Which of the following statements with respect to algae are correct.

i. Fusion between one large, non-motile female gamete and a smaller, motile male gamete is termed as oogamous.

ii. Fusion of two gametes dissimilar in size is termed as oogamous.

iii. Fusion of two gametes similar in size is called anisogamous.

iv. In chlorophyceae, the major pigments are chlorophyll a and b , and the food is stored as starch.

v. In rhodophyceae, the major pigments are chlorophyll a and d, and the food is stored as mannitol.