MCQ
Pollination by water is seen in
- ANelumbium
- ✓Vallisneria
- CEichornia
- DNymphaea
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$(i)$ Grows from external surface by collecting substance on it.
$(ii)$ Grows from internal surface like living.
$(iii)$ Do not grow at all.
Which of the followings option is correct?
$I.$ Leafy stage is produced from the secondary protonema as a lateral bud
$II.$ They consist of upright, slender axes bearing spirally arranged leaves
$III.$ They are attached to the soil through multicellular rhizoids
$IV.$ This leafy stage bears the sex organ
Which of the statements given above are correct?