Plant Defense - Page 2

Questions
  • Are all cell membranes selectively permeable?
  • When light strikes a green leaf, what colors are absorbed?
  • What does the word "mesophyll" mean?
  • What is a "crown root" in plants?
  • How do guard cells of a leaf help to maintain homeostasis in a plant?
  • What is the name of the waxy layer found on the upper and lower surface of a leaf?
  • Do plants emanate low frequency sound waves inaudible to the human ear?
  • Why don't plant cells burst if a lot of water diffuses into them?
  • What are the loosely packed photosynthetic cells in the leaf called?
  • What is the function of the waxy, transparent top layer of leaves?
  • Plants reflect the colors of light that they do not absorb. This reflected light determines their color. Why are there few blue-colored plants?
  • What is the purpose of root hairs on plants?
  • The epidermal cells and cuticle of a plant leaf have a function that is similar to what human organ systems?
  • If farmers plant hedges around their fields, explain what effect this might have on species biodiversity?
  • Why can the Co2 concentration more than 0.05 percent become damaging for plant photosynthesis?
  • What is the antiseptic property of tears?
  • Are chloroplasts found in most plant cells? Explain