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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. Specialized cells in the vascular tssue of a root responsible for initiating lateral root growth are _____ cells?
having a special covering called the root cap
auxillary
apical meristem
vessels conduct sugars - traechids conduct water
2. The best soil for plant growth is ___?
stele
manganese
loam
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
3. Briefly describe the development of vascular tissu by the lateral/vascular cambium of a stem and how that results in the production of wood?
pericarp
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
3 carbon pathway
bracts
4. Specialized epidermal cells that increase the surface area for absorption of water are ____?
there could've been a high concentration of nutrients - such as salt - surounding the roots making it impossible for osmosis to occur
root hairs
diffusion is the movement of particles from high to low concentration; osmosis is movement of water from high to low concentration
parenchyma
5. Plants whose leaves fall off at the end of the growing season are ___?
deciduous
NADPH
internode
guard cells
6. Cells produced by the vascular cambium include ___?
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
prickles
annuals
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
7. Why is an Irish/white potato classified as a modified stem?
stele
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
pollen:stigma
it has node marks all over it where branches could grow off of.
8. Which pair goes along with pollination?
phloem
penetrate very deeply to underground water reservoirs
pollen:stigma
imbition
9. Specialized roots that permit plants growing in water to facilitate
exocarp
phloem
desert
pneumatophoves
10. Grasses - or monocots - are examples of plants with a ____ root system?
fibrous
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.
horizon E
penetrate very deeply to underground water reservoirs
11. In nature depletion of mineral nutrients in the soil - interference with plant growth by excluding air - and the acceleration of the breakdown of nitrates in the soil is caused by too much ____?
cortex
inferior
rain
fig
12. An example of an aggregate fruit would be the ___?
exocarp
potassium
strawberry
chloroplasts
13. Which of the following is a specialized leaf?
Irish potato
ovule
stigma
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
14. What obvious characteristic does a deciduous plant exhibit?
imbibition
modified stems
grows back every year
node
15. Which molecule is synthesized during the light reactions of photosynthesis by receiving electrons - becoming an eectron carrier molecule?
lose
axillary buds
NADPH
pressure-flow hypothesis
16. The major regions of a root tip are ____ - ___ - _____ and _____?
internodes
vessels conduct sugars - traechids conduct water
root cap - zone of elongation - maturation - division
diffusion is the movement of particles from high to low concentration; osmosis is movement of water from high to low concentration
17. Fruit forms from the ovary wall of a flower referred to a the ___?
receptacle
pericarp
inferior
fibrous
18. When the calyx - Corolla - and stamens of a flower are attached at the top of the ovary - the ovary is said to be ____?
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
inferior
tungor
modified stems
19. Vessels are different from traechids because _____?
rhizomes
1
vessels conduct sugars - traechids conduct water
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
20. Roots differ from stems in ___?
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
node
vessels
all of the above are correct
21. A plant placed in a beaker of salt water will ____?
lose
inferior
receptacle
red light
22. The part of the flower in which seeds are produced is the ___?
stigma
ovary
plasmolysis
tungor
23. Fungi which associate with roots to increase water absorption and mineral uptake are called ____?
ovary
pollen:stigma
vascular bundles
mycoorhizae
24. Flowers are usually attached to a special structure at the end of a stem or peduncle called a ___?
vascular cambria
transpiration rates decrease
receptacle
horizon E
25. Specialized epidermal cells that increase the surface area for absorption of water are ____?
inferior
pericarp
root hairs
internodes
26. Which cell types hav the primary function of photosynthesis?
pressure-flow hypothesis
phloem
mychorizea
chollenchyma
27. The fungi symbiotically associated with roots are called ___?
mychorizea
strawberry
fig
chollenchyma
28. Most of the water that enters a plant via the roots leaves the same plant by the process of ____?
cortex
bracts
transpiration
root cap - zone of elongation - maturation - division
29. Most cacti are __________ where the stem is responsible for the photosynthetic processes in the plant?
cambium
deciduous
modified stems
high turgor pressure opens Kt-->0. low turgor pressure close 0
30. The discrete patches of xylem and phloem found in herbaceous dicot stems are called ___?
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
plasmolysis
parenchyma
vascular bundles
31. The fleshy edible part of the strawberry is actually the ____?
inferior
compound - simple
ovule
pericarp
32. Pollen is produced in the ____ of a flower?
anther
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
vascular cambria
tap - fiblous
33. 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?
rain
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
concentration outside roots causes plant to lose h20
penicilin
34. Which of the following is a micronutrient in terms of a plant's mineral requirements for growth?
manganese
pith
auxillary
cellulose
35. A primary function of traechids is ___?
pith
region of maturation
leave the cell
water conduction
36. Why is visible light good energy to use for photsynthesis?
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37. What does the term 'C'HOPK'NS CaFe Mighty good' represent?
the presence of nodes and internodes
major elements vegetation requires for growth (macronutrients)
node
more stomata on the upper surface
38. An advantage to tap roots is that they ____?
plasmolysis
penetrate very deeply to underground water reservoirs
endodermis
ovary
39. Explain why a cucumber or tomato really should be referred to as a fruit?
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
internodes
region of maturation
exocarp
40. Not a specialized stem?
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
cassava
deciduous
leave the cell
41. This tissue/region is present in monocot roots but absent in dicot roots?
pith
axillary bud and leaf
vessels conduct sugars - traechids conduct water
chloroplasts
42. Cells produced by the vascular cambium do NOT include ___?
penicilin
parenchyma
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
ovule
43. An example of a multiple fruit would be the ___?
internodes
fig
potassium
exocarp
44. The osmotic response of guard cells is governed by ____ levels in the guard cells?
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
eristems
fruit
potassium
45. Horizontal stems that grow just below the surface of the soil are called ____?
root hairs
pith
rhizomes
Irish potato
46. In which region would an ntercalary meristem be found?
base of grass leaves
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
cortex
47. One year's growth of xylem in secondary wood is referred to as an _____?
ovule
base of grass leaves
annual ring
grasslands
48. ___ 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
it has node marks all over it where branches could grow off of.
lose
ovule
49. Which biome has the best 'A' horizon?
K
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
receptacle
grasslands
50. The discrete paches of xylem and phloem found in herbaceous dicot stems are called ____?
vessel elements
guard cells
tap - fiblous
vascular bundles
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