[Answer] 8. This stem tuber is a widely-cultivated crop.

Step 1 : Introduction to the question "8. This stem tuber is a widely-cultivated crop."

...1. Potato 2. Potshot 3. Potful 4. Potation Potatoes can be prepared in a variety of ways: Mashed, baked, boiled, hash browns, french fries.... Mmm, french fries!

[Answer] 10. Which of these spices comes from the rhizome (or underground stem) of a plant?

Step 1 : Introduction to the question "10. Which of these spices comes from the rhizome (or underground stem) of a plant? "

...1. Caraway 2. Ginger 3. Savory 4. Poppy seed The wonderful spice ginger is taken from the rhizome of a plant originating in Asia that has an appearance like bamboo. Ginger is extensively used in Asian cooking, but also has found its way into western cooking. Ginger is very healthy deployed in tea, where it gives a powerful and healthy aroma.