1. Which of the following materials/substances is not of plant origin?   Pearl   Sugar   Rubber   Linen   Paper   Hint Half-n-half Clue   2. The _______ of carrots and turnips are eaten by man.   stems   leaves   roots   Half-n-half Clue   3. The organic material contained in soil is known as humus.   True   False   4. Which of the following words/phrases is generally not applicable to plants?   Green   Organic Food   Transpire   Stationary   Mineral Food   Half-n-half Clue   5. Which of the following is a flowering plant?   Mucor   Ash   Fucus   Spirogyra   Toadstool   Half-n-half Clue   6. Germinating seeds respire slowly as compared with leaves.   True   False   7. Plants react more quickly to stimuli than animals.   True   False