Select the incorrect statement from the following.
I. NDRI is situated at Lucknow .
II. Plant families. Like convolvulaceae and solanaceae are included in the order polymoniales mainly based on the floral characters.
III. All living organisms such as from present , past and future are liked to one another by the sharing of the common genetic material but to varying degrees .
IV. The order Solanum, Datura and petunia are placed in family solanaceae .

Options

A. I only
B. II and IV only
C. IV only
D. II only

Answer

To solve the question, we need to analyze each statement provided and determine which one is incorrect.

### Step-by-Step Solution:

1. **Statement I: NDRI is situated at Lucknow.**
- The National Dairy Research Institute (NDRI) is actually located in Karnal, Haryana, not Lucknow.
- **Conclusion:** This statement is incorrect.

2. **Statement II: Plant families like Convolvulaceae and Solanaceae are included in the order Polymoniales mainly based on the floral characters.**
- The families Convolvulaceae and Solanaceae are indeed classified under the order Polymoniales based on floral characteristics.
- **Conclusion:** This statement is correct.

3. **Statement III: All living organisms, such as from present, past, and future, are linked to one another by the sharing of the common genetic material but to varying degrees.**
- This statement reflects the concept of common ancestry in biology, where all living organisms share genetic material to varying extents due to evolutionary relationships.
- **Conclusion:** This statement is correct.

4. **Statement IV: The order Solanum, Datura, and Petunia are placed in family Solanaceae.**
- Solanum, Datura, and Petunia are indeed members of the Solanaceae family.
- **Conclusion:** This statement is correct.

### Final Conclusion:
After analyzing all the statements, we find that the incorrect statement is **Statement I**. Therefore, the answer to the question is:

**Answer: Statement I is incorrect.**

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