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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. Which soil horizon is the most important agriculturally?
there could've been a high concentration of nutrients - such as salt - surounding the roots making it impossible for osmosis to occur
horizon E
oxygen
lignin
2. Specialized cells in the vascular tssue of a root responsible for initiating lateral root growth are _____ cells?
lignin
annuals
apical meristem
endodermis
3. Which of the following would NOT be part of the stele?
cortex
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
pericarp
sweet potato
4. The areas between the location of leaf attachments on the stem are called ___?
eristems
internodes
phelloderm
base of grass leaves
5. An example of a multiple fruit would be the ___?
phloem
manganese
fig
concentration outside roots causes plant to lose h20
6. Photosystem pigments that function in gathering and passing light energy to reaction-center molecules are called ___?
node
more stomata on the upper surface
eristems
antenna pigments
7. Stoma are regulated by guard cells which swell or shrink due to movement of this specific ion in the stomata?
K
the presence of nodes and internodes
transpiration
desert
8. The discrete paches of xylem and phloem found in herbaceous dicot stems are called ____?
coconut
vessels
vascular bundles
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions
9. Which of the following is a specialized leaf?
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
internodes
stem
parenchyma
10. The type of root system found in a dicot is a ___?
conduction and absorption
taproots
cotyledon
sweet potato
11. 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?
casperian strips
exocarp
stem
having a special covering called the root cap
12. Which molecule is synthesized during the light reactions of photosynthesis by receiving electrons - becoming an eectron carrier molecule?
casperian strips
axillary bud
vascular bundles
NADPH
13. 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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14. Not a specialized leaf?
bulb
apical meristem
Irish potato
anther
15. These 'showy' modified leaves are found at the base of flowers and usually draw attention to the smaller real flowers?
casperian strips
leave the cell
lignin
bracts
16. Grasses - or monocots - are examples of plants with a ____ root system?
transpiration
lignin
stigma
fibrous
17. The osmotic response of guard cells is governed by the ___ levels in the guard cells?
potassium
transpiration
vascular cambium
internode
18. In which region would an ntercalary meristem be found?
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
1
base of grass leaves
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
19. Why is visible light good energy to use for photsynthesis?
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20. The ___ horizon - also referred to as ____ - is the most imp't agriculturally and deep layers of This is found in the ____ biome?
guard cells
node
A - topsoil - grassland
potassium
21. Most of the water that enters a plant via the roots exits the same plant by the process of ____?
potassium
transpiration
major elements vegetation requires for growth (macronutrients)
transpiration rates increase
22. When the calyx - corolla - and stamen of a flower are attached below the overy - the ovary is said to be ___?
superia
exocarp
concentration outside roots causes plant to lose h20
A - topsoil - grassland
23. When humidity is low - ___?
parenchyma
transpiration
transpiration rates can decrease
Irish (white) potato
24. Ultmately - how is energy moved around and created in living things?
there could've been a high concentration of nutrients - such as salt - surounding the roots making it impossible for osmosis to occur
pith
rhizomes
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions
25. If the concentration of solutes outside the plant cell is greater than the concentration on the inside - water will _____?
exocarp
diffuse out
vessel elements
fruit
26. Cells produced by the vascular cambium include ___?
diffuse out
chloroplasts
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
internode
27. Pressure that develops within a living cell as a result of water entering the cell is called ____?
imbibition
axillary bud
tungor
apical meristem
28. Roots differ from stems in ___?
diffuse out
inferior
all of the above are correct
3 carbon pathway
29. The osmotic response of guard cells is governed by ____ levels in the guard cells?
manganese
potassium
pericarp
tungor
30. Plants whose leaves fall off at the end of the growing season are ___?
chloroplasts
deciduous
superia
transpiration
31. The leaves of cacti are actually ____?
cellulose
diffusion is the movement of particles from high to low concentration; osmosis is movement of water from high to low concentration
cotyledon
prickles
32. Root hairs are found in the region of the root called the ____?
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
region of maturation
antenna pigments
33. When humidity is high - ____?
Irish (white) potato
transpiration rates decrease
sweet potato
ovule
34. A conspicuous organelle at the light microscope level in cells of the palisade mesophyll would be ___?
chloroplasts
transpiration
false
strawberry
35. Which of the following is a critical part of a seed providing nutrition for the embryo?
dioecious; staminate
taproots
receptacle
cotyledon
36. The skin of most fruits is technically the ____?
transpiration rates can decrease
exocarp
ovules
sweet potato
37. Which of the following is a specialized root for storage?
bulb
major elements vegetation requires for growth (macronutrients)
fruit
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
38. Which biome has the worst 'A' horizon?
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions
upper epidermal cells
desert
inferior
39. Briefly describe the development of vascular tissu by the lateral/vascular cambium of a stem and how that results in the production of wood?
loam
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
node
CHOPKNSCa
40. A cactus is classified as a modified ____?
stem
more stomata on the upper surface
internode
vascular bundles
41. The final electron acceptor during the process of cellular respiration is ___?
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
oxygen
internode
dioecious; staminate
42. If the concentration of solutes inside the plant cell is greater than the concentration on the outside - water will _____ the cell?
leave the cell
enter
K
receptacle
43. 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?
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
tap - fiblous
ovule
44. Stems differ from roots in ___?
auxillary
having a special covering called the root cap
ovary
rain
45. The part of the flower in which seeds are produced is the ___?
ovary
water molecules
imbition
3 carbon pathway
46. Mitochondria are organelles responsible for ___?
mitochondria - chemiosmosis
sweet potato
guard cells
aerobic
47. A leaf with leaflets is classified as a ____ leaf while a leaf with a single blade is classified as a ____ leaf?
compound - simple
transpiration
K
ovule
48. Specialized roots that permit plants growing in water to facilitate
pneumatophoves
inferior
phelloderm
fibrous
49. An example of an aggregate fruit would be the ___?
prickles
node
1
strawberry
50. The longest wavelength of energy reaching the earth from the sun is ___?
ovary
red light
all of the above are correct
vascular bundles
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