MCQ
$C_4$ plants are adapted to
- ✓Hot and dry climate
- BTemperate climate
- CCold and dry climate
- DHot and humid climate
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$I -$ Tapetum nourishes the developing pollen grains.
$II-$ Hilum represents the junction between ovule and funicle
$III-$ In aquatic plants such as water hyacinth and water lily, pollination is by water:
$IV-$ The primary endosperm nucleus is tripoid.