Mention the statement given below are true or false 1. In axile placentation ovules are arranged

Hi, I have a question and I hope anyone could answer it:

Mention the statement given below are true or false 

1. In axile placentation ovules are arranged in axis of single-chambered ovary 

2. In Imbricate aestivation oral appendages are in irregular overlapping 

3. In Alstonia phyllotaxy is whorled 

4. Floral axis has definite growth in racemose type