Chapters 21 and 22

Plant Cells and Tissues Round 1 Plant Cells and Tissues Plant Growth Roots Stems Leaves 10 20 30 40 50 Round 2

Plant Cells and Tissues – 10 points The most common plant cell; their function is mainly to store water, sugars and oils Parenchyma Next Question

Plant Cells and Tissues – 20 points This layer is made of tightly packed parenchyma cells; found only in dicots Palisade mesophyll Next Question

Plant Cells and Tissues – 30 points What is the function of collenchyma cells? Provides flexible support Next Question

Plant Cells and Tissues – 40 points This tissue is found in roots, stems and leaves; it is mostly “filler” tissue Ground tissue Next Question

Plant Cells and Tissues – 50 points What is the function of vascular tissue? Transport water/minerals and sugars Next Question

Plant Growth– 10 points Plants grow vertically from __?__. This type of growth is called _?__ Apical meristems; primary Next Question

Plant Growth – 20 points A name for the areas of unspecialized cells in which mitosis occurs Meristems Next Question

Plant Growth – 30 points What allows vascular plants to grow taller than non-vascular plants? Cell walls of vascular tissue are hardened by lignin Next Question

Plant Growth – 40 points _?_ describes the growth of a shoot (or stem) toward the light. The hormone involved in this response is called _?_ Positive phototropism; auxin Next Question

Plant Growth - 50 points Hormones that stimulate cell elongation are called _?_; these hormones are responsible for __?__ (responses to environmental stimuli) Auxins; tropisms Next Question

Roots – 10 points This structure is made of protective cells and is found at the very tip of a root Root cap Next Question

Roots – 20 points Root surface area is increases when there are many __?__ present Root hairs Next Question

Roots – 30 points Is this a monocot or a dicot? dicot Next Question

Roots – 40 points What is the layer of red in this monocot root called? Endodermis ?? Next Question

Roots– 50 points What is the structure on this dicot root indicated by the ?? Xylem ?? Next Question

Stems– 10 points One of the main function of stems is __?__ Carry water and nutrients; support; storage (any one) Next Question

Stems– 20 points Monocot or dicot? What structure is ??? Dicot; Vascular bundle ??? Next Question

Stems – 30 points The outer protective layer of a plant is called ???; it is covered by the __?__ which protects it from drying out Epidermis; cuticle ??? Next Question

Stems – 40 points Monocot or Dicot? How do you know? Monocot; vascular bundles are scattered throughout stem Next Question

Stems – 50 points Some stems will wrap around an object to climb it. Ex: Ivy. What is the name of this plant response? Thigmotropism Next Question

Leaves – 10 points Which number is referring to the cuticle? Spongy mesophyll? Guard cell? 1, 4, 7 Next Question

Leaves– 20 points Is this leaf a monocot or a dicot? How do you know? Dicot; its parenchymal cells are differentiated into palisade and spongy mesophyll Next Question

Leaves – 30 points In which layer of a leaf would you be most likely to find the highest number of chloroplasts? Palisade Mesophyll Next Question

Leaves – 40 points From which structure is water lost during transpiration? Stoma (Stomata) Next Question

Leaves – 50 points What is a leaf vein? The vascular cylinder (xylem and phloem) Next Question

Round 2 20 40 60 80 100 Final Jeopardy Cohesion-Tension Theory Pressure Flow Model Plant Hormones & Responses Flowers and Seeds Miscellaneous 20 40 60 80 100 Extinguisher 20-100 are coming from question 87+

Cohesion Tension Theory – 20 points _?_ lowers the pressure in the leaf xylem, creating a vacuum that pulls water upward in a plant Transpiration Next Question

Cohesion Tension Theory – 40 points Cohesion is the result of __?__ between water molecules Hydrogen Bonds Next Question

Cohesion Tension Theory– 60 points __?__ is important because it can conduct water and nutrients over long distances Xylem Next Question

Cohesion Tension Theory– 80 points Name 2 properties of water that, along with transpiration, allow water to flow upward against gravity Adhesion, cohesion Next Question

Cohesion Tension Theory– 100 points Name the two types of xylem cells AND give an unusual trait which they both have Tracheids and vessel elements; they are dead at maturity Next Question

Pressure-Flow Model – 20 points The pressure-flow model explains the movement of _?_ through a plant Sugar Next Question

Pressure-Flow Model – 40 points When a plant moves sugars from the leaves to it’s roots, the leaves are the __?__ while the roots are the __?__ Source, sink Next Question

Pressure-Flow Model – 60 points _?_ between companion cells and sieve tube elements allow them to communicate with each other plasmodesmata Next Question

Pressure-Flow Model – 80 points Why is water involved in the movement of sugars? What must flow out of xylem into phloem to increase the pressure there; that is what makes sugar flow Next Question

Pressure-Flow Model– 100 points True/False Questions: Sugars can move up, down, laterally in plants _?_; When water flows out of xylem into phloem, pressure decreases _?_ T; F Next Question

Plant Responses/Hormones – 20 points The hormone that produces increases in size (especially in length of stems) Gibberellins Next Question

Plant Responses/Hormones– 40 points Fruit ripening is stimulated by the hormone _?_ ethylene Next Question

Plant Responses/Hormones– 60 points The plant response to touch is called _?_ thigmotropisms Next Question

Miscellaneous– 80 points What happens during double fertilization? 1 sperm joins with an egg making the embryo; 1 sperm joins with 2 polar nuclei making the 3n endosperm Next Question

Miscellaneous – 100 points Name the 2 types of lateral meristems and tell what they produce Vascular cambium – secondary xylem and phloem and cork cambium – cork (bark) Next Question

Flowers and Seeds – 20 points Describe a seed that you would expect animals would disperse Burrs (caught in fur) or fruits (eaten and then dispersed) Next Question

Flowers and Seeds – 40 points The period during which an embryo is not growing is called _?_. What process occurs when this phase ends? What is the plant called when it can finally photosynthesis? Dormancy; germination; seedling Next Question

Flowers and Seeds – 60 points Pollen grains are produced in the _?_; pollen grains produce _?_ and _?_ Anther; sperm and pollen tube Next Question

Flowers and Seeds – 80 points The female parts of the flower are: _?_; the male parts of the flower are _?_ Stigma, style and ovary (Carpel); Anther and filament (stamen) Next Question

Flowers and Seeds– 100 points Flowers pollinated by animals are generally large and _?_; while flowers pollinated by the wind are usually _?_ Brightly colored; small Next Question

Miscellaneous – 20 points The stalk that attaches a leaf to a branch is called a(n) __?__ petiole Next Question

Miscellaneous – 40 points Name 3 leaf adaptations that help a plant to reduce water loss: Thick cuticle, needles, spines Next Question

Miscellaneous – 60 points Name the 3 plant organs and give the function of each Root (water absorption), Stem (Support), Leaf (collect sunlight for photosynthesis) Next Question

Miscellaneous – 80 points The response of a plant to changing amounts of day and night is called _?_ photoperiodism Next Question

Miscellaneous – 100 points What kind of slide is this? Be specific! Woody dicot Next Question

Write down the amount you wish to wager on this question Final Jeopardy Write down the amount you wish to wager on this question

Final Jeopardy How are tree rings formed? Vascular cambium produces new xylem and phloem each growing season. 1 ring = spring wood (light colored with big cells) and summer wood (darker colored with smaller cells)