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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. Because of greater light intensity and heat absorption on the upper surface of the leaf - the lower surface has ____?
more stomata on the upper surface
bracts
exocarp
taproots
2. A plant placed in a beaker of salt water will ____?
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
more stomata on the upper surface
tungor
lose
3. One year's growth of xylem in secondary wood is referred to as an ____?
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.
annual ring
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
potassium
4. Most of the flesh of pomes comes from the ____?
lose
water conduction
annual ring
callyx/corolla
5. This tissue (region) is present in monocot roots but absent in dicot roots?
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
pith
cotyledon
apical meristem
6. In which region would an ntercalary meristem be found?
cotyledon
lignin
base of grass leaves
red light
7. Sugars produced in photosynthesis are loaded intothe ___ of the leaf?
pollen:stigma
pressure-flow hypothesis
phloem
conduction and absorption
8. Pressure that develops within a living cell as a result of water entering the cell is called ____?
tungor
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
conduction and absorption
base of grass leaves
9. In which of the following are guard cells (that form stomata) not actively involved?
imbition
Irish (white) potato
modified stems
stem
10. Flowers are usually attached to a special structure at the end of a stem or peduncle called a ___?
exocarp
deciduous
diffuse out
receptacle
11. When humidity is low - ___?
the presence of nodes and internodes
transpiration rates can decrease
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions
stamen; anther
12. If the concentration of solutes/salts outside the plant cell is greater than the concentration on the inside - water will ____?
vessels conduct sugars - traechids conduct water
potassium
leave the cell
pith
13. Specialized cells in the vascular tssue of a root responsible for initiating lateral root growth are _____ cells?
apical meristem
eristems
base of grass leaves
vessel elements
14. Actively dividing cells can be found in ___?
ovary
stem
A - topsoil - grassland
eristems
15. Which of the following would NOT be part of the stele?
guard cells
conduction and absorption
it has node marks all over it where branches could grow off of.
cortex
16. A cactus is classified as a modified ____?
superia
stem
axillary buds
digitalis
17. Photosystem pigments that function in gathering and passing light energy to reaction-center molecules are called ___?
mychorizea
vessels
it has node marks all over it where branches could grow off of.
antenna pigments
18. 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?
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
fruit
deciduous
casperian strips
19. When the calyx - corolla - and stamen of a flower are attached below the overy - the ovary is said to be ___?
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.
false
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
superia
20. Most of the water that enters a plant via the roots exits the same plant by the process of ____?
transpiration rates increase
pith
transpiration
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.
21. Which fruit or seed is dispersed by water?
chollenchyma
coconut
pith
NADPH
22. Plants whose leaves fall off at the end of the growing season are ___?
apical meristem
vascular bundles
Irish (white) potato
deciduous
23. Which of the following is a micronutrient in terms of a plant's mineral requirements for growth?
parenchyma
modified stems
tap - fiblous
manganese
24. Pollen is produced in the ____ of a flower?
casperian strips
anther
manganese
internode
25. Leaves and buds are attached to the stem at the ___?
vessels conduct sugars - traechids conduct water
imbibition
node
phloem
26. 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?
casperian strips
turgor pressure
ovary
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.
27. A leaf with leaflets is classified as a ____ leaf while a leaf with a single blade is classified as a ____ leaf?
sclerenchyma
axillary buds
cortex
compound - simple
28. 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?
vascular bundles
concentration outside roots causes plant to lose h20
having a special covering called the root cap
water conduction
29. The ___ horizon - also referred to as ____ - is the most imp't agriculturally and deep layers of This is found in the ____ biome?
desert
A - topsoil - grassland
receptacle
inferior
30. An advantage to tap roots is that they ____?
taproots
penetrate very deeply to underground water reservoirs
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
root hairs
31. What 8 elements are classified as major/macro elements for plant development?
aerobic
sclerenchyma
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
CHOPKNSCa
32. Which of the following woud NOT be a part of the vasulcar stele?
cortex
phloem
region of maturation
transpiration rates can decrease
33. 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 ____?
mitochondria - chemiosmosis
internode
mycoorhizae
node
34. In a mature - woody dicot stem - the tissue/cell type between the xylem and the phloem is the _____?
cortex
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
vascular cambria
annuals
35. The osmotic response of guard cells is governed by ____ levels in the guard cells?
base of grass leaves
guard cell and root hair
potassium
dioecious; staminate
36. The part of the flower in which seeds are produced is the ___?
annuals
transpiration rates decrease
ovary
penicilin
37. Which cell type is responsible for transporting sugars in a plant?
phloem
transpiration rates decrease
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
transpiration
38. 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.
terger
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
into the cell
vascular cambria
39. Which of the following is a critical part of a seed providing nutrition for the embryo?
cotyledon
cortex
eristems
annual ring
40. The part of the flower that eventually become seeds are the ____?
ovules
diffuse out
stem
transpiration rates decrease
41. These 'showy' modified leaves are found at the base of flowers and usually draw attention to the smaller real flowers?
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
bracts
inferior
42. Stoma are regulated by guard cells which swell or shrink due to movement of this specific ion in the stomata?
rain
K
exocarp
superia
43. The osmotic response of guard cells is governed by the ___ levels in the guard cells?
modified stems
taproots
potassium
radicle
44. Grasses - or monocots - are examples of plants with a ____ root system?
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
fibrous
3 carbon pathway
concentration outside roots causes plant to lose h20
45. Horizontal stems that grow just below the surface of the soil are called ____?
inferior
rhizomes
cellulose
K
46. 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
taproots
vessels conduct sugars - traechids conduct water
cortex
47. Which molecule is synthesized during the light reactions of photosynthesis by receiving electrons - becoming an eectron carrier molecule?
plasmolysis
stigma
NADPH
cortex
48. The wood of cone bearing trees - softwoods - consists of primary traechids - while the wood of flowering trees - hardwoods - consists of traechids and ____?
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
vessels
digitalis
all of the above are correct
49. Briefly describe the development of vascular tissu by the lateral/vascular cambium of a stem and how that results in the production of wood?
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
Irish potato
axillary bud
transpiration rates decrease
50. Which of the following is a specialized root?
apical meristem
A - topsoil - grassland
imbibition
sweet potato