A) The number of needles in a spur of Pinus roxburghii is three
B) Each vascular bundle in the long shoot of Pinus consists of xylem facing towards the centre of the shoot
C) Microsporophyll of Pinus bears two microsporangia
D) Pinus is a homosporous gymnosperm
Correct Answer: D
Solution :
Pinus is heterosporous. The sporogencsis results in the formation of micro and megaspores representing the first gametophyte cells.
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