- Opuntia (xerophytes) transform their leaves into spines to reduce surface area and speed up evaporation and transpiration to conserve water.
- The genus Opuntia is a member of the Cactaceae- family of cacti.
- In addition, they shield the plant from animals that are grazing.
- Opuntia, an Indian fig, is the species most commonly used in cooking. This species is referred to in most culinary usages of the term "prickly pear."
Hence, the correct answer is option 3).
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