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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. In a mature - woody dicot stem - the tissue between the xylem and phloem is the ____?
water molecules
cambium
node
vessels conduct sugars - traechids conduct water
2. Most of the flesh of pomes comes from the __?
penetrate very deeply to underground water reservoirs
region of maturation
receptacle
ovule
3. Wood cells are composed primarily of cellulose and ___?
all of the above are correct
lose
lignin
internodes
4. Which of the following is a specialized root?
horizon E
sclerenchyma
sweet potato
stem
5. Which molecule is synthesized during the light reactions of photosynthesis by receiving electrons - becoming an eectron carrier molecule?
having a special covering called the root cap
transpiration
ovary
NADPH
6. Grasses - or monocots - are examples of plants with a ____ root system?
having a special covering called the root cap
root hairs
Irish potato
fibrous
7. Which of the following cell types hs food conduction as a primary function?
phloem
receptacle
rhizomes
transpiration
8. Which biome has the best 'A' horizon?
receptacle
pericarp
fibrous
grasslands
9. The osmotic response of guard cells is governed by ____ levels in the guard cells?
transpiration rates decrease
potassium
chloroplasts
absorpion of minerals in solution
10. 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?
phelloderm
more stomata on the upper surface
ovule
concentration outside roots causes plant to lose h20
11. Stems differ from roots in ___?
guard cells
having a special covering called the root cap
stem
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
12. When a plant cell loses water and the cell membrane pulls away from the cell wall - the cell is said to be under going ____?
all of the above are correct
dioecious; staminate
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
plasmolysis
13. The skin of most fruits is technically the ___?
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.
exocarp
stem
transpiration rates can decrease
14. Wood cells are composed primarily of lignin and ____?
3 carbon pathway
1
cellulose
vascular cambria
15. The layer of chlorenchyma cells oriented to capture optimum sunlight at the top of the leaf are the ____?
upper epidermal cells
dioecious; staminate
sweet potato
cellulose
16. Pollen is produced in the ____ of a flower?
all of the above are correct
water conduction
anther
cambium
17. Vessels are different from traechids because _____?
root hairs
vessels conduct sugars - traechids conduct water
absorpion of minerals in solution
vessel elements
18. When the calyx - corolla and stamen of a flower are attached at the top of the ovary - the ovary is said to be ___?
lose
inferior
having a special covering called the root cap
casperian strips
19. Root hairs are found in the region of the root called the ____?
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.
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
region of maturation
A - topsoil - grassland
20. The osmotic response of guard cells is governed by the ___ levels in the guard cells?
rhizomes
fig
dioecious; staminate
potassium
21. When the calyx - corolla - and stamen of a flower are attached below the overy - the ovary is said to be ___?
vessels conduct sugars - traechids conduct water
guard cells
exocarp
superia
22. Not a specialized leaf?
axillary buds
cambium
parenchyma
Irish (white) potato
23. 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?
sclerenchyma
transpiration
penicilin
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.
24. The ___ horizon - also referred to as ____ - is the most imp't agriculturally and deep layers of This is found in the ____ biome?
vascular bundles
root hairs
radicle
A - topsoil - grassland
25. The 'eyes' of the Irish potato are actually ___?
ovary
taproots
auxillary
guard cells
26. The part of the root containing the vascular tissue?
1
rhizomes
inferior
stele
27. Roots differ from stems in ___?
lignin
taproots
all of the above are correct
3 carbon pathway
28. A primary function of traechids is ___?
diffuse out
stamen; anther
water conduction
anther
29. Explain photorespiration and how the enzyme rubisco plays a major role in that process during photosynthesis?
fibrous
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
cortex
mycoorhizae
30. Most of the water that enters a plant via the roots leaves the same plant by the process of ____?
transpiration
stigma
grows back every year
CHOPKNSCa
31. The final electron acceptor during the process of cellular respiration is ___?
ovary
oxygen
K
into the cell
32. The part of the flower where seeds are produced is called the ___?
vascular bundles
transpiration rates can decrease
apical meristem
ovary
33. Pressure that develops within a living cell as a result of water entering the cell is called ____?
enter
terger
pollen:stigma
tungor
34. An example of a multiple fruit would be the ___?
base of grass leaves
fig
vascular bundles
conduction and absorption
35. Why do most roots tend to die in soils that contain very high concentrations of salts (or fertilizer)?
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
transpiration rates can decrease
endodermis
strawberry
36. Which of the following is a specialized root for storage?
bulb
the presence of nodes and internodes
pericarp
conduction and absorption
37. A structure in the axil of an attached leaf that is apable of future growth to form a branch shoot is the ____?
stele
axillary bud
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
fig
38. Which of the following is not a specialized stem?
turgor pressure
sweet potato
vascular bundles
internodes
39. This tissue/region is present in monocot roots but absent in dicot roots?
pith
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
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
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
40. Explain how a guard cell opens and closes the stoma?
internodes
high turgor pressure opens Kt-->0. low turgor pressure close 0
bracts
lignin
41. This cell type is important in monocot and dicot roots by helping to regulate what gets into the ___?
strawberry
endodermis
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
axillary bud
42. Which of the following drugs is NOT obtained from leaves?
false
terger
penicilin
compound - simple
43. The fleshy edible part of the strawberry is actually the ____?
1
pericarp
bracts
callyx/corolla
44. Which cell types hav the primary function of photosynthesis?
rhizomes
vascular cambium
chollenchyma
root cap - zone of elongation - maturation - division
45. These 'showy' modified leaves are found at the base of flowers and usually draw attention to the smaller real flowers?
upper epidermal cells
sweet potato
pressure-flow hypothesis
bracts
46. Fruit forms from the ovary wall of a flower referred to a the ___?
absorpion of minerals in solution
loam
fig
pericarp
47. Specialized epidermal cells that increase the surface area for absorption of water are ____?
ovule
node
transpiration
root hairs
48. Cells produced by the vascular cambium include ___?
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
CHOPKNSCa
compound - simple
fibrous
49. Not a specialized leaf?
cassava
ovule
Irish potato
phloem
50. Which is a type of epidermal cell?
bracts
guard cell and root hair
CHOPKNSCa
compound - simple