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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
ovary
annuals
rhizomes
2. When humidity is high - ____?
penicilin
diffuse out
transpiration rates decrease
having a special covering called the root cap
3. Fruit forms from the ovary wall of a flower referred to a the ___?
pericarp
parenchyma
stamen; anther
high turgor pressure opens Kt-->0. low turgor pressure close 0
4. Because of greater light intensity and heat absorption on the upper surface of the leaf - the lower surface has ____?
endodermis
more stomata on the upper surface
guard cells
grows back every year
5. The part of the root containing the vascular tissue?
transpiration rates decrease
cotyledon
stele
grasslands
6. Which of the following woud NOT be a part of the vasulcar stele?
grasslands
transpiration
cortex
major elements vegetation requires for growth (macronutrients)
7. 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?
penetrate very deeply to underground water reservoirs
antenna pigments
bracts
concentration outside roots causes plant to lose h20
8. Lignin is found primarily in ___?
upper epidermal cells
sclerenchyma
imbition
root cap - zone of elongation - maturation - division
9. Water conducting cels that are open at either end include ___?
chloroplasts
taproots
vessel elements
leave the cell
10. A plant with flowers containing stamens but no carpels would be a ___ plant with ____ flowers?
all of the above are correct
stele
region of maturation
dioecious; staminate
11. Vessels are different from traechids because _____?
oxygen
CHOPKNSCa
vascular bundles
vessels conduct sugars - traechids conduct water
12. The parts of a flower that form male gametes are the ____?
transpiration
stamen; anther
concentration outside roots causes plant to lose h20
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
13. Wood cells are composed primarily of cellulose and ___?
fig
stele
axillary bud and leaf
lignin
14. Actively dividing cells can be found in ___?
eristems
prickles
3 carbon pathway
vascular cambria
15. Most of the water that enters a plant via the roots exits the same plant by the process of ____?
parenchyma
ovary
transpiration
vessels conduct sugars - traechids conduct water
16. The main 'job' of the root is ____?
NADPH
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
conduction and absorption
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
17. The space on a stem between where buds are attache and elongates is referred to as the ____?
ovary
phloem
internode
fruit
18. In which of the following are guard cells (that form stomata) not actively involved?
imbition
auxillary
apical meristem
transpiration rates increase
19. If the concentration of solutes inside the plant cell is greater than the concentration on the outside - water will _____ the cell?
antenna pigments
diffusion is the movement of particles from high to low concentration; osmosis is movement of water from high to low concentration
enter
cotyledon
20. Sugars produced in photosynthesis are loaded intothe ___ of the leaf?
3 carbon pathway
major elements vegetation requires for growth (macronutrients)
phloem
imbition
21. Explain how a guard cell opens and closes the stoma?
mitochondria - chemiosmosis
high turgor pressure opens Kt-->0. low turgor pressure close 0
bracts
transpiration
22. In a mature - woody dicot stem - the tissue between the xylem and phloem is the ____?
CHOPKNSCa
cambium
terger
pericarp
23. 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.
pith
sweet potato
fibrous
terger
24. Photosystem pigments that function in gathering and passing light energy to reaction-center molecules are called ___?
antenna pigments
vascular cambria
endodermis
superia
25. If the concentration of solutes outside the plant cell is greater than the concentration on the inside - water will _____?
cotyledon
diffuse out
imbibition
vessels conduct sugars - traechids conduct water
26. This tissue/region is present in monocot roots but absent in dicot roots?
eristems
axillary buds
phloem
pith
27. Flowers are usually attached to a special structure at the end of a stem or peduncle called a ___?
phloem
receptacle
tap - fiblous
transpiration
28. Strawberries are an example of what kind of modified stem?
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
penicilin
coconut
stolon/runner
29. Roots differ from stems in ___?
pericarp
fruit
coconut
all of the above are correct
30. Pollen adheres to a sticky portion of the flower called the ____?
region of maturation
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
stigma
loam
31. The fungi symbiotically associated with roots are called ___?
chloroplasts
mychorizea
axillary buds
ovary
32. Not a specialized leaf?
K
Irish (white) potato
stolon/runner
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
33. A leaf with leaflets is classified as a ____ leaf while a leaf with a single blade is classified as a ____ leaf?
compound - simple
annuals
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.
34. Why is an Irish/white potato classified as a modified stem?
transpiration rates increase
transpiration rates decrease
NADPH
it has node marks all over it where branches could grow off of.
35. This tissue (region) is present in monocot roots but absent in dicot roots?
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions
pith
pressure-flow hypothesis
sclerenchyma
36. Which of the following is a specialized root?
strawberry
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
sweet potato
terger
37. When the calyx - corolla and stamen of a flower are attached at the top of the ovary - the ovary is said to be ___?
guard cells
mitochondria - chemiosmosis
inferior
high turgor pressure opens Kt-->0. low turgor pressure close 0
38. The 'eyes' of the Irish potato are actually ___?
3 carbon pathway
auxillary
water molecules
root hairs
39. ____ is the stage of cellular respiration that takes place outside of the mitochondria?
vascular bundles
glycolysis
desert
compound - simple
40. Grasses - or monocots - are examples of plants with a ____ root system?
chollenchyma
vascular bundles
fibrous
cortex
41. Roots differ from stems in ___?
region of maturation
all of the above are correct
sweet potato
cambium
42. Most cacti are __________ where the stem is responsible for the photosynthetic processes in the plant?
inferior
grows back every year
strawberry
modified stems
43. A cactus is classified as a modified ____?
ovules
upper epidermal cells
stem
turgor pressure
44. Which biome has the best 'A' horizon?
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
stigma
grasslands
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
45. The Calvin cycle is sometimes referred to as the ___?
tap - fiblous
rain
parenchyma
3 carbon pathway
46. 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 ____?
apical meristem
rain
all of the above are correct
concentration outside roots causes plant to lose h20
47. The type of root system found in a dicot is a ___?
taproots
ovary
there could've been a high concentration of nutrients - such as salt - surounding the roots making it impossible for osmosis to occur
imbition
48. Which of the following cell types hs food conduction as a primary function?
phloem
auxillary
internode
inferior
49. Mitochondria are organelles responsible for ___?
Irish (white) potato
aerobic
transpiration rates increase
penetrate very deeply to underground water reservoirs
50. Which of the following is part of the embryo of the seed?
potassium
endodermis
tap - fiblous
radicle