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Test your basic knowledge |
Botany Basics
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Study First
Subject
:
science
Instructions:
Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. A leaf with leaflets is classified as a ____ leaf while a leaf with a single blade is classified as a ____ leaf?
diffuse out
transpiration
rhizomes
compound - simple
2. The 'eyes' of the Irish potato are actually ___?
auxillary
imbition
bulb
Irish potato
3. Which of the following is a root with a specialized function for food storage?
cellulose
phloem
sweet potato
anther
4. ___ roots of dicots penetrate very deeply to underground water while ____ roots of monocots remain close to the surfae and facilitate rapid absorption of surface water?
tap - fiblous
ovules
cortex
loam
5. Which of the following drugs is NOT obtained from leaves?
lose
receptacle
penicilin
water conduction
6. Cells produced by the vascular cambium do NOT include ___?
guard cells
root cap - zone of elongation - maturation - division
annuals
parenchyma
7. Lignin is found primarily in ___?
antenna pigments
chollenchyma
sclerenchyma
tap - fiblous
8. Which soil horizon is the most important agriculturally?
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
into the cell
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions
horizon E
9. Name the 4 parts of aflower and briefly explain the process of double fertilization?
the sepal - petal - stamen - pistil are the 4 main parts. in double fertilization - the pollen grain produces 2 sperm cells which travel as pollen to the stigma and down the style ofthe pistil to the ovary. One will fertilize an egg in the ovary whil
internode
potassium
fruit
10. Which of the following is a critical part of a seed providing nutrition for the embryo?
rhizomes
cotyledon
transpiration rates increase
antenna pigments
11. Why is visible light good energy to use for photsynthesis?
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12. The space on a stem between where buds are attache and elongates is referred to as the ____?
compound - simple
internode
root cap - zone of elongation - maturation - division
penicilin
13. Which of the following is a specialized root for storage?
bulb
chollenchyma
3 carbon pathway
digitalis
14. The discrete patches of xylem and phloem found in monocot stems are called ____?
vessels conduct sugars - traechids conduct water
vascular bundles
potassium
stele
15. Stoma are regulated by guard cells which swell or shrink due to movement of this specific ion in the stomata?
K
strawberry
stolon/runner
stem
16. The ___ horizon - also referred to as ____ - is the most imp't agriculturally and deep layers of This is found in the ____ biome?
A - topsoil - grassland
CHOPKNSCa
bracts
transpiration rates increase
17. Stems differ from roots in ____?
transpiration
the presence of nodes and internodes
major elements vegetation requires for growth (macronutrients)
annuals
18. When the calyx - corolla - and stamen of a flower are attached below the overy - the ovary is said to be ___?
superia
compound - simple
vessels conduct sugars - traechids conduct water
grows back every year
19. The part of the flower where seeds are produced is called the ___?
high turgor pressure opens Kt-->0. low turgor pressure close 0
endodermis
ovary
vessel elements
20. Pollen adheres to a sticky portion of the flower called the ___?
diffusion is the movement of particles from high to low concentration; osmosis is movement of water from high to low concentration
casperian strips
stigma
anther
21. The endodermis works to direct water through its cells by having the presence of a waxy layer of suberin called the ____ around its cells n only one plane?
axillary buds
pneumatophoves
casperian strips
internode
22. The oxygen liberated by green plants during photosynthesis comes from ___?
3 carbon pathway
water molecules
root hairs
rain
23. Which cell type is responsible for transporting sugars in a plant?
digitalis
phloem
aerobic
annual ring
24. The skin of most fruits is technically the ____?
exocarp
cassava
superia
stem
25. The wood of cone bearing trees - softwoods - consists of primary traechids - while the wood of flowering trees - hardwoods - consists of traechids and ____?
vessels
sweet potato
internode
CHOPKNSCa
26. Water conducting cels that are open at either end include ___?
vessel elements
transpiration rates increase
inferior
region of maturation
27. The part of the flower that eventually become seeds are the ____?
pollen:stigma
transpiration
vascular cambria
ovules
28. The main 'job' of the root is ____?
vessels
conduction and absorption
inferior
A - topsoil - grassland
29. Which molecule is synthesized during the light reactions of photosynthesis by receiving electrons - becoming an eectron carrier molecule?
