Which one of the following is not a correct statement?

Options

A. A museum has collection of photo- graphs of plants and animals
B. Key is a taxonomic aid for identifica- tion of specimens
C. Herbarium houses dried, pressed and preserved plant specimens
D. Botanical gardens have collection of living plants for reference

Explanation

To determine which statement is not correct, let's analyze each option provided in the question step by step.

### Step-by-Step Solution:

1. **Option 1: A museum has a collection of photographs of the plants and animals.**
- This statement is incorrect. Museums typically house actual specimens (preserved plants and animals) rather than photographs. Therefore, this statement is false.

2. **Option 2: A key is a taxonomic aid for the identification of the specimens.**
- This statement is correct. Taxonomic keys are tools used for identifying organisms based on their characteristics. They provide a systematic way to differentiate between species.

3. **Option 3: A herbarium houses dried, pressed, and preserved plant specimens.**
- This statement is also correct. A herbarium is a collection of preserved plant specimens that are dried and pressed for scientific study and reference.

4. **Option 4: Botanical gardens have a collection of living plants and references.**
- This statement is true as well. Botanical gardens maintain living collections of plants for research, education, and conservation purposes.

### Conclusion:
The only incorrect statement among the options is the first one: "A museum has a collection of photographs of the plants and animals." Therefore, this is the answer to the question.