Read the following statements (a - e) and answer as asked
(a) In Equisetum, the female gametophyte is retained on the parent sporophyte
(b) In Ginkgo, male gametophyte is not independent
(c) The sporophyte in Riccia is more developed than that in Polytrichum
(d) Sexual reproduction in Volvox is isogamous
(e) The spores of slime moulds lack cell walls
How many of above statements are correct