SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. In addition to anchoring a plant - roots usually function directly in which of the following processes?
stigma
ovary
transpiration
absorpion of minerals in solution
2. The main 'job' of the root is ____?
transpiration rates decrease
conduction and absorption
dioecious; staminate
node
3. Why is an Irish/white potato classified as a modified stem?
desert
it has node marks all over it where branches could grow off of.
node
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
4. Specialized epidermal cells that increase the surface area for absorption of water are ____?
root hairs
pith
1
A - topsoil - grassland
5. The space between the nodes of a stem is called the _____?
exocarp
root cap - zone of elongation - maturation - division
internode
fig
6. In a mature - woody dicot stem - the tissue between the xylem and the phloem is the ___?
phelloderm
vascular cambium
stigma
ovary
7. Grasses - or monocots - are examples of plants with a ____ root system?
transpiration rates can decrease
internodes
callyx/corolla
fibrous
8. Pressure that develops within a living cell as a result of water entering the cell is called ____?
ovary
exocarp
tungor
tap - fiblous
9. What is attached at the node?
axillary bud and leaf
Irish potato
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
vascular cambria
10. When the calyx - Corolla - and stamens of a flower are attached at the top of the ovary - the ovary is said to be ____?
aerobic
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
inferior
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
11. Root hairs are found in the region of the root called the ____?
region of maturation
potassium
high turgor pressure opens Kt-->0. low turgor pressure close 0
vessels conduct sugars - traechids conduct water
12. Stems differ from roots in ____?
mychorizea
the presence of nodes and internodes
superia
enter
13. Pollen is produced in the ____ of a flower?
anther
high turgor pressure opens Kt-->0. low turgor pressure close 0
vascular bundles
root cap - zone of elongation - maturation - division
14. The type of root system found in a dicot is a ___?
bulb
there could've been a high concentration of nutrients - such as salt - surounding the roots making it impossible for osmosis to occur
taproots
deciduous
15. Which of the following is a critical part of a seed providing nutrition for the embryo?
internodes
cotyledon
concentration outside roots causes plant to lose h20
transpiration rates decrease
16. The leaves of cacti are actually ____?
prickles
eristems
phelloderm
pollen:stigma
17. Lignin is found primarily in ___?
internode
horizon E
potassium
sclerenchyma
18. The skin of most fruits is technically the ___?
water conduction
exocarp
more stomata on the upper surface
major elements vegetation requires for growth (macronutrients)
19. Which of the following is a critical part of a seed providing nutrition for the embryo?
sweet potato
cotyledon
callyx/corolla
region of maturation
20. 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
pressure-flow hypothesis
axillary bud
fig
21. The major regions of a root tip are ____ - ___ - _____ and _____?
mycoorhizae
root cap - zone of elongation - maturation - division
concentration outside roots causes plant to lose h20
annuals
22. Which of the following is a specialized root for storage?
ovules
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
ovary
bulb
23. The part of the flower in which seeds are produced is the ___?
transpiration
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
axillary buds
ovary
24. When the calyx - corolla and stamen of a flower are attached at the top of the ovary - the ovary is said to be ___?
inferior
cortex
root cap - zone of elongation - maturation - division
stele
25. Most of the water that enters a plant via the roots leaves the same plant by the process of ____?
guard cell and root hair
inferior
transpiration
Irish (white) potato
26. Which soil horizon is the most important agriculturally?
horizon E
vascular cambium
vessel elements
cellulose
27. 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?
parenchyma
annual ring
turgor pressure
casperian strips
28. Not a specialized leaf?
Irish potato
fig
internode
base of grass leaves
29. Leaves and buds are attached to the stem at the ___?
stem
manganese
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
node
30. This structure in the ovary of a flower is responsible for producing a seed?
ovule
vascular cambria
axillary bud
sclerenchyma
31. Roots differ from stems in ___?
auxillary
leave the cell
axillary buds
all of the above are correct
32. A leaf with leaflets is classified as a ____ leaf while a leaf with a single blade is classified as a ____ leaf?
phloem
desert
NADPH
compound - simple
33. The 'eyes' of the Irish potato are actually ___?
base of grass leaves
auxillary
axillary buds
cotyledon
34. If the concentration of solutes inside the plant cell is greater than the concentration on the outside - water will _____ the cell?
inferior
chloroplasts
vascular cambria
enter
35. Pressure that develops within a living cell as the result of water entering the cell is called ___?
compound - simple
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
turgor pressure
all of the above are correct
36. Which of the following cell types hs food conduction as a primary function?
phloem
upper epidermal cells
strawberry
transpiration
37. 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 ____?
transpiration rates decrease
sweet potato
rain
exocarp
38. ___ 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
penicilin
axillary bud
stigma
39. The dermal tissues of leaves have wha specialized cells to regulate gas exchange?
guard cells
stigma
having a special covering called the root cap
stamen; anther
40. The ground tissue of monocots is composed of ___?
water conduction
transpiration rates increase
parenchyma
guard cell and root hair
41. One year's growth of xylem in secondary wood is referred to as an ____?
prickles
water molecules
annual ring
grows back every year
42. 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
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions
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
A - topsoil - grassland
43. Which cell types hav the primary function of photosynthesis?
red light
having a special covering called the root cap
chollenchyma
pericarp
44. The fleshy edible part of the strawberry is actually the ____?
transpiration
pericarp
ovule
fig
45. The initial step in the germination of a seed is called ____?
guard cell and root hair
cortex
plasmolysis
imbibition
46. In which region would an ntercalary meristem be found?
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
NADPH
transpiration
base of grass leaves
47. Photosystem pigments that function in gathering and passing light energy to reaction-center molecules are called ___?
transpiration
antenna pigments
bulb
more stomata on the upper surface
48. Briefly describe the development of vascular tissu by the lateral/vascular cambium of a stem and how that results in the production of wood?
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
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
fruit
phelloderm
49. 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
grows back every year
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
transpiration
50. An example of an aggregate fruit would be the ___?
pith
strawberry
bracts
coconut