storage tissue
4. In Opuntia, the function of photosynthesis is taken up by the stem itself

A. Only 1, 3 and 4 are true

B. Only 2, 3 and 4 are true

C. Only 2 and 4 are true

D. Only 1 and 4 are true

Answer: Option A