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Test your basic knowledge |
Botany Basics
Start Test
Study First
Subject
:
science
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
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. The major regions of a root tip are ____ - ___ - _____ and _____?
aerobic
vascular bundles
water molecules
root cap - zone of elongation - maturation - division
2. The fungi symbiotically associated with roots are called ___?
lignin
pericarp
mychorizea
ovule
3. You have a crop that is not doing well and you add a lot of fertilizer to help it out but this causes the crop to do worse. ExplaIn what has happened?
1
concentration outside roots causes plant to lose h20
bulb
internode
4. An example of an aggregate fruit would be the ___?
diffuse out
cotyledon
sweet potato
strawberry
5. One year's growth of xylem in secondary wood is referred to as an _____?
pith
all of the above are correct
annual ring
parenchyma
6. In a mature - woody dicot stem - the tissue between the xylem and the phloem is the ___?
A - topsoil - grassland
more stomata on the upper surface
inferior
vascular cambium
7. Vessels are different from traechids because _____?
lose
leave the cell
vessels conduct sugars - traechids conduct water
penicilin
8. White the basic chemical equation for photosynthesis indicating which parts are for the light dependent stage and which are part of the light independent stage?
eristems
compound - simple
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
all of the above are correct
9. Which of the following cell types hs food conduction as a primary function?
3 carbon pathway
phloem
stigma
cortex
10. If the concentration of solutes outside the plant cell is greater than the concentration on the inside - water will _____?
pericarp
diffuse out
pneumatophoves
cellulose
11. Specialized cells in the vascular tssue of a root responsible for initiating lateral root growth are _____ cells?
concentration outside roots causes plant to lose h20
apical meristem
exocarp
enter
12. The part of the flower that eventually become seeds are the ___?
terger
callyx/corolla
ovule
A - topsoil - grassland
13. Which of the following drugs is NOT obtained from leaves?
diffuse out
terger
mychorizea
penicilin
14. When humidity is low - ___?
If there is a higher concentration of salts outside of the root - then water will not move inside the roots against the concentration gradient. the roots will dehydrate and eventually die
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
transpiration rates can decrease
fibrous
15. Why is visible light good energy to use for photsynthesis?
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16. Which biome has the best 'A' horizon?
internode
grasslands
parenchyma
high turgor pressure opens Kt-->0. low turgor pressure close 0
17. In a mature - woody dicot stem - the tissue between the xylem and phloem is the ____?
enter
cambium
leave the cell
oxygen
18. Plants whose leaves fall off at the end of the growing season are ___?
callyx/corolla
deciduous
transpiration
diffusion is the movement of particles from high to low concentration; osmosis is movement of water from high to low concentration
19. The discrete paches of xylem and phloem found in herbaceous dicot stems are called ____?
it has node marks all over it where branches could grow off of.
vascular bundles
water molecules
fibrous
20. Ultmately - how is energy moved around and created in living things?
all of the above are correct
exocarp
deciduous
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions
21. In addition to anchoring a plant - roots usually function directly in which of the following processes?
absorpion of minerals in solution
internodes
diffusion is the movement of particles from high to low concentration; osmosis is movement of water from high to low concentration
sweet potato
22. If the concentration of solutes inside the plant cell is greater than the concentration on the outside - water will _____ the cell?
ovule
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions
vascular bundles
enter
23. Cells produced by the vascular cambium do NOT include ___?
parenchyma
stamen; anther
apical meristem
there could've been a high concentration of nutrients - such as salt - surounding the roots making it impossible for osmosis to occur
24. Explain how a guard cell opens and closes the stoma?
to open - potassium will enter the guard cell. then the guard cell will swell and attract water to the stomata - or area of high concentration. Once the plant has enough water - potassium will diffuse out - the guard cells will shrink - and finally c
mitochondria - chemiosmosis
fruit
Irish (white) potato
25. What 8 elements are classified as major/macro elements for plant development?
lose
vessels conduct sugars - traechids conduct water
horizon E
CHOPKNSCa
26. A conspicuous organelle at the light microscope level in cells of the palisade mesophyll would be ___?
diffuse out
exocarp
chloroplasts
mitochondria - chemiosmosis
27. Which of the following woud NOT be a part of the vasulcar stele?
receptacle
inferior
cortex
all of the above are correct
28. The 'eyes' of the Irish potato are actually ____?
tungor
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
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
axillary buds
29. When humidity is low - ____ ?
phloem
prickles
stem
transpiration rates increase
30. The dermal tissues of leaves have wha specialized cells to regulate gas exchange?
guard cells
false
casperian strips
manganese
31. The part of the flower that eventually become seeds are the ____?
ovules
fruit
false
prickles
32. Pressure that develops within a living cell as a result of water entering the cell is called ____?
annual ring
tungor
radicle
stigma
33. Leaves and buds are attached to the stem at the ___?
anther
taproots
node
Irish potato
34. This structure in the ovary of a flower is responsible for producing a seed?
penicilin
ovule
transpiration
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
35. The skin of most fruits is technically the ____?
transpiration rates decrease
Irish potato
exocarp
grows back every year
36. This tissue/region is present in monocot roots but absent in dicot roots?
axillary bud
plasmolysis
pith
CHOPKNSCa
37. The space on a stem between where buds are attache and elongates is referred to as the ____?
internode
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions
apical meristem
pith
38. At present the most widely accepted theory for movement of substances in the phloem is called the ____?
pressure-flow hypothesis
callyx/corolla
node
transpiration rates decrease
39. Roots differ from stems in ___?
vascular bundles
pith
ovary
all of the above are correct
40. Which of the following is a critical part of a seed providing nutrition for the embryo?
aerobic
cotyledon
parenchyma
the root hairs on the root tips absorb water into the soil through osmosis. this water travels up the roots - up the stems - and to the leaves throughout the plant by capillary action. once absored in leaves - the water leaves the plant through trans
41. Specialized roots that permit plants growing in water to facilitate
water conduction
sweet potato
pneumatophoves
pith
42. The part of the flower where seeds are produced is called the ___?
strawberry
mychorizea
pollen:stigma
ovary
43. The layer of chlorenchyma cells oriented to capture optimum sunlight at the top of the leaf are the ____?
water molecules
cotyledon
upper epidermal cells
receptacle
44. A plant with flowers containing stamens but no carpels would be a ___ plant with ____ flowers?
dioecious; staminate
turgor pressure
grows back every year
mychorizea
45. 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?
imbition
region of maturation
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.
cortex
46. Not a specialized stem?
parenchyma
cellulose
cassava
glycolysis
47. Which of the following is a specialized root for storage?
transpiration
bulb
lignin
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
48. Leaves and buds are attached to the stem at the ___?
plasmolysis
water conduction
root cap - zone of elongation - maturation - division
node
49. Because of greater light intensity and heat absorption on the upper surface of the leaf - the lower surface has ____?
inferior
stem
grows back every year
more stomata on the upper surface
50. An advantage to tap roots is that they ____?
glycolysis
penetrate very deeply to underground water reservoirs
ovary
rhizomes
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