Go through the following statements
(i) IN chlorophyceae the flagella re 2 in number, unequal in size and lateral in position
(ii) In phaeophyceae flagella are 2-8 in number, equal in size and apical in position (iii) Chlorella and Spirullina re rich in proteins and are used as food supplements even by space travellers. (iv) The leaves in pteridophyta are microphylls as in Selaginella or macrophylls as in ferns.
Which of these are correct