Moth Pronuba/Tegeticula is dependent for its survival on plant
(a) Magnolia
(b) Erythrina
(c) Adhatoda
(d) Yucca

Options

A. Magnolia
B. Erythrina
C. Adhatoda
D. Yucca.

Answer

To solve the question regarding the dependency of the moth Pronuba/Tegeticula on a particular plant, we can follow these steps:

### Step 1: Identify the Moth
The moth in question is known as Pronuba or Tegeticula. It is commonly referred to as the yucca moth.

**Hint:** Remember the common name of the moth can help you identify its relationship with specific plants.

### Step 2: Understand the Relationship
This moth has a specific relationship with certain plants. It is known to have an obligate mutualistic relationship with its host plant. This means that both the moth and the plant depend on each other for survival.

**Hint:** Look for keywords like "mutualistic" in the question to understand the nature of the relationship.

### Step 3: Analyze the Options
Now, let's analyze the options provided:
- (a) Magnolia
- (b) Erythrina
- (c) Adhatoda
- (d) Yucca

**Hint:** Focus on the name "yucca" in option (d) as it relates directly to the common name of the moth.

### Step 4: Identify the Correct Plant
The yucca moth (Pronuba/Tegeticula) is known to depend specifically on the yucca plant for its lifecycle. The moth lays its eggs in the flowers of the yucca plant, and the larvae feed on the seeds, while the moth helps in pollinating the flowers.

**Hint:** Think about which plant is commonly associated with the yucca moth in ecological studies.

### Step 5: Conclusion
Based on the analysis, the correct answer is (d) Yucca, as this is the plant on which the moth Pronuba/Tegeticula depends for its survival.

**Final Answer:** (d) Yucca