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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 'eyes' of the Irish potato are actually ___?
guard cell and root hair
imbibition
auxillary
ovule
2. Ultmately - how is energy moved around and created in living things?
auxillary
tungor
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions
receptacle
3. At present the most widely accepted theory for movement of substances in the phloem is called the ____?
pressure-flow hypothesis
fig
Irish potato
3 carbon pathway
4. Which soil horizon is the most important agriculturally?
cotyledon
inferior
horizon E
A - topsoil - grassland
5. Which of the following drugs is NOT obtained from leaves?
penicilin
pericarp
absorpion of minerals in solution
cassava
6. 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 ____?
NADPH
annual ring
sweet potato
mitochondria - chemiosmosis
7. Specialized epidermal cells that increase the surface area for absorption of water are ____?
rhizomes
root hairs
region of maturation
coconut
8. 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.
tap - fiblous
imbition
rhizomes
terger
9. 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 ____?
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
cotyledon
mychorizea
rain
10. Which of the following is a critical part of a seed providing nutrition for the embryo?
chloroplasts
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
internode
cotyledon
11. The best soil for plant growth is ___?
loam
inferior
transpiration rates increase
high turgor pressure opens Kt-->0. low turgor pressure close 0
12. What is attached at the node?
axillary bud and leaf
node
mycoorhizae
bracts
13. Strawberries are an example of what kind of modified stem?
internode
having a special covering called the root cap
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
stolon/runner
14. Specialized roots that permit plants growing in water to facilitate
pneumatophoves
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
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
15. The ground tissue of monocots is composed of ___?
prickles
penetrate very deeply to underground water reservoirs
stigma
parenchyma
16. The Calvin cycle is sometimes referred to as the ___?
desert
ovary
3 carbon pathway
guard cells
17. The part of the flower that eventually become seeds are the ___?
ovule
ovules
A - topsoil - grassland
transpiration
18. A farmer finds that his landin the wetbottoms during an exceptionally wet year produced a very poor crop as most of the plants died. What could've been the problem?
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19. Briefly describe the development of vascular tissu by the lateral/vascular cambium of a stem and how that results in the production of wood?
internode
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
pneumatophoves
manganese
20. Most of the water that enters a plant via the roots exits the same plant by the process of ____?
sweet potato
cortex
transpiration
phloem
21. Cells produced by the vascular cambium do NOT include ___?
pressure-flow hypothesis
Irish (white) potato
phelloderm
pericarp
22. The type of root system found in a dicot is a ___?
pericarp
false
absorpion of minerals in solution
taproots
23. Which of the following drugs are NOT obtained from leaves?
imbition
coconut
digitalis
pericarp
24. Which of the following is a critical part of a seed providing nutrition for the embryo?
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
stigma
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
cotyledon
25. The part of the root containing the vascular tissue?
prickles
ovules
stele
annuals
26. In a mature - woody dicot stem - the tissue between the xylem and phloem is the ____?
cambium
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
dioecious; staminate
mychorizea
27. Which of the following would NOT be part of the stele?
turgor pressure
cortex
compound - simple
pollen:stigma
28. Why is an Irish/white potato classified as a modified stem?
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.
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
stigma
it has node marks all over it where branches could grow off of.
29. Photosystem pigments that function in gathering and passing light energy to reaction-center molecules are called ___?
antenna pigments
strawberry
cotyledon
ovary
30. Leaves and buds are attached to the stem at the ___?
node
compound - simple
annual ring
all of the above are correct
31. 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?
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.
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
cambium
annuals
32. Stems differ from roots in ____?
lose
the presence of nodes and internodes
region of maturation
antenna pigments
33. Leaves and buds are attached to the stem at the ___?
pericarp
node
inferior
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
34. Wood cells are composed primarily of cellulose and ___?
base of grass leaves
antenna pigments
lignin
pollen:stigma
35. The fleshy edible part of the strawberry is actually the ____?
plasmolysis
pericarp
turgor pressure
vascular cambria
36. When the calyx - corolla and stamen of a flower are attached at the top of the ovary - the ovary is said to be ___?
stele
cellulose
into the cell
inferior
37. A plant with flowers containing stamens but no carpels would be a ___ plant with ____ flowers?
vascular bundles
dioecious; staminate
ovary
transpiration
38. Cells produced by the vascular cambium include ___?
lignin
annuals
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
transpiration
39. The main 'job' of the root is ____?
conduction and absorption
node
having a special covering called the root cap
terger
40. A structure in the axil of an attached leaf that is apable of future growth to form a branch shoot is the ____?
enter
rhizomes
ovary
axillary bud
41. The parts of a flower that form male gametes are the ____?
dioecious; staminate
Irish potato
vessel elements
stamen; anther
42. The initial step in the germination of a seed is called ____?
1
imbibition
parenchyma
manganese
43. Most of the flesh of pomes comes from the __?
transpiration rates increase
receptacle
tungor
root hairs
44. Horizontal stems that produce roots and shoots are ___?
inferior
phloem
vascular cambria
rhizomes
45. If the concentration of solutes inside the plant cell is grater than the concentration on the outside - water will move ___?
into the cell
prickles
concentration outside roots causes plant to lose h20
cotyledon
46. An advantage to tap roots is that they ____?
potassium
cambium
false
penetrate very deeply to underground water reservoirs
47. Plants maintain a constant flow of water from the roots to the leaves through a process very critical to life on land called ____?
all of the above are correct
potassium
having a special covering called the root cap
transpiration
48. 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
bracts
Irish (white) potato
pericarp
49. If the concentration of solutes inside the plant cell is greater than the concentration on the outside - water will _____ the cell?
parenchyma
imbition
mycoorhizae
enter
50. Which of the following is a root with a specialized function for food storage?
radicle
fibrous
plasmolysis
sweet potato