Question

Spines in cactus are due to _______

• A. modifications of leaves
• B. modifications of stem
• C. modifications of flower
• D. modifications of bud

Answer 1

Answer:

A. modifications of leaves

Spines in cactus are due to modifications of leaves. Cactuses are mainly found in arid regions. So, in order to reduce transpiration of water leaves modify themselves into spines.