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Reproduction In Organisms

Question
CBSEENBI12002204

Monoecious plant of Chara shows occurrence of 

  • antheridiophore and archengoniophore on the same point

  • stamen and carpel on the same plant

  • upper antheridium and lower oogonium on the same plant

  • upper oogonium and lower antheridium on the same plant

Solution

D.

upper oogonium and lower antheridium on the same plant

Monoecious or homothallic, a condition in Chara (green algae) is used to denote upper oogonium and lower antheridium on the same plant. The organisms, which possess both the reproductive organs are bisexual. Unisexual condition represents both male or female organs in the same organism.