1. Cycas is a _______ plant.   naked-seeded   closed-seeded   2. Mushroom is a _______.   fungus   fern   3. _______ is a flowering plant.   Mushroom   Guava   4. Australian Cedar tree is the tallest flowering plant.   True   False   5. Spirogyra is _______.   a fungus   an algae   6. Bacteria have leaves, stems, and roots.   True   False   7. Ferns have leaves, stems, and roots.   True   False