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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 ____?
water molecules
fig
mycoorhizae
conduction and absorption
2. In addition to anchoring a plant - roots usually function directly in which of the following processes?
absorpion of minerals in solution
rain
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
water molecules
3. A cactus is classified as a modified ____?
region of maturation
stem
parenchyma
into the cell
4. When humidity is low - ___?
phloem
receptacle
transpiration rates can decrease
grows back every year
5. The wood of cone bearing trees - softwoods - consists of primary traechids - while the wood of flowering trees - hardwoods - consists of traechids and ____?
axillary bud
vessels
having a special covering called the root cap
conduction and absorption
6. Which of the following drugs is NOT obtained from leaves?
vessel elements
ovule
manganese
penicilin
7. An example of a multiple fruit would be the ___?
fig
water conduction
exocarp
cortex
8. A plant with flowers containing stamens but no carpels would be a ___ plant with ____ flowers?
dioecious; staminate
sclerenchyma
ovule
turgor pressure
9. Explain how a guard cell opens and closes the stoma?
transpiration
high turgor pressure opens Kt-->0. low turgor pressure close 0
annual ring
callyx/corolla
10. When the calyx - corolla - and stamen of a flower are attached below the overy - the ovary is said to be ___?
transpiration rates increase
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
superia
stigma
11. Vessels are different from traechids because _____?
vessels conduct sugars - traechids conduct water
cassava
vascular bundles
radicle
12. Plants maintain a constant flow of water from the roots to the leaves through a process very critical to life on land called ____?
transpiration
turgor pressure
cellulose
digitalis
13. Which of the following is a specialized root for storage?
aerobic
bulb
CHOPKNSCa
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
14. Which fruit or seed is dispersed by water?
superia
enter
coconut
water molecules
15. Which of the following woud NOT be a part of the vasulcar stele?
cortex
potassium
deciduous
1
16. Which soil horizon is the most important agriculturally?
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
potassium
horizon E
annuals
17. Because of greater light intensity and heat absorption on the upper surface of the leaf - the lower surface has ____?
NADPH
more stomata on the upper surface
phloem
vascular bundles
18. ___ 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?
phelloderm
sweet potato
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
tap - fiblous
19. Fungi which associate with roots to increase water absorption and mineral uptake are called ____?
mycoorhizae
mychorizea
cotyledon
modified stems
20. Pressure that develops within a living cell as a result of water entering the cell is called ____?
tungor
pneumatophoves
ovules
sweet potato
21. 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?
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22. Fruit forms from the ovary wall of a flower referred to a the ___?
imbition
plasmolysis
grasslands
pericarp
23. Differentiate between diffusion and osmosis?
absorpion of minerals in solution
diffusion is the movement of particles from high to low concentration; osmosis is movement of water from high to low concentration
3 carbon pathway
stigma
24. Cells produced by the vascular cambium do NOT include ___?
phelloderm
region of maturation
horizon E
upper epidermal cells
25. Which biome has the best 'A' horizon?
grasslands
manganese
horizon E
stolon/runner
26. Which molecule is synthesized during the light reactions of photosynthesis by receiving electrons - becoming an eectron carrier molecule?
horizon E
NADPH
transpiration
pressure-flow hypothesis
27. Specialized roots that permit plants growing in water to facilitate
phelloderm
terger
pneumatophoves
ovary
28. If the concentration of solutes inside the plant cell is greater than the concentration on the outside - water will _____ the cell?
loam
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions
all of the above are correct
enter
29. Horizontal stems that produce roots and shoots are ___?
having a special covering called the root cap
vessels conduct sugars - traechids conduct water
rhizomes
penicilin
30. If the concentration of solutes/salts outside the plant cell is greater than the concentration on the inside - water will ____?
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
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
enter
leave the cell
31. The final electron acceptor during the process of cellular respiration is ___?
modified stems
oxygen
lignin
water conduction
32. The 'eyes' of the Irish potato are actually ____?
vascular cambria
axillary buds
fibrous
pneumatophoves
33. The ovay wall of a ferilized flower usually develops into What is referred to as ____?
fruit
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions
the presence of nodes and internodes
34. What obvious characteristic does a deciduous plant exhibit?
cambium
vessel elements
grows back every year
transpiration
35. The osmotic response of guard cells is governed by ____ levels in the guard cells?
root hairs
potassium
callyx/corolla
Irish (white) potato
36. Which of the following is a root with a specialized function for food storage?
sweet potato
digitalis
region of maturation
receptacle
37. Name the 4 parts of aflower and briefly explain the process of double fertilization?
manganese
cambium
grows back every year
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
38. Pollen adheres to a sticky portion of the flower called the ____?
turgor pressure
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
prickles
stigma
39. Leaves and buds are attached to the stem at the ___?
apical meristem
vascular bundles
vascular bundles
node
40. The spines of cacti are specially adapted to perform 2 imp't functions for the plant - transpiration and photosynthesis. True or false?
having a special covering called the root cap
phloem
auxillary
false
41. A uniovulate carpel would contain how many seed?
stigma
radicle
loam
1
42. This tissue/region is present in monocot roots but absent in dicot roots?
pith
water molecules
turgor pressure
annual ring
43. Stems differ from roots in ___?
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
glycolysis
Irish potato
having a special covering called the root cap
44. The skin of most fruits is technically the ____?
high turgor pressure opens Kt-->0. low turgor pressure close 0
lignin
exocarp
taproots
45. When humidity is high - ____?
transpiration rates decrease
stele
high turgor pressure opens Kt-->0. low turgor pressure close 0
axillary bud and leaf
46. Wood cells are composed primarily of cellulose 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
stolon/runner
lignin
cassava
47. Which is a type of epidermal cell?
guard cell and root hair
rhizomes
penicilin
stigma
48. At present the most widely accepted theory for movement of substances in the phloem is called the ____?
superia
region of maturation
pressure-flow hypothesis
cortex
49. The ___ horizon - also referred to as ____ - is the most imp't agriculturally and deep layers of This is found in the ____ biome?
plasmolysis
glycolysis
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
A - topsoil - grassland
50. Which of the following cell types hs food conduction as a primary function?
phloem
base of grass leaves
guard cells
conduction and absorption