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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. When humidity is high - ____?
axillary bud and leaf
transpiration rates decrease
bulb
ovary
2. ____ is the stage of cellular respiration that takes place outside of the mitochondria?
diffuse out
vascular bundles
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
glycolysis
3. When the calyx - Corolla - and stamens of a flower are attached at the top of the ovary - the ovary is said to be ____?
fibrous
inferior
root cap - zone of elongation - maturation - division
receptacle
4. This tissue (region) is present in monocot roots but absent in dicot roots?
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
grasslands
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.
pith
5. Most of the water that enters a plant via the roots exits the same plant by the process of ____?
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.
pith
transpiration
it has node marks all over it where branches could grow off of.
6. 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 ____?
ovary
stamen; anther
inferior
the presence of nodes and internodes
7. The fungi symbiotically associated with roots are called ___?
rhizomes
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
mychorizea
concentration outside roots causes plant to lose h20
8. The space between the nodes of a stem is called the _____?
internode
conduction and absorption
inferior
K
9. Wood cells are composed primarily of lignin and ____?
base of grass leaves
cellulose
modified stems
vascular cambria
10. Which is a type of epidermal cell?
major elements vegetation requires for growth (macronutrients)
high turgor pressure opens Kt-->0. low turgor pressure close 0
guard cell and root hair
inferior
11. The 'eyes' of the Irish potato are actually ___?
auxillary
there could've been a high concentration of nutrients - such as salt - surounding the roots making it impossible for osmosis to occur
root cap - zone of elongation - maturation - division
vascular bundles
12. Strawberries are an example of what kind of modified stem?
axillary bud
stolon/runner
fruit
turgor pressure
13. 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?
phloem
casperian strips
superia
ovary
14. Pollen is produced in the ____ of a flower?
anther
lignin
sweet potato
phloem
15. The skin of most fruits is technically the ___?
major elements vegetation requires for growth (macronutrients)
transpiration
rhizomes
exocarp
16. A leaf with leaflets is classified as a ____ leaf while a leaf with a single blade is classified as a ____ leaf?
compound - simple
water conduction
root hairs
guard cells
17. The layer of chlorenchyma cells oriented to capture optimum sunlight at the top of the leaf are the ____?
it has node marks all over it where branches could grow off of.
1
Irish (white) potato
upper epidermal cells
18. Plants maintain a constant flow of water from the roots to the leaves through a process very critical to life on land called ____?
guard cell and root hair
transpiration
root hairs
it has node marks all over it where branches could grow off of.
19. Roots differ from stems in ___?
modified stems
all of the above are correct
exocarp
ovule
20. An example of a multiple fruit would be the ___?
conduction and absorption
fig
rhizomes
parenchyma
21. ___ 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?
tap - fiblous
receptacle
all of the above are correct
taproots
22. The part of the flower in which seeds are produced is the ___?
ovule
root hairs
root hairs
ovary
23. Briefly describe the development of vascular tissu by the lateral/vascular cambium of a stem and how that results in the production of wood?
rhizomes
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
cotyledon
internode
24. The part of the flower that eventually become seeds are the ___?
compound - simple
cortex
high turgor pressure opens Kt-->0. low turgor pressure close 0
ovule
25. The part of the flower where seeds are produced is called the ___?
radicle
strawberry
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
ovary
26. 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?
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
glycolysis
cotyledon
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
27. Root hairs are found in the region of the root called the ____?
grows back every year
region of maturation
glycolysis
into the cell
28. Specialized roots that permit plants growing in water to facilitate
pneumatophoves
node
bulb
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
29. Which of the following is a specialized root for storage?
into the cell
loam
auxillary
bulb
30. Which of the following drugs are NOT obtained from leaves?
pith
diffuse out
1
digitalis
31. Pressure that develops within a living cell as a result of water entering the cell is called ____?
grows back every year
water conduction
tungor
ovules
32. 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 ____?
fruit
tap - fiblous
upper epidermal cells
mitochondria - chemiosmosis
33. The oxygen liberated by green plants during photosynthesis comes from ___?
ovules
grows back every year
strawberry
water molecules
34. When the calyx - corolla - and stamen of a flower are attached below the overy - the ovary is said to be ___?
superia
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
into the cell
axillary bud and leaf
35. Which of the following is a specialized leaf?
imbition
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
phloem
annual ring
36. This cell type is important in monocot and dicot roots by helping to regulate what gets into the ___?
chollenchyma
into the cell
fig
endodermis
37. A cactus is classified as a modified ____?
stem
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
cassava
taproots
38. Which molecule is synthesized during the light reactions of photosynthesis by receiving electrons - becoming an eectron carrier molecule?
dioecious; staminate
vessels
radicle
NADPH
39. Specialized cells in the vascular tssue of a root responsible for initiating lateral root growth are _____ cells?
apical meristem
region of maturation
eristems
phloem
40. Differentiate between diffusion and osmosis?
potassium
diffusion is the movement of particles from high to low concentration; osmosis is movement of water from high to low concentration
terger
vascular bundles
41. The fleshy edible part of the strawberry is actually the ____?
mychorizea
pericarp
major elements vegetation requires for growth (macronutrients)
rhizomes
42. Horizontal stems that grow just below the surface of the soil are called ____?
concentration outside roots causes plant to lose h20
receptacle
rhizomes
grasslands
43. 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 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.
transpiration
pith
44. Fungi which associate with roots to increase water absorption and mineral uptake are called ____?
chloroplasts
fruit
mycoorhizae
sweet potato
45. In which of the following are guard cells (that form stomata) not actively involved?
internode
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
turgor pressure
imbition
46. The spines of cacti are specially adapted to perform 2 imp't functions for the plant - transpiration and photosynthesis. True or false?
NADPH
stele
coconut
false
47. The initial step in the germination of a seed is called ____?
pneumatophoves
imbibition
pressure-flow hypothesis
transpiration rates decrease
48. Grasses - or monocots - are examples of plants with a ____ root system?
pneumatophoves
phelloderm
fibrous
terger
49. These 'showy' modified leaves are found at the base of flowers and usually draw attention to the smaller real flowers?
modified stems
vessel elements
bracts
internodes
50. 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?
concentration outside roots causes plant to lose h20
mycoorhizae
ovules
fruit