Supply the appropriate scientific term for
Shapeless swollen root occurring singly.

Explanation

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks for a scientific term that describes a specific type of root. The characteristics given are that it is "shapeless," "swollen," and "occurring singly."

2. **Identifying Key Characteristics**: The term "shapeless" suggests that the root does not have a defined shape, while "swollen" indicates that it is enlarged, likely for storage purposes. The term "occurring singly" implies that this root is found alone rather than in clusters.

3. **Connecting to Root Types**: In botany, roots can be modified for various functions, including storage. Swollen roots are often adaptations for storing nutrients, particularly carbohydrates.

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