Phaeophyceae

Match the columns I and II , and choose the correct combination from the options given . {:("Column I","Column II (Major pigments)"),((a)"Chloropyceae","(i) Chlorophyll a,c fucoxanthin"),((b)"Phaeophyceae","(ii) Chlorophyll a,d,phycoerythrin"),((c)"Rhodopphyceae",(iii)"Chlorophyll a,b"):}

Match the column I and II, and choose the correct combination from the options given {:(,underset(("Class"))("Column-I"),,underset(("Stored food material"))("Column-II")),("a.","Chlorophyceae","(i)","Floridean starch"),("b.","Phaeophyceae","(ii)","Starch"),("c.","Rhodoohyceae","(iii)","Laminain and mannitol"):}

Which of the following are the characteristics of phaeophyceae ? (i) possess chlorophyll a,c carotenoids and xanthophylls. (ii) Food stored is in the from of laminarin and mannitol. (iii) Asexual reproduction by biflagellate zoospores that have two equal apically attached flagella. (iv) Cell wall has cellulose and algin. (v) sexual reproduction is oogamous only. (vi) Gamestes have two laterally attached flagella.

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