Read the following statements and choose the correct option: 1. Phyllotaxy is the pattern of arrangement of leaves on the stem or branch. 2. In alternate type of phyllotaxy, a pair of leaves arise at each node and lie opposite to each other. 3. The example of alternate type of phyllotaxy is mustard and sunflower plants 4. If more than two leaves arise at a node and form a whorl, it is called whorled, as in Alstonia.