1. The gas that is exhaled by plants is _______ (during respiration).   Oxygen   Nitrogen   Carbon Dioxide   Hint Half-n-half Clue   2. The organic material contained in soil is known as humus.   True   False   3. The _______ of carrots and turnips are eaten by man.   stems   roots   leaves   Half-n-half Clue   4. Which of the following conifers is not an evergreen?   Cedar   Larch   Pine   Spruce   Fir   Half-n-half Clue   5. Which of the following words/phrases is generally not applicable to plants?   Organic Food   Mineral Food   Transpire   Green   Stationary   Half-n-half Clue   6. Wheat and other kinds of corn can be classified as cereals.   True   False   7. The scientific biological name for the family of grasses is _______.   Gramineae   Germineae   Grevineae   Half-n-half Clue