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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?
apical meristem
all of the above are correct
desert
lignin
2. Which of the following cell types hs food conduction as a primary function?
inferior
phloem
transpiration
fig
3. When a plant cell loses water and the cell membrane pulls away from the cell wall - the cell is said to be under going ____?
rhizomes
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
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.
plasmolysis
4. An example of a multiple fruit would be the ___?
ovule
fibrous
fig
compound - simple
5. Which of the following is not a specialized stem?
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
sweet potato
dioecious; staminate
pith
6. Which biome has the best 'A' horizon?
grasslands
base of grass leaves
stigma
stigma
7. The fungi symbiotically associated with roots are called ___?
leave the cell
all of the above are correct
mychorizea
ovary
8. Which of the following woud NOT be a part of the vasulcar stele?
high turgor pressure opens Kt-->0. low turgor pressure close 0
cortex
false
stem
9. A plant with flowers containing stamens but no carpels would be a ___ plant with ____ flowers?
dioecious; staminate
turgor pressure
sweet potato
compound - simple
10. The final electron acceptor during the process of cellular respiration is ___?
apical meristem
endodermis
oxygen
vascular cambria
11. The ground tissue of monocots is composed of ___?
leave the cell
parenchyma
deciduous
plasmolysis
12. Flowers are usually attached to a special structure at the end of a stem or peduncle called a ___?
pressure-flow hypothesis
receptacle
all of the above are correct
vascular bundles
13. Mitochondria are organelles responsible for ___?
digitalis
horizon E
root hairs
aerobic
14. The part of the flower in which seeds are produced is the ___?
coconut
compound - simple
ovary
rain
15. This tissue/region is present in monocot roots but absent in dicot roots?
exocarp
phloem
pith
internode
16. In which of the following are guard cells (that form stomata) not actively involved?
high turgor pressure opens Kt-->0. low turgor pressure close 0
imbition
penicilin
digitalis
17. Which is a type of epidermal cell?
enter
guard cell and root hair
taproots
potassium
18. 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?
exocarp
water conduction
dioecious; staminate
casperian strips
19. Most of the flesh of pomes comes from the ____?
diffusion is the movement of particles from high to low concentration; osmosis is movement of water from high to low concentration
vessels
cortex
callyx/corolla
20. A primary function of traechids is ___?
loam
antenna pigments
casperian strips
water conduction
21. Roots differ from stems in ___?
all of the above are correct
annuals
enter
rhizomes
22. Which soil horizon is the most important agriculturally?
horizon E
ovary
penicilin
enter
23. Which of the following drugs is NOT obtained from leaves?
fruit
cellulose
penicilin
Irish potato
24. The major regions of a root tip are ____ - ___ - _____ and _____?
lose
cortex
mychorizea
root cap - zone of elongation - maturation - division
25. Stems differ from roots in ____?
transpiration rates decrease
upper epidermal cells
the presence of nodes and internodes
deciduous
26. When the calyx - corolla - and stamen of a flower appear to be attached at the top of the ovary - the ovary is said to be ____?
phelloderm
exocarp
inferior
endodermis
27. Most of the water that enters a plant via the roots exits the same plant by the process of ____?
phelloderm
red light
transpiration
guard cell and root hair
28. During the light dependent reactions of photosynthesis - ____?
vascular bundles
stele
terger
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
29. 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?
penicilin
oxygen
casperian strips
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
30. 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
sweet potato
ovule
31. The ovay wall of a ferilized flower usually develops into What is referred to as ____?
enter
fig
fruit
there could've been a high concentration of nutrients - such as salt - surounding the roots making it impossible for osmosis to occur
32. Cells produced by the vascular cambium do NOT include ___?
stigma
parenchyma
potassium
transpiration rates decrease
33. Plants maintain a constant flow of water from the roots to the leaves through a process very critical to life on land called ____?
taproots
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
transpiration
apical meristem
34. A uniovulate carpel would contain how many seed?
manganese
1
inferior
inferior
35. Differentiate between diffusion and osmosis?
diffusion is the movement of particles from high to low concentration; osmosis is movement of water from high to low concentration
auxillary
enter
loam
36. Roots differ from stems in ___?
grasslands
stolon/runner
all of the above are correct
radicle
37. Fruit forms from the ovary wall of a flower referred to a the ___?
cellulose
pneumatophoves
diffuse out
pericarp
38. Why do most roots tend to die in soils that contain very high concentrations of salts (or fertilizer)?
water molecules
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
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
vascular cambium
39. Which fruit or seed is dispersed by water?
bracts
antenna pigments
coconut
rhizomes
40. Explain why a cucumber or tomato really should be referred to as a fruit?
internode
transpiration rates decrease
3 carbon pathway
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
41. Horizontal stems that grow just below the surface of the soil are called ____?
the presence of nodes and internodes
rhizomes
phloem
fibrous
42. The osmotic response of guard cells is governed by the ___ levels in the guard cells?
auxillary
cambium
internodes
potassium
43. These 'showy' modified leaves are found at the base of flowers and usually draw attention to the smaller real flowers?
bracts
auxillary
ovary
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
44. A conspicuous organelle at the light microscope level in cells of the palisade mesophyll would be ___?
vascular bundles
exocarp
chloroplasts
rain
45. The discrete paches of xylem and phloem found in herbaceous dicot stems are called ____?
rhizomes
fruit
region of maturation
vascular bundles
46. Sugars produced in photosynthesis are loaded intothe ___ of the leaf?
exocarp
phloem
vessel elements
high turgor pressure opens Kt-->0. low turgor pressure close 0
47. Pollen is produced in the ____ of a flower?
anther
guard cell and root hair
receptacle
cotyledon
48. Cells produced by the vascular cambium do NOT include ___?
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
parenchyma
phelloderm
49. ____ is the stage of cellular respiration that takes place outside of the mitochondria?
node
pericarp
vessels conduct sugars - traechids conduct water
glycolysis
50. Explain the process by which plants get water from the soil into the leaves?
pericarp
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
rain
exocarp