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Test your basic knowledge |
Botany Basics
Start Test
Study First
Subject
:
science
Instructions:
Answer 50 questions in 15 minutes.
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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. An example of an aggregate fruit would be the ___?
pressure-flow hypothesis
strawberry
radicle
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
2. ____ is the stage of cellular respiration that takes place outside of the mitochondria?
pneumatophoves
tap - fiblous
glycolysis
dioecious; staminate
3. The discrete paches of xylem and phloem found in herbaceous dicot stems are called ____?
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
vascular bundles
cotyledon
modified stems
4. Cells produced by the vascular cambium include ___?
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
leave the cell
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions
5. Which of the following is a specialized root?
sweet potato
region of maturation
aerobic
pith
6. The part of the flower in which seeds are produced is the ___?
ovary
phelloderm
stele
stamen; anther
7. The ___ horizon - also referred to as ____ - is the most imp't agriculturally and deep layers of This is found in the ____ biome?
A - topsoil - grassland
CHOPKNSCa
axillary bud and leaf
vessels conduct sugars - traechids conduct water
8. Photosystem pigments that function in gathering and passing light energy to reaction-center molecules are called ___?
antenna pigments
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
guard cell and root hair
the presence of nodes and internodes
9. The layer of chlorenchyma cells oriented to capture optimum sunlight at the top of the leaf are the ____?
strawberry
stolon/runner
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
upper epidermal cells
10. A leaf with leaflets is classified as a ____ leaf while a leaf with a single blade is classified as a ____ leaf?
cassava
compound - simple
internode
pollen:stigma
11. If the concentration of solutes inside the plant cell is greater than the concentration on the outside - water will _____ the cell?
stigma
bulb
cellulose
enter
12. One year's growth of xylem in secondary wood is referred to as an ____?
node
annual ring
enter
lignin
13. Most of the water that enters a plant via the roots exits the same plant by the process of ____?
transpiration
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
receptacle
guard cell and root hair
14. A primary function of traechids is ___?
water conduction
cotyledon
ovule
sweet potato
15. Strawberries are an example of what kind of modified stem?
cotyledon
rain
cellulose
stolon/runner
16. The part of the flower where seeds are produced is called the ___?
pollen:stigma
desert
ovary
absorpion of minerals in solution
17. Which biome has the best 'A' horizon?
sweet potato
grasslands
fruit
vascular bundles
18. Plants whose leaves fall off at the end of the growing season are ___?
potassium
transpiration rates can decrease
deciduous
there could've been a high concentration of nutrients - such as salt - surounding the roots making it impossible for osmosis to occur
19. An advantage to tap roots is that they ____?
penetrate very deeply to underground water reservoirs
grasslands
eristems
fibrous
20. Ultmately - how is energy moved around and created in living things?
anther
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions
cassava
potassium
21. Roots differ from stems in ___?
all of the above are correct
penetrate very deeply to underground water reservoirs
plasmolysis
vessels conduct sugars - traechids conduct water
22. When humidity is low - ____ ?
vessels
apical meristem
terger
transpiration rates increase
23. The wood of cone bearing trees - softwoods - consists of primary traechids - while the wood of flowering trees - hardwoods - consists of traechids and ____?
vessels
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.
internodes
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
24. Explain the process by which plants get water from the soil into the leaves?
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 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
red light
transpiration
25. Which of the following drugs are NOT obtained from leaves?
digitalis
annual ring
NADPH
vascular bundles
26. Specialized cells in the vascular tssue of a root responsible for initiating lateral root growth are _____ cells?
rain
prickles
apical meristem
root cap - zone of elongation - maturation - division
27. This tissue (region) is present in monocot roots but absent in dicot roots?
receptacle
vascular bundles
transpiration rates can decrease
pith
28. Grasses - or monocots - are examples of plants with a ____ root system?
stamen; anther
fibrous
antenna pigments
all of the above are correct
29. The skin of most fruits is technically the ____?
phloem
exocarp
oxygen
false
30. Fruit forms from the ovary wall of a flower referred to a the ___?
parenchyma
pericarp
vascular cambium
concentration outside roots causes plant to lose h20
31. The ground tissue of monocots is composed of ___?
guard cells
anther
cotyledon
parenchyma
32. Which of the following is a specialized root for storage?
NADPH
bulb
guard cells
base of grass leaves
33. The final electron acceptor during the process of cellular respiration is ___?
oxygen
pith
antenna pigments
pneumatophoves
34. A uniovulate carpel would contain how many seed?
fig
1
stigma
it has node marks all over it where branches could grow off of.
35. Why is visible light good energy to use for photsynthesis?
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36. Pressure that develops within a living cell as a result of water entering the cell is called ____?
tungor
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
pericarp
having a special covering called the root cap
37. 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
into the cell
mycoorhizae
sclerenchyma
38. 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?
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.
annuals
vessels
taproots
39. 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
grasslands
endodermis
phelloderm
40. Which of the following is a critical part of a seed providing nutrition for the embryo?
transpiration rates decrease
pericarp
fibrous
cotyledon
41. In a mature - woody dicot stem - the tissue/cell type between the xylem and the phloem is the _____?
vascular cambria
bracts
penicilin
rhizomes
42. These 'showy' modified leaves are found at the base of flowers and usually draw attention to the smaller real flowers?
exocarp
conduction and absorption
bracts
stigma
43. Explain why a cucumber or tomato really should be referred to as a fruit?
into the cell
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
transpiration rates decrease
44. Differentiate between diffusion and osmosis?
diffusion is the movement of particles from high to low concentration; osmosis is movement of water from high to low concentration
deciduous
casperian strips
callyx/corolla
45. The longest wavelength of energy reaching the earth from the sun is ___?
more stomata on the upper surface
oxygen
the presence of nodes and internodes
red light
46. This tissue/region is present in monocot roots but absent in dicot roots?
pith
tungor
ovary
potassium
47. Because of greater light intensity and heat absorption on the upper surface of the leaf - the lower surface has ____?
rain
more stomata on the upper surface
ovary
ovary
48. Which of the following is a critical part of a seed providing nutrition for the embryo?
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
node
cotyledon
modified stems
49. The part of the flower in which seeds are produced is the ___?
pith
ovules
ovary
guard cells
50. Which of the following woud NOT be a part of the vasulcar stele?
internode
exocarp
rhizomes
cortex
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