The Giant Redwood tree (Sequoia sempervirens) is a/an
(a) Gymnosperm
(b) Free fern
(c) Pteridophyte
(d) Angiosperm
Ans. (a) Gymnosperm.
Explanation: Redwood trees are a Gymnosperm which have earned many labels; known as the tallest tree, oldest tree, largest by trunk volume, etc.