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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. Which of the following would NOT be part of the stele?
cortex
all of the above are correct
parenchyma
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
2. The wood of cone bearing trees - softwoods - consists of primary traechids - while the wood of flowering trees - hardwoods - consists of traechids and ____?
ovary
chollenchyma
vessels
mitochondria - chemiosmosis
3. The oxygen liberated by green plants during photosynthesis comes from ___?
exocarp
1
water molecules
root hairs
4. The 'eyes' of the Irish potato are actually ___?
auxillary
sweet potato
vessel elements
ovary
5. When a plant is fully saturated with water it is said to be high in ___ pressure wheras if it is low in water the plant is said to be flacid.
more stomata on the upper surface
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
tungor
terger
6. The major regions of a root tip are ____ - ___ - _____ and _____?
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
mycoorhizae
root cap - zone of elongation - maturation - division
cortex
7. Wood cells are composed primarily of lignin and ____?
vascular cambria
vascular bundles
axillary bud and leaf
cellulose
8. One year's growth of xylem in secondary wood is referred to as an _____?
A - topsoil - grassland
lignin
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
annual ring
9. The final electron acceptor during the process of cellular respiration is ___?
oxygen
vascular cambria
region of maturation
vessels conduct sugars - traechids conduct water
10. In a mature - woody dicot stem - the tissue between the xylem and the phloem is the ___?
tungor
vascular cambium
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
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
11. Which fruit or seed is dispersed by water?
false
all of the above are correct
desert
coconut
12. Fungi which associate with roots to increase water absorption and mineral uptake are called ____?
mitochondria - chemiosmosis
pith
mycoorhizae
enter
13. The osmotic response of guard cells is governed by ____ levels in the guard cells?
root hairs
potassium
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.
14. The 'eyes' of the Irish potato are actually ____?
axillary buds
phelloderm
Irish potato
upper epidermal cells
15. 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?
stigma
vascular bundles
imbibition
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.
16. Pressure that develops within a living cell as the result of water entering the cell is called ___?
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
aerobic
turgor pressure
pith
17. Not a specialized leaf?
modified stems
stolon/runner
Irish potato
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
18. In which region would an ntercalary meristem be found?
superia
base of grass leaves
loam
lignin
19. The parts of a flower that form male gametes are the ____?
the presence of nodes and internodes
fruit
stamen; anther
cortex
20. The layer of chlorenchyma cells oriented to capture optimum sunlight at the top of the leaf are the ____?
A - topsoil - grassland
cotyledon
root hairs
upper epidermal cells
21. Specialized epidermal cells that increase the surface area for absorption of water are ____?
high turgor pressure opens Kt-->0. low turgor pressure close 0
cassava
root hairs
vessels
22. Which of the following is a critical part of a seed providing nutrition for the embryo?
cortex
endodermis
cotyledon
internodes
23. The leaves of cacti are actually ____?
prickles
cambium
oxygen
internode
24. This cell type is important in monocot and dicot roots by helping to regulate what gets into the ___?
aerobic
phloem
endodermis
K
25. Horizontal stems that produce roots and shoots are ___?
rhizomes
ovule
prickles
region of maturation
26. The discrete paches of xylem and phloem found in herbaceous dicot stems are called ____?
region of maturation
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions
superia
vascular bundles
27. What is attached at the node?
glycolysis
root hairs
cotyledon
axillary bud and leaf
28. If the concentration of solutes outside the plant cell is greater than the concentration on the inside - water will _____?
all of the above are correct
diffuse out
base of grass leaves
stem
29. Explain why a cucumber or tomato really should be referred to as a fruit?
pith
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
transpiration rates increase
sclerenchyma
30. Which of the following drugs is NOT obtained from leaves?
transpiration
pressure-flow hypothesis
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
penicilin
31. The ground tissue of monocots is composed of ___?
axillary buds
vascular bundles
glycolysis
parenchyma
32. Roots differ from stems in ___?
ovary
pneumatophoves
all of the above are correct
inferior
33. Leaves and buds are attached to the stem at the ___?
desert
mitochondria - chemiosmosis
node
diffusion is the movement of particles from high to low concentration; osmosis is movement of water from high to low concentration
34. Actively dividing cells can be found in ___?
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
imbition
eristems
into the cell
35. In a mature - woody dicot stem - the tissue/cell type between the xylem and the phloem is the _____?
CHOPKNSCa
vascular cambria
Irish potato
rhizomes
36. The part of the flower that eventually become seeds are the ___?
stem
ovule
horizon E
mitochondria - chemiosmosis
37. When humidity is low - ___?
internode
transpiration rates can decrease
fibrous
inferior
38. Which of the following cell types hs food conduction as a primary function?
mychorizea
phloem
cellulose
node
39. The space between the nodes of a stem is called the _____?
water conduction
imbition
penicilin
internode
40. Which biome has the worst 'A' horizon?
pneumatophoves
endodermis
desert
compound - simple
41. Pressure that develops within a living cell as a result of water entering the cell is called ____?
tungor
1
transpiration
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
42. The discrete patches of xylem and phloem found in herbaceous dicot stems are called ___?
vascular bundles
all of the above are correct
stem
chloroplasts
43. This structure in the ovary of a flower is responsible for producing a seed?
loam
potassium
ovule
vascular bundles
44. Which biome has the best 'A' horizon?
region of maturation
sclerenchyma
grasslands
chloroplasts
45. The space on a stem between where buds are attache and elongates is referred to as the ____?
K
internode
rhizomes
deciduous
46. Most of the flesh of pomes comes from the __?
receptacle
penicilin
Irish potato
there could've been a high concentration of nutrients - such as salt - surounding the roots making it impossible for osmosis to occur
47. The part of the flower in which seeds are produced is the ___?
ovary
desert
vessels
into the cell
48. Stoma are regulated by guard cells which swell or shrink due to movement of this specific ion in the stomata?
K
manganese
potassium
exocarp
49. The ___ horizon - also referred to as ____ - is the most imp't agriculturally and deep layers of This is found in the ____ biome?
more stomata on the upper surface
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
A - topsoil - grassland
phloem
50. Which of the following is a micronutrient in terms of a plant's mineral requirements for growth?
major elements vegetation requires for growth (macronutrients)
mychorizea
dioecious; staminate
manganese