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1. Which of the following is NOT a plant organ?
A. Xylem
B. Leaf
C. Flower
D. Stem
• Correct Answer: A. Xylem
2. What is the basic structural and functional unit of a plant?
A. Cell
B. Epidermis
C. Roots
D. Leaves
• Correct Answer: A. Cell
3. Which of the following plants has herbaceous (non-woody) stems?
A. Red oak
B. Azalea
C. Japanese maple
D. Daffodil
, • Correct Answer: D. Daffodil
4. Which plant has a fibrous root system?
A. Carrots
B. Lawn grasses
C. Pine tree
D. Oak tree
• Correct Answer: B. Lawn grasses
5. Flowers can form fruits, while roots, stems, and leaves can form vegetables.
A. True
B. False
• Correct Answer: A. True
6. Transpiration is the loss of water vapor through the:
A. Roots
B. Stem
C. Stomata
D. Xylem
• Correct Answer: C. Stomata
7. Which term describes the process by which plants make their own food?
A. Respiration
B. Transpiration
C. Photosynthesis
D. Digestion
• Correct Answer: C. Photosynthesis
, 8. In which cells does cellular respiration occur?
A. Parenchyma cells
B. Epidermal cells
C. Meristematic cells
D. All of the above
• Correct Answer: D. All of the above
9. Which tissue transports water and minerals from the soil upward?
A. Phloem
B. Cambium
C. Xylem
D. Epidermis
• Correct Answer: C. Xylem
10. Which of the following plants does NOT respond to shorter day length?
A. Chrysanthemums
B. Poinsettias
C. Short-day plants
D. Dandelions and Knock Out roses
• Correct Answer: D. Dandelions and Knock Out roses
11. Plants make their own food.
A. True
B. False
• Correct Answer: A. True