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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. 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?
pressure-flow hypothesis
dioecious; staminate
penetrate very deeply to underground water reservoirs
concentration outside roots causes plant to lose h20
2. 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 ____?
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
callyx/corolla
penetrate very deeply to underground water reservoirs
inferior
3. When humidity is high - ____?
pith
pith
NADPH
transpiration rates decrease
4. Not a specialized leaf?
Irish (white) potato
ovary
endodermis
root hairs
5. Ultmately - how is energy moved around and created in living things?
pericarp
axillary bud
internode
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions
6. Lignin is found primarily in ___?
eristems
sclerenchyma
vascular bundles
manganese
7. Most cacti are __________ where the stem is responsible for the photosynthetic processes in the plant?
coconut
transpiration
root hairs
modified stems
8. The wood of cone bearing trees - softwoods - consists of primary traechids - while the wood of flowering trees - hardwoods - consists of traechids and ____?
grasslands
NADPH
stolon/runner
vessels
9. These 'showy' modified leaves are found at the base of flowers and usually draw attention to the smaller real flowers?
parenchyma
conduction and absorption
bracts
stolon/runner
10. 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 ____?
concentration outside roots causes plant to lose h20
water conduction
upper epidermal cells
mitochondria - chemiosmosis
11. If the concentration of solutes/salts outside the plant cell is greater than the concentration on the inside - water will ____?
mitochondria - chemiosmosis
leave the cell
pressure-flow hypothesis
root hairs
12. The fleshy edible part of the strawberry is actually the ____?
pericarp
receptacle
plasmolysis
water molecules
13. The part of the flower in which seeds are produced is the ___?
K
mitochondria - chemiosmosis
endodermis
ovary
14. 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?
diffusion is the movement of particles from high to low concentration; osmosis is movement of water from high to low concentration
base of grass leaves
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
horizon E
15. During the light dependent reactions of photosynthesis - ____?
annual ring
auxillary
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
16. The layer of chlorenchyma cells oriented to capture optimum sunlight at the top of the leaf are the ____?
upper epidermal cells
transpiration
ovary
root hairs
17. Roots differ from stems in ___?
anther
all of the above are correct
pressure-flow hypothesis
fruit
18. This tissue (region) is present in monocot roots but absent in dicot roots?
phloem
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
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
19. Pressure that develops within a living cell as a result of water entering the cell is called ____?
tungor
rain
lose
pericarp
20. A conspicuous organelle at the light microscope level in cells of the palisade mesophyll would be ___?
rain
manganese
chloroplasts
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
21. The oxygen liberated by green plants during photosynthesis comes from ___?
stele
ovules
water molecules
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
22. Vessels are different from traechids because _____?
sweet potato
exocarp
lose
vessels conduct sugars - traechids conduct water
23. A primary function of traechids is ___?
water conduction
manganese
ovary
cassava
24. At present the most widely accepted theory for movement of substances in the phloem is called the ____?
pressure-flow hypothesis
sweet potato
annual ring
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
25. The skin of most fruits is technically the ___?
exocarp
parenchyma
3 carbon pathway
stele
26. The type of root system found in a dicot is a ___?
callyx/corolla
taproots
leave the cell
receptacle
27. The areas between the location of leaf attachments on the stem are called ___?
region of maturation
rhizomes
internodes
sweet potato
28. The discrete paches of xylem and phloem found in herbaceous dicot stems are called ____?
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
root hairs
potassium
vascular bundles
29. The longest wavelength of energy reaching the earth from the sun is ___?
pneumatophoves
all of the above are correct
rain
red light
30. Strawberries are an example of what kind of modified stem?
sweet potato
CHOPKNSCa
stolon/runner
pericarp
31. One year's growth of xylem in secondary wood is referred to as an ____?
axillary bud and leaf
it has node marks all over it where branches could grow off of.
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions
annual ring
32. Which of the following drugs are NOT obtained from leaves?
inferior
cortex
callyx/corolla
digitalis
33. Leaves and buds are attached to the stem at the ___?
node
leave the cell
potassium
having a special covering called the root cap
34. One year's growth of xylem in secondary wood is referred to as an _____?
annual ring
Irish potato
all of the above are correct
bulb
35. The major regions of a root tip are ____ - ___ - _____ and _____?
parenchyma
root cap - zone of elongation - maturation - division
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
pith
36. Which of the following is not a specialized stem?
auxillary
pericarp
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
sweet potato
37. Which cell types hav the primary function of photosynthesis?
chollenchyma
ovule
more stomata on the upper surface
ovule
38. The part of the root containing the vascular tissue?
oxygen
node
stele
high turgor pressure opens Kt-->0. low turgor pressure close 0
39. Name the 4 parts of aflower and briefly explain the process of double fertilization?
A - topsoil - grassland
CHOPKNSCa
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
pericarp
40. Which biome has the best 'A' horizon?
phloem
grasslands
enter
apical meristem
41. In a mature - woody dicot stem - the tissue between the xylem and the phloem is the ___?
stolon/runner
mycoorhizae
Irish (white) potato
vascular cambium
42. Specialized cells in the vascular tssue of a root responsible for initiating lateral root growth are _____ cells?
manganese
apical meristem
cortex
rain
43. Sugars produced in photosynthesis are loaded intothe ___ of the leaf?
axillary bud and leaf
phloem
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.
lose
44. When the calyx - corolla and stamen of a flower are attached at the top of the ovary - the ovary is said to be ___?
pith
ovule
inferior
guard cell and root hair
45. The discrete patches of xylem and phloem found in herbaceous dicot stems are called ___?
vascular bundles
tungor
fig
antenna pigments
46. Pressure that develops within a living cell as the result of water entering the cell is called ___?
stigma
vessels
turgor pressure
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
47. Which of the following would NOT be part of the stele?
pith
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions
receptacle
cortex
48. What 8 elements are classified as major/macro elements for plant development?
CHOPKNSCa
root hairs
it has node marks all over it where branches could grow off of.
vascular bundles
49. Cells produced by the vascular cambium include ___?
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
grows back every year
pollen:stigma
vessels conduct sugars - traechids conduct water
50. Which is a type of epidermal cell?
guard cell and root hair
node
vessel elements
compound - simple