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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. This structure in the ovary of a flower is responsible for producing a seed?
ovule
desert
aerobic
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
2. Which of the following is a root with a specialized function for food storage?
mitochondria - chemiosmosis
sweet potato
fig
imbibition
3. The osmotic response of guard cells is governed by the ___ levels in the guard cells?
cellulose
turgor pressure
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
potassium
4. The layer of chlorenchyma cells oriented to capture optimum sunlight at the top of the leaf are the ____?
absorpion of minerals in solution
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
upper epidermal cells
inferior
5. The part of the root containing the vascular tissue?
red light
stele
potassium
transpiration rates decrease
6. Lignin is found primarily in ___?
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
Irish potato
prickles
sclerenchyma
7. One year's growth of xylem in secondary wood is referred to as an ____?
CHOPKNSCa
fibrous
annual ring
taproots
8. Horizontal stems that produce roots and shoots are ___?
mychorizea
pneumatophoves
node
rhizomes
9. A plant placed in a beaker of salt water will ____?
rhizomes
fig
lose
guard cells
10. Photosystem pigments that function in gathering and passing light energy to reaction-center molecules are called ___?
penetrate very deeply to underground water reservoirs
pneumatophoves
antenna pigments
internode
11. What obvious characteristic does a deciduous plant exhibit?
grows back every year
penetrate very deeply to underground water reservoirs
CHOPKNSCa
cambium
12. Horizontal stems that grow just below the surface of the soil are called ____?
rhizomes
stigma
chloroplasts
transpiration
13. Pressure that develops within a living cell as the result of water entering the cell is called ___?
vascular cambria
sclerenchyma
cotyledon
turgor pressure
14. What 8 elements are classified as major/macro elements for plant development?
CHOPKNSCa
all of the above are correct
1
transpiration rates can decrease
15. Explain how a guard cell opens and closes the stoma?
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
horizon E
inferior
transpiration
16. Fungi which associate with roots to increase water absorption and mineral uptake are called ____?
node
mycoorhizae
parenchyma
phelloderm
17. Most of the water that enters a plant via the roots exits the same plant by the process of ____?
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
A - topsoil - grassland
absorpion of minerals in solution
18. Leaves and buds are attached to the stem at the ___?
node
loam
pneumatophoves
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
19. Strawberries are an example of what kind of modified stem?
vessels
parenchyma
oxygen
stolon/runner
20. ___ roots of dicots penetrate very deeply to underground water while ____ roots of monocots remain close to the surfae and facilitate rapid absorption of surface water?
rain
mitochondria - chemiosmosis
enter
tap - fiblous
21. Roots differ from stems in ___?
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
all of the above are correct
cassava
22. 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
inferior
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
prickles
23. When humidity is low - ___?
pericarp
transpiration rates can decrease
all of the above are correct
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
24. The Calvin cycle is sometimes referred to as the ___?
phloem
vascular cambium
3 carbon pathway
internode
25. When humidity is low - ____ ?
digitalis
K
transpiration rates increase
stigma
26. If the concentration of solutes inside the plant cell is grater than the concentration on the outside - water will move ___?
there could've been a high concentration of nutrients - such as salt - surounding the roots making it impossible for osmosis to occur
inferior
all of the above are correct
into the cell
27. An advantage to tap roots is that they ____?
phelloderm
penetrate very deeply to underground water reservoirs
potassium
manganese
28. An example of an aggregate fruit would be the ___?
strawberry
cellulose
dioecious; staminate
vessel elements
29. Roots differ from stems in ___?
glycolysis
vascular bundles
all of the above are correct
imbition
30. The part of the flower in which seeds are produced is the ___?
ovary
internode
having a special covering called the root cap
vascular bundles
31. Cells produced by the vascular cambium do NOT include ___?
A - topsoil - grassland
sweet potato
grows back every year
parenchyma
32. The fleshy edible part of the strawberry is actually the ____?
major elements vegetation requires for growth (macronutrients)
pericarp
more stomata on the upper surface
cortex
33. In a mature - woody dicot stem - the tissue/cell type between the xylem and the phloem is the _____?
vascular cambria
major elements vegetation requires for growth (macronutrients)
annuals
stolon/runner
34. Grasses - or monocots - are examples of plants with a ____ root system?
axillary bud
water molecules
fibrous
Irish potato
35. In which of the following are guard cells (that form stomata) not actively involved?
imbition
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
high turgor pressure opens Kt-->0. low turgor pressure close 0
internodes
36. Explain how a guard cell opens and closes the stoma?
diffusion is the movement of particles from high to low concentration; osmosis is movement of water from high to low concentration
high turgor pressure opens Kt-->0. low turgor pressure close 0
potassium
guard cell and root hair
37. Which of the following is a specialized leaf?
stolon/runner
water conduction
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
NADPH
38. ____ is the stage of cellular respiration that takes place outside of the mitochondria?
glycolysis
sweet potato
internode
grasslands
39. 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?
root hairs
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.
leave the cell
exocarp
40. The wood of cone bearing trees - softwoods - consists of primary traechids - while the wood of flowering trees - hardwoods - consists of traechids and ____?
deciduous
mychorizea
vessels
eristems
41. A conspicuous organelle at the light microscope level in cells of the palisade mesophyll would be ___?
chloroplasts
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.
sweet potato
vessels
42. Which molecule is synthesized during the light reactions of photosynthesis by receiving electrons - becoming an eectron carrier molecule?
stele
internode
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
NADPH
43. Fruit forms from the ovary wall of a flower referred to a the ___?
glycolysis
pericarp
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
eristems
44. The fungi symbiotically associated with roots are called ___?
mychorizea
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.
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
imbition
45. The ovay wall of a ferilized flower usually develops into What is referred to as ____?
Irish (white) potato
fruit
internode
annual ring
46. Sugars produced in photosynthesis are loaded intothe ___ of the leaf?
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
fibrous
phloem
manganese
47. The major regions of a root tip are ____ - ___ - _____ and _____?
root cap - zone of elongation - maturation - division
desert
stolon/runner
rhizomes
48. The part of the flower in which seeds are produced is the ___?
potassium
grows back every year
ovary
vascular cambria
49. The oxygen liberated by green plants during photosynthesis comes from ___?
region of maturation
water molecules
cellulose
root hairs
50. If the concentration of solutes/salts outside the plant cell is greater than the concentration on the inside - water will ____?
mitochondria - chemiosmosis
casperian strips
leave the cell
vascular cambria