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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. This tissue (region) is present in monocot roots but absent in dicot roots?
strawberry
callyx/corolla
desert
pith
2. Which cell types hav the primary function of photosynthesis?
chollenchyma
transpiration rates decrease
sweet potato
endodermis
3. When humidity is low - ___?
tap - fiblous
transpiration rates can decrease
plasmolysis
having a special covering called the root cap
4. If the concentration of solutes inside the plant cell is greater than the concentration on the outside - water will _____ the cell?
enter
transpiration
rhizomes
stigma
5. Which of the following is a critical part of a seed providing nutrition for the embryo?
tungor
cotyledon
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions
phloem
6. At present the most widely accepted theory for movement of substances in the phloem is called the ____?
taproots
receptacle
pressure-flow hypothesis
vessel elements
7. Strawberries are an example of what kind of modified stem?
vascular bundles
exocarp
all of the above are correct
stolon/runner
8. Explain the process by which plants get water from the soil into the leaves?
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
annual ring
annual ring
endodermis
9. Which of the following drugs are NOT obtained from leaves?
annual ring
phloem
digitalis
vascular cambium
10. Roots differ from stems in ___?
the presence of nodes and internodes
all of the above are correct
rhizomes
superia
11. Most of the water that enters a plant via the roots leaves the same plant by the process of ____?
glycolysis
taproots
transpiration
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
12. 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
pressure-flow hypothesis
deciduous
phelloderm
13. Which pair goes along with pollination?
aerobic
sclerenchyma
pollen:stigma
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
14. Which of the following is a critical part of a seed providing nutrition for the embryo?
cotyledon
stigma
strawberry
radicle
15. Roots differ from stems in ___?
coconut
anther
all of the above are correct
fig
16. 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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17. What does the term 'C'HOPK'NS CaFe Mighty good' represent?
water conduction
superia
major elements vegetation requires for growth (macronutrients)
parenchyma
18. Pressure that develops within a living cell as the result of water entering the cell is called ___?
turgor pressure
internodes
horizon E
stele
19. The parts of a flower that form male gametes are the ____?
stamen; anther
fig
glycolysis
3 carbon pathway
20. The layer of chlorenchyma cells oriented to capture optimum sunlight at the top of the leaf are the ____?
transpiration rates can decrease
upper epidermal cells
fibrous
phloem
21. Pollen is produced in the ____ of a flower?
pollen:stigma
anther
apical meristem
cotyledon
22. The fungi symbiotically associated with roots are called ___?
cotyledon
transpiration
eristems
mychorizea
23. Photosystem pigments that function in gathering and passing light energy to reaction-center molecules are called ___?
axillary bud and leaf
axillary buds
antenna pigments
digitalis
24. Which of the following would NOT be part of the stele?
ovary
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
cambium
cortex
25. The 'eyes' of the Irish potato are actually ___?
it has node marks all over it where branches could grow off of.
turgor pressure
transpiration
auxillary
26. What 8 elements are classified as major/macro elements for plant development?
vessel elements
CHOPKNSCa
absorpion of minerals in solution
into the cell
27. The osmotic response of guard cells is governed by the ___ levels in the guard cells?
potassium
auxillary
casperian strips
pericarp
28. Name the 4 parts of aflower and briefly explain the process of double fertilization?
mychorizea
exocarp
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
desert
29. Horizontal stems that produce roots and shoots are ___?
annual ring
rhizomes
penicilin
region of maturation
30. Which of the following cell types hs food conduction as a primary function?
sweet potato
water conduction
cotyledon
phloem
31. Explain photorespiration and how the enzyme rubisco plays a major role in that process during photosynthesis?
all of the above are correct
imbition
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
sweet potato
32. One year's growth of xylem in secondary wood is referred to as an ____?
node
parenchyma
enter
annual ring
33. When a plant cell loses water and the cell membrane pulls away from the cell wall - the cell is said to be under going ____?
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
plasmolysis
more stomata on the upper surface
mychorizea
34. 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 ____?
pneumatophoves
cortex
rain
penicilin
35. Leaves and buds are attached to the stem at the ___?
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
node
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
desert
36. The 'eyes' of the Irish potato are actually ____?
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
axillary buds
all of the above are correct
red light
37. Specialized epidermal cells that increase the surface area for absorption of water are ____?
axillary buds
deciduous
root hairs
vessels
38. When humidity is low - ____ ?
potassium
transpiration rates increase
Irish potato
inferior
39. Which biome has the worst 'A' horizon?
cortex
desert
diffusion is the movement of particles from high to low concentration; osmosis is movement of water from high to low concentration
root cap - zone of elongation - maturation - division
40. The areas between the location of leaf attachments on the stem are called ___?
internodes
having a special covering called the root cap
tungor
inferior
41. The dermal tissues of leaves have wha specialized cells to regulate gas exchange?
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.
the presence of nodes and internodes
A - topsoil - grassland
guard cells
42. Flowers are usually attached to a special structure at the end of a stem or peduncle called a ___?
stem
anther
receptacle
bulb
43. Which fruit or seed is dispersed by water?
3 carbon pathway
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
coconut
oxygen
44. What is attached at the node?
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
lose
stele
axillary bud and leaf
45. ____ is the stage of cellular respiration that takes place outside of the mitochondria?
glycolysis
vessels
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
root hairs
46. Which of the following drugs is NOT obtained from leaves?
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
false
penicilin
47. The discrete paches of xylem and phloem found in herbaceous dicot stems are called ____?
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.
vascular bundles
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
deciduous
48. A plant with flowers containing stamens but no carpels would be a ___ plant with ____ flowers?
aerobic
dioecious; staminate
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
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
49. Grasses - or monocots - are examples of plants with a ____ root system?
fibrous
transpiration
guard cells
concentration outside roots causes plant to lose h20
50. Specialized epidermal cells that increase the surface area for absorption of water are ____?
anther
A - topsoil - grassland
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
root hairs