Question
Which groups depend on external source of free water
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$(A)$ 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 the above statements are correct?
| Compound | Function |
| $2,4-D$ | $A$ |
| $B$ | Fruit ripening |