1. Mango is a _______ plant.   non-flowering   flowering   2. Wolffia ('least duckweed') is the smallest flowering plant.   True   False   3. _______ is a non-flowering plant.   Spirogyra   Plum   4. _______ is a naked-seeded plant.   Sunflower   Cedar   Guava   Maple   Hint Half-n-half Clue   5. _______ is a flowering plant.   Mushroom   Guava   6. Cycas is a _______ plant.   closed-seeded   naked-seeded   7. Mushroom is a _______ plant.   non-flowering   flowering