Study the following statements regarding significance of botanical gardens and select the incorrect one.

Options

A. These help in growing important plants of local flora and keeping their record.
B. These help in providing living plant material for research work.
C. These help in grawing and maintaining rare and endangered plants.
D. none of these

Answer

To solve the question regarding the significance of botanical gardens and to identify the incorrect statement, we can follow these steps:

### Step 1: Understand the Role of Botanical Gardens
Botanical gardens are institutions that grow a wide variety of plants for scientific, educational, and recreational purposes. They play a crucial role in the conservation of plant species, especially those that are rare or endangered.

### Step 2: Analyze Each Statement
1. **Statement 1**: "These help in growing important plants of local flora and keep their record."
- This statement is true. Botanical gardens do help in the cultivation of local plants and maintaining records of them.

2. **Statement 2**: "These help in providing living plant material for research work."
- This statement is also true. Botanical gardens provide essential plant materials for various research activities.

3. **Statement 3**: "These help in growing and maintaining rare and endangered species of plants."
- This statement is true as well. Botanical gardens are known for their efforts in the conservation of rare and endangered plant species.

4. **Statement 4**: "None of these."
- This statement suggests that none of the previous statements are incorrect. Since all previous statements are true, this statement implies that there is no incorrect statement among the first three.

### Step 3: Identify the Incorrect Statement
Since all three statements (1, 2, and 3) are correct, the only option that indicates an incorrect statement is option 4, which states "none of these." Therefore, option 4 is the answer to the question.

### Final Answer
The incorrect statement regarding the significance of botanical gardens is: **Option 4: None of these.**

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