Irish potato
transpiration rates increase
there could've been a high concentration of nutrients - such as salt - surounding the roots making it impossible for osmosis to occur
NADPH
30. Leaves and buds are attached to the stem at the ___?
node
ovary
eristems
internode
31. Specialized roots that permit plants growing in water to facilitate
pneumatophoves
guard cell and root hair
aerobic
sweet potato
32. Which of the following is part of the embryo of the seed?
rain
radicle
the sepal - petal - stamen - pistil are the 4 main parts. in double fertilization - the pollen grain produces 2 sperm cells which travel as pollen to the stigma and down the style ofthe pistil to the ovary. One will fertilize an egg in the ovary whil
vessels conduct sugars - traechids conduct water
33. When a plant is fully saturated with water it is said to be high in ___ pressure wheras if it is low in water the plant is said to be flacid.
terger
cotyledon
the sepal - petal - stamen - pistil are the 4 main parts. in double fertilization - the pollen grain produces 2 sperm cells which travel as pollen to the stigma and down the style ofthe pistil to the ovary. One will fertilize an egg in the ovary whil
guard cells
34. Most of the water that enters a plant via the roots exits the same plant by the process of ____?
pneumatophoves
internode
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
transpiration
35. What is attached at the node?
axillary bud and leaf
fig
stele
stigma
36. In a mature - woody dicot stem - the tissue/cell type between the xylem and the phloem is the _____?
ovary
internode
1
vascular cambria
37. Explain photorespiration and how the enzyme rubisco plays a major role in that process during photosynthesis?
more stomata on the upper surface
compound - simple
photo respiration occurs usually in times of drought. limited water forces the plant to close stomata - therefore blocking co2. with lo concentrations of co2 and high concentrations of 02 - the enzyme rubisco starts to bind 02 instead of co2. this pr
phloem
38. One year's growth of xylem in secondary wood is referred to as an _____?
annual ring
ovary
manganese
conduction and absorption
39. Cells produced by the vascular cambium do NOT include ___?
pneumatophoves
phelloderm
grows back every year
all of the above are correct
40. Pollen adheres to a sticky portion of the flower called the ____?
stigma
inferior
penicilin
deciduous
41. Not a specialized stem?
potassium
cassava
fig
false
42. Plants whose leaves fall off at the end of the growing season are ___?
deciduous
rain
the presence of nodes and internodes
vascular bundles
43. As best as you can - briefly describe the development of vascular tissue by the lateral/vascular cambium of a stem and how that results in the production of wood?
imbibition
the vascular cambium produces both secondary xylem and secondary phloem - or vascular tissue. The secondary xylem is the wood in dicot plant and lignon surrounds it for support.
internode
grasslands
44. Cells produced by the vascular cambium include ___?
pith
The cambium is a ring of undifferentiated cells. Once a cell moves to the outside of the cambium it becomes phloem. When the cells move into the inside of the cambium - the cells become xylem. Xylem cells die - harden and begin expanding with fresh x
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
pericarp
45. What 8 elements are classified as major/macro elements for plant development?
vascular bundles
desert
CHOPKNSCa
more stomata on the upper surface
46. Which of the following is a specialized leaf?
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
taproots
terger
cortex
47. Flowering plants that complete their lie cycles in a single season are called ___?
annuals
strawberry
chollenchyma
loam
48. If the concentration of solutes inside the plant cell is grater than the concentration on the outside - water will move ___?
transpiration
ovary
into the cell
photo respiration occurs usually in times of drought. limited water forces the plant to close stomata - therefore blocking co2. with lo concentrations of co2 and high concentrations of 02 - the enzyme rubisco starts to bind 02 instead of co2. this pr
49. If the concentration of solutes outside the plant cell is greater than the concentration on the inside - water will _____?
diffuse out
visible light is good because it's not as intense so that it will burn the plant - but it is still intense enough to produce plenty of energy
receptacle
upper epidermal cells
50. When humidity is low - ___?
penetrate very deeply to underground water reservoirs
transpiration
transpiration rates can decrease
pneumatophoves
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