HOTS HIGHER ORDER THINKING SKILLS : Think and Answer 1. Roots of pea, bean and gram plants have nodules on them. What is the function of these nodules ? 2. How are the nature of roots and venation in the leaves of a plant related ? 3. Why the banana "tree" is a herb? 4. A small plant has no leaves. It has fibrous roots. What type of venation would it show?