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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. Explain how a guard cell opens and closes the stoma?
turgor pressure
receptacle
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
tap - fiblous
2. The part of the flower in which seeds are produced is the ___?
ovary
imbition
antenna pigments
lignin
3. Cells produced by the vascular cambium do NOT include ___?
all of the above are correct
parenchyma
water conduction
apical meristem
4. Stems differ from roots in ____?
penetrate very deeply to underground water reservoirs
desert
the presence of nodes and internodes
ovary
5. Sugars produced in photosynthesis are loaded intothe ___ of the leaf?
vessels
phloem
terger
digitalis
6. A plant placed in a beaker of salt water will ____?
lose
antenna pigments
digitalis
pith
7. Cells produced by the vascular cambium do NOT include ___?
phelloderm
internodes
cortex
sclerenchyma
8. The final electron acceptor during the process of cellular respiration is ___?
axillary bud
oxygen
vessels conduct sugars - traechids conduct water
all of the above are correct
9. The major regions of a root tip are ____ - ___ - _____ and _____?
pericarp
imbition
root cap - zone of elongation - maturation - division
pressure-flow hypothesis
10. When humidity is low - ____ ?
NADPH
transpiration rates increase
internode
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
11. Specialized epidermal cells that increase the surface area for absorption of water are ____?
sweet potato
grows back every year
root hairs
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
12. Not a specialized stem?
penicilin
bracts
cassava
potassium
13. Plants maintain a constant flow of water from the roots to the leaves through a process very critical to life on land called ____?
transpiration
Irish potato
deciduous
desert
14. Lignin is found primarily in ___?
bracts
sclerenchyma
prickles
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
15. The space on a stem between where buds are attache and elongates is referred to as the ____?
grasslands
internode
K
diffusion is the movement of particles from high to low concentration; osmosis is movement of water from high to low concentration
16. Which of the following woud NOT be a part of the vasulcar stele?
conduction and absorption
mycoorhizae
false
cortex
17. Explain why a cucumber or tomato really should be referred to as a fruit?
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
phloem
bracts
imbition
18. Why is an Irish/white potato classified as a modified stem?
vessels conduct sugars - traechids conduct water
it has node marks all over it where branches could grow off of.
plasmolysis
ovules
19. Which fruit or seed is dispersed by water?
coconut
all of the above are correct
vascular bundles
annuals
20. Horizontal stems that produce roots and shoots are ___?
vascular cambium
rhizomes
water conduction
cassava
21. In a mature - woody dicot stem - the tissue between the xylem and the phloem is the ___?
ovule
stele
penetrate very deeply to underground water reservoirs
vascular cambium
22. Horizontal stems that grow just below the surface of the soil are called ____?
taproots
manganese
into the cell
rhizomes
23. Grasses - or monocots - are examples of plants with a ____ root system?
pericarp
digitalis
fibrous
strawberry
24. Ultmately - how is energy moved around and created in living things?
diffusion is the movement of particles from high to low concentration; osmosis is movement of water from high to low concentration
axillary buds
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions
3 carbon pathway
25. A uniovulate carpel would contain how many seed?
the presence of nodes and internodes
stigma
1
all of the above are correct
26. The fleshy edible part of the strawberry is actually the ____?
manganese
false
pressure-flow hypothesis
pericarp
27. The part of the flower where seeds are produced is called the ___?
ovary
inferior
cassava
CHOPKNSCa
28. The part of the root containing the vascular tissue?
false
deciduous
absorpion of minerals in solution
stele
29. Cells produced by the vascular cambium include ___?
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
callyx/corolla
enter
cotyledon
30. The fungi symbiotically associated with roots are called ___?
conduction and absorption
receptacle
mychorizea
manganese
31. The parts of a flower that form male gametes are the ____?
ovule
stamen; anther
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
pith
32. Which of the following is a specialized root?
internode
water molecules
ovule
sweet potato
33. Fruit forms from the ovary wall of a flower referred to a the ___?
plasmolysis
pericarp
loam
internodes
34. The type of root system found in a dicot is a ___?
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
taproots
more stomata on the upper surface
potassium
35. The spines of cacti are specially adapted to perform 2 imp't functions for the plant - transpiration and photosynthesis. True or false?
node
mitochondria - chemiosmosis
false
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
36. Because of greater light intensity and heat absorption on the upper surface of the leaf - the lower surface has ____?
imbibition
more stomata on the upper surface
all of the above are correct
tungor
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?
sweet potato
aerobic
casperian strips
vascular bundles
38. 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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39. Which of the following is a root with a specialized function for food storage?
leave the cell
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
phelloderm
sweet potato
40. 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 ____?
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
mitochondria - chemiosmosis
transpiration rates can decrease
high turgor pressure opens Kt-->0. low turgor pressure close 0
41. The wood of cone bearing trees - softwoods - consists of primary traechids - while the wood of flowering trees - hardwoods - consists of traechids and ____?
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
transpiration
vessels
1
42. 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.
axillary bud
red light
grows back every year
43. The Calvin cycle is sometimes referred to as the ___?
ovules
vascular bundles
3 carbon pathway
dioecious; staminate
44. The layer of chlorenchyma cells oriented to capture optimum sunlight at the top of the leaf are the ____?
upper epidermal cells
lose
cortex
all of the above are correct
45. Which molecule is synthesized during the light reactions of photosynthesis by receiving electrons - becoming an eectron carrier molecule?
radicle
stolon/runner
inferior
NADPH
46. Which of the following cell types hs food conduction as a primary function?
mitochondria - chemiosmosis
there could've been a high concentration of nutrients - such as salt - surounding the roots making it impossible for osmosis to occur
phloem
transpiration
47. Which is a type of epidermal cell?
desert
guard cell and root hair
vessels
potassium
48. Flowering plants that complete their lie cycles in a single season are called ___?
inferior
vessels
annuals
prickles
49. Roots differ from stems in ___?
all of the above are correct
internodes
ovary
leave the cell
50. Why do most roots tend to die in soils that contain very high concentrations of salts (or fertilizer)?
ovary
pneumatophoves
transpiration rates increase
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