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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. At present the most widely accepted theory for movement of substances in the phloem is called the ____?
pressure-flow hypothesis
transpiration rates increase
tungor
ovary
2. The major regions of a root tip are ____ - ___ - _____ and _____?
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
vascular bundles
root cap - zone of elongation - maturation - division
3. Explain how a guard cell opens and closes the stoma?
stigma
more stomata on the upper surface
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
red light
4. Horizontal stems that produce roots and shoots are ___?
rhizomes
A - topsoil - grassland
transpiration rates decrease
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
5. The 'eyes' of the Irish potato are actually ___?
stamen; anther
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
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
auxillary
6. 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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7. The space between the nodes of a stem is called the _____?
internode
base of grass leaves
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
penetrate very deeply to underground water reservoirs
8. 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 ____?
phloem
rain
vascular bundles
oxygen
9. The part of the root containing the vascular tissue?
stele
transpiration
cortex
it has node marks all over it where branches could grow off of.
10. Explain why a cucumber or tomato really should be referred to as a fruit?
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
pericarp
root hairs
11. What does the term 'C'HOPK'NS CaFe Mighty good' represent?
major elements vegetation requires for growth (macronutrients)
guard cells
diffuse out
into the cell
12. ___ 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?
sclerenchyma
ovary
tap - fiblous
internodes
13. A cactus is classified as a modified ____?
radicle
stem
cotyledon
tap - fiblous
14. What is attached at the node?
base of grass leaves
axillary bud and leaf
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
dioecious; staminate
15. Mitochondria are organelles responsible for ___?
aerobic
ovary
A - topsoil - grassland
guard cells
16. Specialized epidermal cells that increase the surface area for absorption of water are ____?
inferior
root hairs
superia
imbition
17. The fleshy edible part of the strawberry is actually the ____?
Irish potato
pericarp
node
phloem
18. The skin of most fruits is technically the ___?
mycoorhizae
having a special covering called the root cap
exocarp
transpiration rates increase
19. When a plant cell loses water and the cell membrane pulls away from the cell wall - the cell is said to be under going ____?
stem
aerobic
plasmolysis
transpiration
20. 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?
all of the above are correct
casperian strips
phloem
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
21. Which biome has the best 'A' horizon?
grasslands
receptacle
ovary
it has node marks all over it where branches could grow off of.
22. In which of the following are guard cells (that form stomata) not actively involved?
inferior
imbition
upper epidermal cells
root hairs
23. Roots differ from stems in ___?
absorpion of minerals in solution
all of the above are correct
phloem
NADPH
24. In a mature - woody dicot stem - the tissue between the xylem and phloem is the ____?
cassava
dioecious; staminate
transpiration rates decrease
cambium
25. One year's growth of xylem in secondary wood is referred to as an ____?
annual ring
vascular bundles
A - topsoil - grassland
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
26. Which of the following woud NOT be a part of the vasulcar stele?
transpiration rates decrease
chollenchyma
cortex
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
27. Explain how a guard cell opens and closes the stoma?
desert
stem
glycolysis
high turgor pressure opens Kt-->0. low turgor pressure close 0
28. In a mature - woody dicot stem - the tissue/cell type between the xylem and the phloem is the _____?
desert
vascular cambria
A - topsoil - grassland
aerobic
29. Horizontal stems that grow just below the surface of the soil are called ____?
sweet potato
rhizomes
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
prickles
30. Most of the flesh of pomes comes from the __?
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
aerobic
receptacle
superia
31. If the concentration of solutes inside the plant cell is grater than the concentration on the outside - water will move ___?
rhizomes
eristems
into the cell
internodes
32. When humidity is low - ____ ?
cellulose
false
transpiration rates increase
ovule
33. Cells produced by the vascular cambium do NOT include ___?
stamen; anther
parenchyma
endodermis
rhizomes
34. Leaves and buds are attached to the stem at the ___?
node
root hairs
callyx/corolla
apical meristem
35. 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?
the presence of nodes and internodes
coconut
parenchyma
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
36. This tissue/region is present in monocot roots but absent in dicot roots?
inferior
transpiration rates can decrease
K
pith
37. Why do most roots tend to die in soils that contain very high concentrations of salts (or fertilizer)?
leave the cell
guard cells
pericarp
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
38. Fruit forms from the ovary wall of a flower referred to a the ___?
cotyledon
pericarp
penetrate very deeply to underground water reservoirs
lignin
39. Plants whose leaves fall off at the end of the growing season are ___?
CHOPKNSCa
false
deciduous
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
40. Strawberries are an example of what kind of modified stem?
stigma
endodermis
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions
stolon/runner
41. When the calyx - corolla and stamen of a flower are attached at the top of the ovary - the ovary is said to be ___?
CHOPKNSCa
inferior
A - topsoil - grassland
potassium
42. The longest wavelength of energy reaching the earth from the sun is ___?
parenchyma
axillary buds
more stomata on the upper surface
red light
43. Leaves and buds are attached to the stem at the ___?
there could've been a high concentration of nutrients - such as salt - surounding the roots making it impossible for osmosis to occur
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
node
mychorizea
44. Which fruit or seed is dispersed by water?
coconut
chloroplasts
tungor
K
45. 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.
annuals
all of the above are correct
terger
stigma
46. The ovay wall of a ferilized flower usually develops into What is referred to as ____?
transpiration
root hairs
fruit
leave the cell
47. Explain the process by which plants get water from the soil into the leaves?
water conduction
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
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
horizon E
48. Pollen adheres to a sticky portion of the flower called the ___?
stigma
pith
pollen:stigma
lose
49. During the light dependent reactions of photosynthesis - ____?
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
stolon/runner
aerobic
turgor pressure
50. One year's growth of xylem in secondary wood is referred to as an _____?
annual ring
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
grasslands
guard cells