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Chapters 21 and 22.

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Presentation on theme: "Chapters 21 and 22."— Presentation transcript:

1 Chapters 21 and 22

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

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

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

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

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

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

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

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

10 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

11 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

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

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

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

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

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

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

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

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

20 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

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

22 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

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

24 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

25 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

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

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

28 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 are coming from question 87+

29 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

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

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

32 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

33 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

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

35 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

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

37 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

38 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

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

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

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

42 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

43 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

44 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

45 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

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

47 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

48 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

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

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

51 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

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

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

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

55 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)

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