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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 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?
casperian strips
transpiration
pollen:stigma
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.
2. When the calyx - corolla and stamen of a flower are attached at the top of the ovary - the ovary is said to be ___?
grasslands
inferior
pericarp
manganese
3. An advantage to tap roots is that they ____?
the presence of nodes and internodes
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
red light
penetrate very deeply to underground water reservoirs
4. Which of the following woud NOT be a part of the vasulcar stele?
cassava
cortex
K
axillary bud
5. Not a specialized leaf?
Irish (white) potato
deciduous
pericarp
bracts
6. Horizontal stems that produce roots and shoots are ___?
desert
dioecious; staminate
rhizomes
loam
7. Not a specialized stem?
cassava
water conduction
potassium
stigma
8. The Calvin cycle is sometimes referred to as the ___?
water conduction
plasmolysis
3 carbon pathway
fruit
9. 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?
internodes
axillary bud and leaf
vascular bundles
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.
10. In a mature - woody dicot stem - the tissue/cell type between the xylem and the phloem is the _____?
annual ring
vascular cambria
casperian strips
potassium
11. Not a specialized leaf?
guard cell and root hair
transpiration rates can decrease
radicle
Irish potato
12. During the light dependent reactions of photosynthesis - ____?
ovules
root hairs
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
endodermis
13. The discrete patches of xylem and phloem found in monocot stems are called ____?
vascular bundles
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
stele
tungor
14. In which of the following are guard cells (that form stomata) not actively involved?
root cap - zone of elongation - maturation - division
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
internode
imbition
15. Why is an Irish/white potato classified as a modified stem?
stamen; anther
into the cell
it has node marks all over it where branches could grow off of.
mychorizea
16. The space between the nodes of a stem is called the _____?
endodermis
prickles
stigma
internode
17. The fungi symbiotically associated with roots are called ___?
vessels
sweet potato
1
mychorizea
18. Explain how a guard cell opens and closes the stoma?
tap - fiblous
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
region of maturation
endodermis
19. What is attached at the node?
cortex
axillary bud and leaf
superia
sweet potato
20. An example of an aggregate fruit would be the ___?
strawberry
pressure-flow hypothesis
casperian strips
cambium
21. Leaves and buds are attached to the stem at the ___?
node
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
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
exocarp
22. Leaves and buds are attached to the stem at the ___?
it has node marks all over it where branches could grow off of.
ovule
node
internode
23. Ultmately - how is energy moved around and created in living things?
vessels
prickles
pericarp
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions
24. The part of the flower in which seeds are produced is the ___?
ovary
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
radicle
sweet potato
25. The skin of most fruits is technically the ____?
sweet potato
lose
exocarp
phloem
26. This tissue (region) is present in monocot roots but absent in dicot roots?
false
mitochondria - chemiosmosis
water conduction
pith
27. Which cell types hav the primary function of photosynthesis?
chollenchyma
mycoorhizae
rain
radicle
28. The type of root system found in a dicot is a ___?
taproots
transpiration
casperian strips
deciduous
29. The main 'job' of the root is ____?
axillary bud
conduction and absorption
transpiration rates decrease
guard cell and root hair
30. These 'showy' modified leaves are found at the base of flowers and usually draw attention to the smaller real flowers?
diffusion is the movement of particles from high to low concentration; osmosis is movement of water from high to low concentration
mitochondria - chemiosmosis
penicilin
bracts
31. Briefly describe the development of vascular tissu by the lateral/vascular cambium of a stem and how that results in the production of wood?
vascular bundles
3 carbon pathway
axillary buds
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
32. Strawberries are an example of what kind of modified stem?
stolon/runner
parenchyma
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
strawberry
33. Stems differ from roots in ____?
endodermis
axillary bud and leaf
CHOPKNSCa
the presence of nodes and internodes
34. Cells produced by the vascular cambium include ___?
vascular bundles
stolon/runner
parenchyma
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
35. In addition to anchoring a plant - roots usually function directly in which of the following processes?
absorpion of minerals in solution
cellulose
rain
radicle
36. 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 ____?
rain
internode
inferior
endodermis
37. Explain photorespiration and how the enzyme rubisco plays a major role in that process during photosynthesis?
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
terger
receptacle
38. Wood cells are composed primarily of cellulose and ___?
rhizomes
leave the cell
bracts
lignin
39. If the concentration of solutes/salts outside the plant cell is greater than the concentration on the inside - water will ____?
vascular cambria
stamen; anther
leave the cell
strawberry
40. Cells produced by the vascular cambium do NOT include ___?
1
grasslands
phelloderm
exocarp
41. A conspicuous organelle at the light microscope level in cells of the palisade mesophyll would be ___?
exocarp
chollenchyma
chloroplasts
penetrate very deeply to underground water reservoirs
42. Which of the following drugs is NOT obtained from leaves?
pollen:stigma
penicilin
NADPH
transpiration
43. Explain the process by which plants get water from the soil into the leaves?
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
leave the cell
fig
water conduction
44. Pollen adheres to a sticky portion of the flower called the ____?
digitalis
radicle
vascular cambium
stigma
45. Which of the following would NOT be part of the stele?
cortex
vessels conduct sugars - traechids conduct water
NADPH
apical meristem
46. Because of greater light intensity and heat absorption on the upper surface of the leaf - the lower surface has ____?
more stomata on the upper surface
pollen:stigma
NADPH
base of grass leaves
47. The part of the root containing the vascular tissue?
false
rhizomes
stele
sweet potato
48. Most of the ATP produced in respiration is a result of the movement of H ions across an ATP synthase in the inner membrane of the ____ and is referred to as ____?
mitochondria - chemiosmosis
vascular bundles
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.
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
49. A structure in the axil of an attached leaf that is apable of future growth to form a branch shoot is the ____?
axillary bud
vessels
all of the above are correct
loam
50. The ground tissue of monocots is composed of ___?
chloroplasts
guard cell and root hair
sweet potato
parenchyma