exam1a - 1 BTNY 210 Exam IA February 11, 2009 Name_ Lab Day...

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1 Exam 1A, S09 BTNY 210 Name______________________________ Exam IA Lab Day and Time____________________ February 11, 2009 Multiple Choice: Choose the best answer and fill in the appropriate circle on the answer sheet. 1. “Without plants, life on this planet could not exist as it does today.” This is true because plants: a. produce food from CO 2 and water b. produce essential amino acids c. produce fiber for many human uses d. produce oxygen gas e. all of the above 2. Stems always have: a. stipules b. flowers c. petioles d. all of the above e. none of the above 3. A potato is an example of a modified plant organ that helps this plant store food for the winter. This organ is a: a. root b. stem c. leaf d. flower e. fruit 4. In the axis of every leaf is a(n): a. lateral root b. axillary bud c. RAM d. adventitious root e. none of the above True or false. Mark the T (A) for a true statement and F (B) for a false statement. 5. True or false. The youngest cells in a mature soybean plant are at the very tip of the stem. 6. True or false. Protons have a relative mass of 1. 7. True or false. Atoms are more stable if the electron shells are full.
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2 Exam 1A, S09 8. True or false. Since a water molecule is held together by covalent bonds, it is completely non- polar. That is, it has no charges associated with it. 9. True or False. Organic molecules always contain Hydrogen and Carbon. 10. True or false. Starch and cellulose are both polymers of glucose, . 11.
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This note was uploaded on 02/19/2011 for the course BTNY 210 taught by Professor Staff during the Spring '08 term at Purdue.

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exam1a - 1 BTNY 210 Exam IA February 11, 2009 Name_ Lab Day...

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