Post on 29-Dec-2015
transcript
Round 1
Plant Cells and
Tissues
Plant Growth
Roots Stems Leaves
10 10 10 10 10
20 20 20 20 20
30 30 30 30 30
40 40 40 40 40
50 50 50 50 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
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Plant Cells and Tissues – 20 points
• This layer is made of tightly packed parenchyma cells; found only in dicots
• Palisade mesophyll
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Plant Cells and Tissues – 30 points
• What is the function of collenchyma cells?
• Provides flexible support
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Plant Cells and Tissues – 40 points
• This tissue is found in roots, stems and leaves; it is mostly “filler” tissue
• Ground tissue
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Plant Cells and Tissues – 50 points
• What is the function of vascular tissue?
• Transport water/minerals and sugars
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Plant Growth– 10 points
• Plants grow vertically from __?__. This type of growth is called _?__
• Apical meristems; primary
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Plant Growth – 20 points
• A name for the areas of unspecialized cells in which mitosis occurs
• Meristems
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Plant Growth – 30 points
• What allows vascular plants to grow taller than non-vascular plants?
• Cell walls of vascular tissue are hardened by lignin
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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
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Plant Growth - 50 points
• Hormones that stimulate cell elongation are called _?_; these hormones are responsible for __?__ (responses to environmental stimuli)
• Auxins; tropisms
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Roots – 10 points
• This structure is made of protective cells and is found at the very tip of a root
• Root cap
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Roots – 20 points
• Root surface area is increases when there are many __?__ present
• Root hairs
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Roots – 40 points
• What is the layer of red in this monocot root called?
• Endodermis
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??
Roots– 50 points
• What is the structure on this dicot root indicated by the ??
• Xylem
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??
Stems– 10 points
• One of the main function of stems is __?__
• Carry water and nutrients; support; storage (any one)
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Stems– 20 points
• Monocot or dicot? What structure is ???
• Dicot; Vascular bundle
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???
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
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???
Stems – 40 points
• Monocot or Dicot? How do you know?
• Monocot; vascular bundles are scattered throughout stem
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Stems – 50 points
• Some stems will wrap around an object to climb it. Ex: Ivy. What is the name of this plant response?
• Thigmotropism
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Leaves – 10 points
• Which number is referring to the cuticle? Spongy mesophyll? Guard cell?
• 1, 4, 7
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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
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Leaves – 30 points
• In which layer of a leaf would you be most likely to find the highest number of chloroplasts?
• Palisade Mesophyll
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Leaves – 40 points
• From which structure is water lost during transpiration?
• Stoma (Stomata)
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Round 2Cohesion-Tension Theory
Pressure Flow Model
Plant Hormones & Responses
Flowers and Seeds
Miscellaneous
20 20 20 20 20
40 40 40 40 40
60 60 60 60 60
80 80 80 80 80
100 100 100 100 100
Final Jeopardy
Cohesion Tension Theory – 20 points
• _?_ lowers the pressure in the leaf xylem, creating a vacuum that pulls water upward in a plant
• Transpiration
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Cohesion Tension Theory – 40 points
• Cohesion is the result of __?__ between water molecules
• Hydrogen Bonds
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Cohesion Tension Theory– 60 points
• __?__ is important because it can conduct water and nutrients over long distances
• Xylem
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Cohesion Tension Theory– 80 points
• Name 2 properties of water that, along with transpiration, allow water to flow upward against gravity
• Adhesion, cohesion
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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
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Pressure-Flow Model – 20 points
• The pressure-flow model explains the movement of _?_ through a plant
• Sugar
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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
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Pressure-Flow Model – 60 points
• _?_ between companion cells and sieve tube elements allow them to communicate with each other
• plasmodesmata
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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
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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
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Plant Responses/Hormones – 20
points• The hormone that produces
increases in size (especially in length of stems)
• Gibberellins
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Plant Responses/Hormones– 40
points• Fruit ripening is stimulated by the
hormone _?_• ethylene
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Plant Responses/Hormones– 60
points• The plant response to touch is
called _?_• thigmotropisms
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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
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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)
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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)
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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
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Flowers and Seeds – 60 points
• Pollen grains are produced in the _?_; pollen grains produce _?_ and _?_
• Anther; sperm and pollen tube
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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)
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Flowers and Seeds– 100 points
• Flowers pollinated by animals are generally large and _?_; while flowers pollinated by the wind are usually _?_
• Brightly colored; small
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Miscellaneous – 20 points
• The stalk that attaches a leaf to a branch is called a(n) __?__
• petiole
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Miscellaneous – 40 points
• Name 3 leaf adaptations that help a plant to reduce water loss:
• Thick cuticle, needles, spines
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Miscellaneous – 60 points
• Name the 3 plant organs and give the function of each
• Root (water absorption), Stem (Support), Leaf (collect sunlight for photosynthesis)
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Miscellaneous – 80 points
• The response of a plant to changing amounts of day and night is called _?_
• photoperiodism
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