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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. In which of the following are guard cells (that form stomata) not actively involved?
transpiration
chollenchyma
imbition
transpiration rates can decrease
2. Which of the following is part of the embryo of the seed?
apical meristem
sweet potato
phelloderm
radicle
3. A plant with flowers containing stamens but no carpels would be a ___ plant with ____ flowers?
fibrous
high turgor pressure opens Kt-->0. low turgor pressure close 0
stigma
dioecious; staminate
4. This cell type is important in monocot and dicot roots by helping to regulate what gets into the ___?
cotyledon
eristems
cortex
endodermis
5. When the calyx - Corolla - and stamens of a flower are attached at the top of the ovary - the ovary is said to be ____?
guard cells
bracts
diffuse out
inferior
6. Which is a type of epidermal cell?
guard cell and root hair
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
concentration outside roots causes plant to lose h20
axillary bud
7. If the concentration of solutes inside the plant cell is grater than the concentration on the outside - water will move ___?
1
sweet potato
bracts
into the cell
8. When humidity is low - ____ ?
guard cells
transpiration rates increase
all of the above are correct
chollenchyma
9. The areas between the location of leaf attachments on the stem are called ___?
chollenchyma
receptacle
bracts
internodes
10. Specialized cells in the vascular tssue of a root responsible for initiating lateral root growth are _____ cells?
fig
diffuse out
apical meristem
A - topsoil - grassland
11. The Calvin cycle is sometimes referred to as the ___?
ovules
phloem
into the cell
3 carbon pathway
12. Pollen adheres to a sticky portion of the flower called the ___?
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.
ovule
vascular bundles
stigma
13. The fungi symbiotically associated with roots are called ___?
inferior
pith
mychorizea
receptacle
14. Leaves and buds are attached to the stem at the ___?
exocarp
dioecious; staminate
node
pith
15. During the light dependent reactions of photosynthesis - ____?
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
grows back every year
parenchyma
exocarp
16. Pollen is produced in the ____ of a flower?
anther
deciduous
fruit
transpiration rates can decrease
17. The main 'job' of the root is ____?
phloem
axillary buds
internode
conduction and absorption
18. Specialized epidermal cells that increase the surface area for absorption of water are ____?
root hairs
rhizomes
grows back every year
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. Water conducting cels that are open at either end include ___?
vessel elements
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
base of grass leaves
concentration outside roots causes plant to lose h20
20. Which of the following drugs is NOT obtained from leaves?
A - topsoil - grassland
penicilin
CHOPKNSCa
stigma
21. Vessels are different from traechids because _____?
chloroplasts
vessels conduct sugars - traechids conduct water
grasslands
water conduction
22. Which fruit or seed is dispersed by water?
ovary
coconut
axillary bud and leaf
grasslands
23. Which of the following is a specialized root?
antenna pigments
fig
sweet potato
CHOPKNSCa
24. Most cacti are __________ where the stem is responsible for the photosynthetic processes in the plant?
inferior
into the cell
auxillary
modified stems
25. In a mature - woody dicot stem - the tissue between the xylem and the phloem is the ___?
vascular cambium
into the cell
all of the above are correct
modified stems
26. An advantage to tap roots is that they ____?
coconut
desert
penetrate very deeply to underground water reservoirs
strawberry
27. 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?
concentration outside roots causes plant to lose h20
guard cells
Irish potato
ovary
28. A uniovulate carpel would contain how many seed?
1
potassium
major elements vegetation requires for growth (macronutrients)
vascular bundles
29. Pressure that develops within a living cell as a result of water entering the cell is called ____?
digitalis
tungor
horizon E
diffuse out
30. What 8 elements are classified as major/macro elements for plant development?
CHOPKNSCa
lose
loam
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
31. Pressure that develops within a living cell as the result of water entering the cell is called ___?
vascular bundles
turgor pressure
sweet potato
mitochondria - chemiosmosis
32. 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?
33. If the concentration of solutes inside the plant cell is greater than the concentration on the outside - water will _____ the cell?
superia
enter
digitalis
cassava
34. The discrete paches of xylem and phloem found in herbaceous dicot stems are called ____?
stigma
glycolysis
vascular bundles
absorpion of minerals in solution
35. The wood of cone bearing trees - softwoods - consists of primary traechids - while the wood of flowering trees - hardwoods - consists of traechids and ____?
vessels
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
turgor pressure
ovary
36. Which of the following is a critical part of a seed providing nutrition for the embryo?
vessels conduct sugars - traechids conduct water
receptacle
cotyledon
cambium
37. Specialized roots that permit plants growing in water to facilitate
transpiration
potassium
pneumatophoves
leave the cell
38. Photosystem pigments that function in gathering and passing light energy to reaction-center molecules are called ___?
imbition
stele
antenna pigments
cassava
39. The part of the flower that eventually become seeds are the ___?
3 carbon pathway
ovary
antenna pigments
ovule
40. 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?
transpiration rates can decrease
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.
modified stems
cortex
41. Which molecule is synthesized during the light reactions of photosynthesis by receiving electrons - becoming an eectron carrier molecule?
penicilin
radicle
Irish potato
NADPH
42. Why do most roots tend to die in soils that contain very high concentrations of salts (or fertilizer)?
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
vessels
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
ovule
43. This structure in the ovary of a flower is responsible for producing a seed?
annuals
ovule
stigma
superia
44. The discrete patches 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
bulb
vascular bundles
superia
45. Which cell type is responsible for transporting sugars in a plant?
vascular bundles
phloem
chloroplasts
all of the above are correct
46. Not a specialized leaf?
Irish potato
radicle
pressure-flow hypothesis
exocarp
47. Which of the following is a critical part of a seed providing nutrition for the embryo?
rain
pith
cotyledon
terger
48. Horizontal stems that produce roots and shoots are ___?
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
pith
rhizomes
enter
49. One year's growth of xylem in secondary wood is referred to as an ____?
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
vessels
prickles
annual ring
50. Ultmately - how is energy moved around and created in living things?
cortex
plasmolysis
deciduous
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions