Which one of the following shows isogamy with non-flagellated gametes?
Which one of the following is wrong about Chara?
1. upper oogonium and lower round antheridium
2. Globule and nucule present on the same plant
3. Upper antheridium and lower oogonium
4. Globule is male reproductive structure
Which of the following is responsible for peat formation?
An alga which can be employed as food for human beings :