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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. Most of the water that enters a plant via the roots leaves the same plant by the process of ____?
ovules
dioecious; staminate
transpiration
parenchyma
2. When the calyx - corolla and stamen of a flower are attached at the top of the ovary - the ovary is said to be ___?
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
tap - fiblous
inferior
pith
3. Plants whose leaves fall off at the end of the growing season are ___?
deciduous
inferior
pith
internode
4. Which of the following is a specialized leaf?
sweet potato
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
vessel elements
sweet potato
5. The longest wavelength of energy reaching the earth from the sun is ___?
vessels
red light
phloem
guard cells
6. Most of the flesh of pomes comes from the __?
grows back every year
receptacle
chollenchyma
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
7. The ground tissue of monocots is composed of ___?
A - topsoil - grassland
rhizomes
taproots
parenchyma
8. The discrete paches of xylem and phloem found in herbaceous dicot stems are called ____?
endodermis
more stomata on the upper surface
vascular bundles
cotyledon
9. The dermal tissues of leaves have wha specialized cells to regulate gas exchange?
vascular cambium
desert
guard cells
sweet potato
10. 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?
1
receptacle
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.
antenna pigments
11. 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 ____?
stolon/runner
annual ring
rain
inferior
12. Fruit forms from the ovary wall of a flower referred to a the ___?
cassava
annuals
pericarp
chloroplasts
13. In a mature - woody dicot stem - the tissue between the xylem and the phloem is the ___?
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
vascular cambium
all of the above are correct
apical meristem
14. Which of the following drugs is NOT obtained from leaves?
more stomata on the upper surface
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
penicilin
superia
15. Not a specialized stem?
transpiration
false
cassava
apical meristem
16. Wood cells are composed primarily of lignin and ____?
vascular bundles
guard cells
cellulose
transpiration
17. The Calvin cycle is sometimes referred to as the ___?
3 carbon pathway
sclerenchyma
ovary
compound - simple
18. Which cell types hav the primary function of photosynthesis?
chollenchyma
transpiration rates increase
transpiration
having a special covering called the root cap
19. The leaves of cacti are actually ____?
prickles
rhizomes
lose
1
20. Specialized roots that permit plants growing in water to facilitate
red light
rhizomes
pollen:stigma
pneumatophoves
21. Pressure that develops within a living cell as a result of water entering the cell is called ____?
axillary bud and leaf
root hairs
oxygen
tungor
22. The skin of most fruits is technically the ___?
lignin
mitochondria - chemiosmosis
A - topsoil - grassland
exocarp
23. In a mature - woody dicot stem - the tissue between the xylem and phloem is the ____?
parenchyma
ovary
having a special covering called the root cap
cambium
24. Specialized epidermal cells that increase the surface area for absorption of water are ____?
root hairs
pneumatophoves
mitochondria - chemiosmosis
stigma
25. The part of the flower where seeds are produced is called the ___?
transpiration rates increase
cortex
ovary
NADPH
26. A cactus is classified as a modified ____?
terger
transpiration rates increase
vascular bundles
stem
27. ____ is the stage of cellular respiration that takes place outside of the mitochondria?
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions
glycolysis
deciduous
imbibition
28. The layer of chlorenchyma cells oriented to capture optimum sunlight at the top of the leaf are the ____?
upper epidermal cells
rain
prickles
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
29. The part of the flower in which seeds are produced is the ___?
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
potassium
ovary
sclerenchyma
30. Horizontal stems that produce roots and shoots are ___?
rhizomes
ovules
pith
concentration outside roots causes plant to lose h20
31. When humidity is high - ____?
transpiration rates decrease
glycolysis
imbition
superia
32. Explain the process by which plants get water from the soil into the leaves?
internodes
bulb
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
having a special covering called the root cap
33. A primary function of traechids is ___?
water conduction
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
internode
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
34. 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?
penicilin
aerobic
ovary
concentration outside roots causes plant to lose h20
35. Roots differ from stems in ___?
concentration outside roots causes plant to lose h20
modified stems
all of the above are correct
potassium
36. Which biome has the worst 'A' horizon?
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.
all of the above are correct
desert
A - topsoil - grassland
37. Which soil horizon is the most important agriculturally?
root hairs
plasmolysis
horizon E
glycolysis
38. The parts of a flower that form male gametes are the ____?
exocarp
stamen; anther
digitalis
stem
39. Wood cells are composed primarily of cellulose and ___?
absorpion of minerals in solution
sclerenchyma
lignin
guard cell and root hair
40. Pressure that develops within a living cell as the result of water entering the cell is called ___?
receptacle
conduction and absorption
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
turgor pressure
41. The ___ horizon - also referred to as ____ - is the most imp't agriculturally and deep layers of This is found in the ____ biome?
NADPH
root cap - zone of elongation - maturation - division
sclerenchyma
A - topsoil - grassland
42. Which is a type of epidermal cell?
anther
annuals
sclerenchyma
guard cell and root hair
43. Most of the water that enters a plant via the roots exits the same plant by the process of ____?
cortex
transpiration
root cap - zone of elongation - maturation - division
pith
44. If the concentration of solutes inside the plant cell is grater than the concentration on the outside - water will move ___?
into the cell
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
desert
root hairs
45. A structure in the axil of an attached leaf that is apable of future growth to form a branch shoot is the ____?
vascular cambium
axillary bud
node
upper epidermal cells
46. Most cacti are __________ where the stem is responsible for the photosynthetic processes in the plant?
modified stems
compound - simple
stamen; anther
leave the cell
47. Which of the following is a critical part of a seed providing nutrition for the embryo?
terger
cotyledon
absorpion of minerals in solution
vessel elements
48. Stems differ from roots in ___?
K
having a special covering called the root cap
vessels
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions
49. Which of the following is not a specialized stem?
phloem
sweet potato
rain
base of grass leaves
50. The discrete patches of xylem and phloem found in herbaceous dicot stems are called ___?
mychorizea
concentration outside roots causes plant to lose h20
vascular bundles
radicle
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