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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 main 'job' of the root is ____?
conduction and absorption
bracts
vessel elements
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
2. The discrete paches of xylem and phloem found in herbaceous dicot stems are called ____?
phloem
root hairs
pericarp
vascular bundles
3. Stems differ from roots in ____?
fruit
the presence of nodes and internodes
lose
base of grass leaves
4. This tissue (region) is present in monocot roots but absent in dicot roots?
guard cells
pith
grasslands
transpiration rates can decrease
5. The layer of chlorenchyma cells oriented to capture optimum sunlight at the top of the leaf are the ____?
annual ring
upper epidermal cells
penicilin
turgor pressure
6. Plants maintain a constant flow of water from the roots to the leaves through a process very critical to life on land called ____?
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
transpiration
pollen:stigma
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
7. Which of the following is not a specialized stem?
major elements vegetation requires for growth (macronutrients)
sweet potato
plasmolysis
rhizomes
8. The areas between the location of leaf attachments on the stem are called ___?
more stomata on the upper surface
transpiration
internodes
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
9. Because of greater light intensity and heat absorption on the upper surface of the leaf - the lower surface has ____?
phloem
compound - simple
more stomata on the upper surface
cotyledon
10. Roots differ from stems in ___?
all of the above are correct
transpiration
vascular bundles
phloem
11. In which region would an ntercalary meristem be found?
base of grass leaves
turgor pressure
annuals
vessels
12. If the concentration of solutes/salts outside the plant cell is greater than the concentration on the inside - water will ____?
stem
exocarp
plasmolysis
leave the cell
13. Stems differ from roots in ___?
ovule
inferior
having a special covering called the root cap
internode
14. Wood cells are composed primarily of lignin and ____?
tungor
parenchyma
red light
cellulose
15. White the basic chemical equation for photosynthesis indicating which parts are for the light dependent stage and which are part of the light independent stage?
strawberry
vascular bundles
conduction and absorption
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
16. What 8 elements are classified as major/macro elements for plant development?
inferior
CHOPKNSCa
potassium
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
17. Cells produced by the vascular cambium do NOT include ___?
phelloderm
turgor pressure
all of the above are correct
ovary
18. Most of the water that enters a plant via the roots leaves the same plant by the process of ____?
annuals
transpiration
1
grasslands
19. In a mature - woody dicot stem - the tissue between the xylem and phloem is the ____?
bulb
having a special covering called the root cap
cambium
inferior
20. Leaves and buds are attached to the stem at the ___?
more stomata on the upper surface
bulb
node
tap - fiblous
21. Differentiate between diffusion and osmosis?
penetrate very deeply to underground water reservoirs
diffusion is the movement of particles from high to low concentration; osmosis is movement of water from high to low concentration
anther
mychorizea
22. Which of the following drugs are NOT obtained from leaves?
digitalis
callyx/corolla
axillary buds
prickles
23. The discrete patches of xylem and phloem found in monocot stems are called ____?
vascular bundles
ovules
all of the above are correct
water conduction
24. Which of the following is a micronutrient in terms of a plant's mineral requirements for growth?
manganese
ovule
into the cell
water molecules
25. Fungi which associate with roots to increase water absorption and mineral uptake are called ____?
horizon E
mycoorhizae
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
vascular cambria
26. Which of the following woud NOT be a part of the vasulcar stele?
cortex
fruit
stele
compound - simple
27. Pressure that develops within a living cell as the result of water entering the cell is called ___?
region of maturation
turgor pressure
lose
CHOPKNSCa
28. Actively dividing cells can be found in ___?
pith
bracts
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
eristems
29. A farmer finds that his landin the wetbottoms during an exceptionally wet year produced a very poor crop as most of the plants died. What could've been the problem?
30. The 'eyes' of the Irish potato are actually ___?
parenchyma
vessels
auxillary
terger
31. Specialized epidermal cells that increase the surface area for absorption of water are ____?
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
there could've been a high concentration of nutrients - such as salt - surounding the roots making it impossible for osmosis to occur
root hairs
taproots
32. The ___ horizon - also referred to as ____ - is the most imp't agriculturally and deep layers of This is found in the ____ biome?
conduction and absorption
A - topsoil - grassland
into the cell
red light
33. What is attached at the node?
annual ring
cortex
axillary bud and leaf
horizon E
34. A primary function of traechids is ___?
NADPH
tungor
strawberry
water conduction
35. The final electron acceptor during the process of cellular respiration is ___?
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
oxygen
superia
potassium
36. Pressure that develops within a living cell as a result of water entering the cell is called ____?
modified stems
3 carbon pathway
transpiration rates can decrease
tungor
37. A structure in the axil of an attached leaf that is apable of future growth to form a branch shoot is the ____?
axillary bud
water molecules
desert
stigma
38. Which cell type is responsible for transporting sugars in a plant?
conduction and absorption
chloroplasts
node
phloem
39. ____ is the stage of cellular respiration that takes place outside of the mitochondria?
cassava
glycolysis
rhizomes
imbition
40. In which of the following are guard cells (that form stomata) not actively involved?
imbition
vascular cambria
taproots
rhizomes
41. Grasses - or monocots - are examples of plants with a ____ root system?
sweet potato
fibrous
pith
pericarp
42. Stoma are regulated by guard cells which swell or shrink due to movement of this specific ion in the stomata?
dioecious; staminate
K
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
lignin
43. Which biome has the worst 'A' horizon?
all of the above are correct
CHOPKNSCa
desert
diffuse out
44. Name the 4 parts of aflower and briefly explain the process of double fertilization?
deciduous
grasslands
internode
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
45. The osmotic response of guard cells is governed by ____ levels in the guard cells?
potassium
ovules
antenna pigments
Irish potato
46. One year's growth of xylem in secondary wood is referred to as an _____?
sweet potato
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
annual ring
cellulose
47. Why is visible light good energy to use for photsynthesis?
48. Which pair goes along with pollination?
water conduction
inferior
pollen:stigma
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
49. Specialized cells in the vascular tssue of a root responsible for initiating lateral root growth are _____ cells?
dioecious; staminate
receptacle
axillary bud
apical meristem
50. Explain how a guard cell opens and closes the stoma?
ovary
root hairs
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
high turgor pressure opens Kt-->0. low turgor pressure close 0