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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 cell types hs food conduction as a primary function?
superia
lignin
penetrate very deeply to underground water reservoirs
phloem
2. Specialized cells in the vascular tssue of a root responsible for initiating lateral root growth are _____ cells?
fig
there could've been a high concentration of nutrients - such as salt - surounding the roots making it impossible for osmosis to occur
apical meristem
vascular cambria
3. Pressure that develops within a living cell as the result of water entering the cell is called ___?
inferior
eristems
anther
turgor pressure
4. Why do most roots tend to die in soils that contain very high concentrations of salts (or fertilizer)?
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
lignin
transpiration
transpiration rates can decrease
5. During the light dependent reactions of photosynthesis - ____?
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
cotyledon
region of maturation
annuals
6. Leaves and buds are attached to the stem at the ___?
exocarp
potassium
node
inferior
7. Not a specialized stem?
major elements vegetation requires for growth (macronutrients)
transpiration
inferior
cassava
8. The skin of most fruits is technically the ___?
chloroplasts
node
exocarp
lignin
9. The spines of cacti are specially adapted to perform 2 imp't functions for the plant - transpiration and photosynthesis. True or false?
all of the above are correct
vessel elements
false
vascular cambria
10. Most of the flesh of pomes comes from the __?
strawberry
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.
internode
receptacle
11. Not a specialized leaf?
high turgor pressure opens Kt-->0. low turgor pressure close 0
manganese
Irish potato
tap - fiblous
12. Wood cells are composed primarily of cellulose and ___?
lignin
mycoorhizae
penicilin
annuals
13. When humidity is high - ____?
transpiration rates decrease
cotyledon
vascular cambria
pericarp
14. Which molecule is synthesized during the light reactions of photosynthesis by receiving electrons - becoming an eectron carrier molecule?
stigma
annual ring
anther
NADPH
15. Which of the following drugs are NOT obtained from leaves?
annual ring
chollenchyma
cortex
digitalis
16. Fruit forms from the ovary wall of a flower referred to a the ___?
pollen:stigma
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
more stomata on the upper surface
pericarp
17. A primary function of traechids is ___?
water conduction
antenna pigments
enter
absorpion of minerals in solution
18. Flowering plants that complete their lie cycles in a single season are called ___?
sweet potato
annuals
fruit
guard cell and root hair
19. If the concentration of solutes inside the plant cell is greater than the concentration on the outside - water will _____ the cell?
enter
transpiration rates increase
chollenchyma
ovary
20. A conspicuous organelle at the light microscope level in cells of the palisade mesophyll would be ___?
into the cell
pressure-flow hypothesis
chloroplasts
deciduous
21. These 'showy' modified leaves are found at the base of flowers and usually draw attention to the smaller real flowers?
oxygen
mitochondria - chemiosmosis
bracts
vascular cambria
22. The osmotic response of guard cells is governed by ____ levels in the guard cells?
enter
into the cell
potassium
base of grass leaves
23. Ultmately - how is energy moved around and created in living things?
vascular cambria
auxillary
lose
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions
24. One year's growth of xylem in secondary wood is referred to as an _____?
the presence of nodes and internodes
annual ring
transpiration rates increase
axillary bud
25. Lignin is found primarily in ___?
transpiration
red light
sclerenchyma
major elements vegetation requires for growth (macronutrients)
26. An example of a multiple fruit would be the ___?
mychorizea
fig
coconut
pneumatophoves
27. Which of the following is not a specialized stem?
vascular bundles
sweet potato
ovule
callyx/corolla
28. Pollen is produced in the ____ of a flower?
false
vessels
anther
mycoorhizae
29. 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?
water conduction
casperian strips
root hairs
potassium
30. Which of the following is a micronutrient in terms of a plant's mineral requirements for growth?
stem
callyx/corolla
receptacle
manganese
31. Specialized epidermal cells that increase the surface area for absorption of water are ____?
bracts
terger
sweet potato
root hairs
32. The parts of a flower that form male gametes are the ____?
stamen; anther
transpiration
transpiration
parenchyma
33. Mitochondria are organelles responsible for ___?
bulb
aerobic
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions
stem
34. Why is an Irish/white potato classified as a modified stem?
all of the above are correct
the presence of nodes and internodes
cortex
it has node marks all over it where branches could grow off of.
35. The dermal tissues of leaves have wha specialized cells to regulate gas exchange?
guard cell and root hair
guard cells
annual ring
red light
36. Roots differ from stems in ___?
pollen:stigma
all of the above are correct
stolon/runner
antenna pigments
37. The Calvin cycle is sometimes referred to as the ___?
high turgor pressure opens Kt-->0. low turgor pressure close 0
3 carbon pathway
inferior
into the cell
38. Which of the following is a specialized leaf?
grasslands
root hairs
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
39. A plant placed in a beaker of salt water will ____?
lose
bulb
all of the above are correct
dioecious; staminate
40. In a mature - woody dicot stem - the tissue between the xylem and phloem is the ____?
endodermis
The cambium is a ring of undifferentiated cells. Once a cell moves to the outside of the cambium it becomes phloem. When the cells move into the inside of the cambium - the cells become xylem. Xylem cells die - harden and begin expanding with fresh x
transpiration
cambium
41. Which fruit or seed is dispersed by water?
coconut
guard cell and root hair
sweet potato
eristems
42. Which of the following is a specialized root for storage?
antenna pigments
exocarp
tungor
bulb
43. The part of the flower in which seeds are produced is the ___?
axillary buds
phloem
ovary
chollenchyma
44. 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
it has node marks all over it where branches could grow off of.
phelloderm
pollen:stigma
45. Actively dividing cells can be found in ___?
eristems
receptacle
tap - fiblous
guard cell and root hair
46. If the concentration of solutes outside the plant cell is greater than the concentration on the inside - water will _____?
diffuse out
stamen; anther
Irish (white) potato
casperian strips
47. What obvious characteristic does a deciduous plant exhibit?
grows back every year
bracts
node
ovule
48. The space on a stem between where buds are attache and elongates is referred to as the ____?
it has node marks all over it where branches could grow off of.
leave the cell
internode
vessel elements
49. Which pair goes along with pollination?
stigma
pollen:stigma
A - topsoil - grassland
K
50. Because of greater light intensity and heat absorption on the upper surface of the leaf - the lower surface has ____?
major elements vegetation requires for growth (macronutrients)
taproots
more stomata on the upper surface
potassium