1. Mushroom is a _______ plant.   non-flowering   flowering   2. Cycas is a _______ plant.   naked-seeded   closed-seeded   3. Australian Cedar tree is the tallest flowering plant.   True   False   4. _______ is a closed-seeded flowering plant.   Fir   Oak   Pine   Spruce   Hint Half-n-half Clue   5. Mushroom is a _______.   fungus   fern   6. Ferns have leaves, stems, and roots.   True   False   7. _______ is a non-flowering plant.   Spirogyra   Plum