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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. The 'eyes' of the Irish potato are actually ___?
concentration outside roots causes plant to lose h20
transpiration
auxillary
transpiration rates can decrease
2. Cells produced by the vascular cambium do NOT include ___?
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
pneumatophoves
aerobic
parenchyma
3. Fungi which associate with roots to increase water absorption and mineral uptake are called ____?
bulb
mycoorhizae
guard cells
potassium
4. Differentiate between diffusion and osmosis?
callyx/corolla
horizon E
diffusion is the movement of particles from high to low concentration; osmosis is movement of water from high to low concentration
superia
5. When the calyx - Corolla - and stamens of a flower are attached at the top of the ovary - the ovary is said to be ____?
superia
cotyledon
having a special covering called the root cap
inferior
6. These 'showy' modified leaves are found at the base of flowers and usually draw attention to the smaller real flowers?
bracts
guard cell and root hair
sweet potato
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
7. A plant placed in a beaker of salt water will ____?
lose
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
node
8. 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
high turgor pressure opens Kt-->0. low turgor pressure close 0
major elements vegetation requires for growth (macronutrients)
imbibition
9. Not a specialized leaf?
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
rain
Irish (white) potato
into the cell
10. Explain photorespiration and how the enzyme rubisco plays a major role in that process during photosynthesis?
mycoorhizae
cortex
3 carbon pathway
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
11. One year's growth of xylem in secondary wood is referred to as an ____?
receptacle
pollen:stigma
false
annual ring
12. The fleshy edible part of the strawberry is actually the ____?
pericarp
callyx/corolla
rhizomes
sweet potato
13. Cells produced by the vascular cambium do NOT include ___?
transpiration rates can decrease
phelloderm
dioecious; staminate
K
14. Vessels are different from traechids because _____?
pith
plasmolysis
vessels conduct sugars - traechids conduct water
cambium
15. Water conducting cels that are open at either end include ___?
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
vessel elements
node
penetrate very deeply to underground water reservoirs
16. An advantage to tap roots is that they ____?
penetrate very deeply to underground water reservoirs
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
upper epidermal cells
cellulose
17. The part of the flower in which seeds are produced is the ___?
ovary
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
ovule
endodermis
18. The final electron acceptor during the process of cellular respiration is ___?
oxygen
imbition
parenchyma
coconut
19. 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 ____?
A - topsoil - grassland
rain
parenchyma
vessels
20. A conspicuous organelle at the light microscope level in cells of the palisade mesophyll would be ___?
casperian strips
plasmolysis
chloroplasts
inferior
21. The initial step in the germination of a seed is called ____?
imbibition
receptacle
prickles
apical meristem
22. Flowering plants that complete their lie cycles in a single season are called ___?
Irish (white) potato
annuals
callyx/corolla
phloem
23. The type of root system found in a dicot is a ___?
fruit
ovule
vascular bundles
taproots
24. Explain how a guard cell opens and closes the stoma?
tap - fiblous
dioecious; staminate
high turgor pressure opens Kt-->0. low turgor pressure close 0
transpiration rates increase
25. Leaves and buds are attached to the stem at the ___?
penetrate very deeply to underground water reservoirs
bracts
node
1
26. Which of the following cell types hs food conduction as a primary function?
phloem
stigma
tap - fiblous
cortex
27. An example of a multiple fruit would be the ___?
fig
red light
enter
K
28. This tissue (region) is present in monocot roots but absent in dicot roots?
plasmolysis
axillary bud and leaf
false
pith
29. The ovay wall of a ferilized flower usually develops into What is referred to as ____?
high turgor pressure opens Kt-->0. low turgor pressure close 0
fruit
ovary
annual ring
30. Leaves and buds are attached to the stem at the ___?
node
stigma
pith
prickles
31. The best soil for plant growth is ___?
inferior
node
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
loam
32. The major regions of a root tip are ____ - ___ - _____ and _____?
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
root cap - zone of elongation - maturation - division
phloem
prickles
33. Which biome has the best 'A' horizon?
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
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
glycolysis
grasslands
34. Wood cells are composed primarily of lignin and ____?
water conduction
penetrate very deeply to underground water reservoirs
parenchyma
cellulose
35. Which molecule is synthesized during the light reactions of photosynthesis by receiving electrons - becoming an eectron carrier molecule?
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
axillary bud and leaf
NADPH
exocarp
36. The 'eyes' of the Irish potato are actually ____?
pericarp
dioecious; staminate
axillary buds
ovary
37. The leaves of cacti are actually ____?
prickles
absorpion of minerals in solution
upper epidermal cells
stigma
38. A uniovulate carpel would contain how many seed?
absorpion of minerals in solution
stele
root hairs
1
39. Which of the following is a specialized leaf?
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
inferior
40. The spines of cacti are specially adapted to perform 2 imp't functions for the plant - transpiration and photosynthesis. True or false?
false
more stomata on the upper surface
inferior
it has node marks all over it where branches could grow off of.
41. Pollen adheres to a sticky portion of the flower called the ___?
axillary buds
sweet potato
stigma
node
42. Photosystem pigments that function in gathering and passing light energy to reaction-center molecules are called ___?
antenna pigments
vessels conduct sugars - traechids conduct water
tungor
K
43. A leaf with leaflets is classified as a ____ leaf while a leaf with a single blade is classified as a ____ leaf?
chollenchyma
lose
base of grass leaves
compound - simple
44. Specialized epidermal cells that increase the surface area for absorption of water are ____?
base of grass leaves
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
root hairs
mychorizea
45. Name the 4 parts of aflower and briefly explain the process of double fertilization?
prickles
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
ovary
stigma
46. Pollen is produced in the ____ of a flower?
stigma
vascular bundles
anther
red light
47. What obvious characteristic does a deciduous plant exhibit?
exocarp
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
stigma
grows back every year
48. Grasses - or monocots - are examples of plants with a ____ root system?
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
desert
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
fibrous
49. 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.
turgor pressure
water molecules
terger
strawberry
50. When the calyx - corolla - and stamen of a flower appear to be attached at the top of the ovary - the ovary is said to be ____?
root cap - zone of elongation - maturation - division
inferior
annuals
pith