Select the correct statement. (1) The stems are unbranched in Pinus and Cedrus. (2) In bryophyte...

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Select the correct statement.
(1) The stems are unbranched in Pinus and Cedrus.
(2) In bryophytes, the development of pollen grains takes place within the microsporangia.
(3) The protonema stage bears the sex organs.
(4) All pteridophytes exhibit a haplo-diplontic life cycle.
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