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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 a mature - woody dicot stem - the tissue/cell type between the xylem and the phloem is the _____?
transpiration rates increase
transpiration
vascular cambria
receptacle
2. The fleshy edible part of the strawberry is actually the ____?
fibrous
stolon/runner
the presence of nodes and internodes
pericarp
3. Why is an Irish/white potato classified as a modified stem?
penetrate very deeply to underground water reservoirs
it has node marks all over it where branches could grow off of.
diffusion is the movement of particles from high to low concentration; osmosis is movement of water from high to low concentration
region of maturation
4. The discrete patches of xylem and phloem found in monocot stems are called ____?
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
vascular bundles
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
sweet potato
5. Pollen adheres to a sticky portion of the flower called the ___?
casperian strips
parenchyma
stigma
false
6. ___ 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?
enter
annual ring
vascular cambium
tap - fiblous
7. Explain how a guard cell opens and closes the stoma?
high turgor pressure opens Kt-->0. low turgor pressure close 0
diffusion is the movement of particles from high to low concentration; osmosis is movement of water from high to low concentration
receptacle
rhizomes
8. Stems differ from roots in ____?
the presence of nodes and internodes
imbibition
into the cell
eristems
9. Which soil horizon is the most important agriculturally?
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
manganese
horizon E
sweet potato
10. Specialized roots that permit plants growing in water to facilitate
pneumatophoves
plasmolysis
pressure-flow hypothesis
internode
11. The ground tissue of monocots is composed of ___?
sweet potato
parenchyma
phelloderm
transpiration rates increase
12. The space between the nodes of a stem is called the _____?
internode
cotyledon
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
upper epidermal cells
13. The 'eyes' of the Irish potato are actually ___?
auxillary
ovary
plasmolysis
ovary
14. The leaves of cacti are actually ____?
prickles
axillary bud and leaf
coconut
pericarp
15. Pressure that develops within a living cell as a result of water entering the cell is called ____?
turgor pressure
stolon/runner
tungor
annual ring
16. A structure in the axil of an attached leaf that is apable of future growth to form a branch shoot is the ____?
imbibition
axillary bud
axillary buds
A - topsoil - grassland
17. Leaves and buds are attached to the stem at the ___?
node
receptacle
anther
strawberry
18. In a mature - woody dicot stem - the tissue between the xylem and phloem is the ____?
root hairs
absorpion of minerals in solution
cambium
diffusion is the movement of particles from high to low concentration; osmosis is movement of water from high to low concentration
19. If the concentration of solutes/salts outside the plant cell is greater than the concentration on the inside - water will ____?
leave the cell
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
digitalis
receptacle
20. Cells produced by the vascular cambium do NOT include ___?
parenchyma
receptacle
tungor
radicle
21. Stems differ from roots in ___?
having a special covering called the root cap
phloem
pith
transpiration rates increase
22. When the calyx - corolla - and stamen of a flower are attached below the overy - the ovary is said to be ___?
deciduous
superia
stamen; anther
penetrate very deeply to underground water reservoirs
23. In a mature - woody dicot stem - the tissue between the xylem and the phloem is the ___?
vascular cambium
chollenchyma
pericarp
pericarp
24. Most of the water that enters a plant via the roots leaves the same plant by the process of ____?
A - topsoil - grassland
transpiration
parenchyma
plasmolysis
25. 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.
antenna pigments
conduction and absorption
terger
it has node marks all over it where branches could grow off of.
26. Name the 4 parts of aflower and briefly explain the process of double fertilization?
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
pith
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
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
27. Pollen is produced in the ____ of a flower?
cotyledon
Irish (white) potato
anther
lignin
28. Mitochondria are organelles responsible for ___?
aerobic
ovule
there could've been a high concentration of nutrients - such as salt - surounding the roots making it impossible for osmosis to occur
pith
29. Wood cells are composed primarily of cellulose and ___?
horizon E
internode
lignin
all of the above are correct
30. Which of the following drugs is NOT obtained from leaves?
penicilin
axillary bud and leaf
mychorizea
having a special covering called the root cap
31. The part of the flower where seeds are produced is called the ___?
ovary
superia
digitalis
internode
32. ____ is the stage of cellular respiration that takes place outside of the mitochondria?
internode
phelloderm
glycolysis
imbition
33. The longest wavelength of energy reaching the earth from the sun is ___?
compound - simple
vessels conduct sugars - traechids conduct water
sclerenchyma
red light
34. Which of the following is not a specialized stem?
sweet potato
pneumatophoves
callyx/corolla
internode
35. If the concentration of solutes inside the plant cell is grater than the concentration on the outside - water will move ___?
fig
phloem
into the cell
stigma
36. Why is visible light good energy to use for photsynthesis?
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37. Fungi which associate with roots to increase water absorption and mineral uptake are called ____?
all of the above are correct
mycoorhizae
base of grass leaves
cotyledon
38. Which of the following is a micronutrient in terms of a plant's mineral requirements for growth?
manganese
tungor
parenchyma
cortex
39. Photosystem pigments that function in gathering and passing light energy to reaction-center molecules are called ___?
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
ovule
eristems
antenna pigments
40. The skin of most fruits is technically the ___?
exocarp
water molecules
glycolysis
tungor
41. 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
inferior
stigma
Irish (white) potato
42. Which biome has the worst 'A' horizon?
the presence of nodes and internodes
desert
cellulose
pollen:stigma
43. When humidity is low - ____ ?
transpiration
transpiration rates increase
root hairs
cotyledon
44. Which of the following is part of the embryo of the seed?
casperian strips
Irish potato
radicle
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
45. Specialized epidermal cells that increase the surface area for absorption of water are ____?
A - topsoil - grassland
root hairs
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
NADPH
46. What obvious characteristic does a deciduous plant exhibit?
fibrous
potassium
grasslands
grows back every year
47. The part of the root containing the vascular tissue?
vessels conduct sugars - traechids conduct water
potassium
stele
ovule
48. Strawberries are an example of what kind of modified stem?
oxygen
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
water molecules
stolon/runner
49. The spines of cacti are specially adapted to perform 2 imp't functions for the plant - transpiration and photosynthesis. True or false?
stele
false
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
axillary bud
50. The osmotic response of guard cells is governed by the ___ levels in the guard cells?
casperian strips
potassium
there could've been a high concentration of nutrients - such as salt - surounding the roots making it impossible for osmosis to occur
ovary