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Plant group with largest ovule, largest tree and largest gametes :
A
Gymnosperm
B
Angiosperm
C
Bryophyta
D
Pteridophyta
Detailed Solution
Gymnosperms hold several records in the plant kingdom:
Largest ovules: Cycas has the largest ovules (up to about 6 cm).
Largest (tallest) trees: Sequoia (redwood), over 100 m tall.
Largest male gametes (sperms): Cycas has large, multiciliate sperms visible to the naked eye, and large egg cells.
So the plant group with the largest ovule, largest tree and largest gametes is the gymnosperms.
Largest ovules: Cycas has the largest ovules (up to about 6 cm).
Largest (tallest) trees: Sequoia (redwood), over 100 m tall.
Largest male gametes (sperms): Cycas has large, multiciliate sperms visible to the naked eye, and large egg cells.
So the plant group with the largest ovule, largest tree and largest gametes is the gymnosperms.