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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 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 ____?
conduction and absorption
fig
lose
rain
2. Pollen adheres to a sticky portion of the flower called the ____?
pith
ovary
cotyledon
stigma
3. Stems differ from roots in ___?
diffusion is the movement of particles from high to low concentration; osmosis is movement of water from high to low concentration
endodermis
having a special covering called the root cap
sweet potato
4. Not a specialized leaf?
3 carbon pathway
Irish potato
exocarp
phloem
5. The major regions of a root tip are ____ - ___ - _____ and _____?
fibrous
stolon/runner
root cap - zone of elongation - maturation - division
deciduous
6. Not a specialized stem?
having a special covering called the root cap
transpiration rates decrease
cassava
endodermis
7. The part of the flower where seeds are produced is called the ___?
K
pith
chloroplasts
ovary
8. What obvious characteristic does a deciduous plant exhibit?
grows back every year
tungor
internodes
transpiration rates increase
9. Strawberries are an example of what kind of modified stem?
stolon/runner
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
glycolysis
internode
10. The oxygen liberated by green plants during photosynthesis comes from ___?
tap - fiblous
A - topsoil - grassland
water molecules
phloem
11. When humidity is low - ___?
fig
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
oxygen
transpiration rates can decrease
12. When the calyx - corolla and stamen of a flower are attached at the top of the ovary - the ovary is said to be ___?
inferior
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
major elements vegetation requires for growth (macronutrients)
cellulose
13. This cell type is important in monocot and dicot roots by helping to regulate what gets into the ___?
dioecious; staminate
endodermis
potassium
annual ring
14. The ground tissue of monocots is composed of ___?
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
parenchyma
3 carbon pathway
fruit
15. Which of the following cell types hs food conduction as a primary function?
K
root cap - zone of elongation - maturation - division
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
phloem
16. Flowers are usually attached to a special structure at the end of a stem or peduncle called a ___?
receptacle
root hairs
upper epidermal cells
compound - simple
17. Which of the following is part of the embryo of the seed?
pneumatophoves
radicle
sweet potato
coconut
18. Explain the process by which plants get water from the soil into the leaves?
it has node marks all over it where branches could grow off of.
taproots
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
absorpion of minerals in solution
19. Fruit forms from the ovary wall of a flower referred to a the ___?
inferior
tungor
imbition
pericarp
20. 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
NADPH
pith
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
21. In a mature - woody dicot stem - the tissue/cell type between the xylem and the phloem is the _____?
inferior
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.
vascular cambria
loam
22. Cells produced by the vascular cambium do NOT include ___?
phelloderm
transpiration rates can decrease
inferior
internode
23. A plant placed in a beaker of salt water will ____?
lose
enter
turgor pressure
receptacle
24. A cactus is classified as a modified ____?
stem
ovule
annuals
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
25. When the calyx - Corolla - and stamens of a flower are attached at the top of the ovary - the ovary is said to be ____?
sweet potato
inferior
1
digitalis
26. The dermal tissues of leaves have wha specialized cells to regulate gas exchange?
high turgor pressure opens Kt-->0. low turgor pressure close 0
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
guard cells
27. This tissue/region is present in monocot roots but absent in dicot roots?
casperian strips
pith
axillary bud and leaf
pollen:stigma
28. In addition to anchoring a plant - roots usually function directly in which of the following processes?
Irish potato
absorpion of minerals in solution
strawberry
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
29. Explain photorespiration and how the enzyme rubisco plays a major role in that process during photosynthesis?
stigma
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
sweet potato
water molecules
30. The ovay wall of a ferilized flower usually develops into What is referred to as ____?
fruit
glycolysis
penicilin
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
31. What does the term 'C'HOPK'NS CaFe Mighty good' represent?
major elements vegetation requires for growth (macronutrients)
fig
ovules
dioecious; staminate
32. 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?
pollen:stigma
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
vascular bundles
1
33. Ultmately - how is energy moved around and created in living things?
cellulose
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions
axillary bud
phelloderm
34. The areas between the location of leaf attachments on the stem are called ___?
cotyledon
NADPH
root cap - zone of elongation - maturation - division
internodes
35. Name the 4 parts of aflower and briefly explain the process of double fertilization?
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
pressure-flow hypothesis
more stomata on the upper surface
sweet potato
36. A leaf with leaflets is classified as a ____ leaf while a leaf with a single blade is classified as a ____ leaf?
terger
parenchyma
antenna pigments
compound - simple
37. Horizontal stems that grow just below the surface of the soil are called ____?
concentration outside roots causes plant to lose h20
rhizomes
penicilin
axillary bud
38. Most cacti are __________ where the stem is responsible for the photosynthetic processes in the plant?
having a special covering called the root cap
1
ovary
modified stems
39. Leaves and buds are attached to the stem at the ___?
cortex
stele
node
internode
40. The ___ horizon - also referred to as ____ - is the most imp't agriculturally and deep layers of This is found in the ____ biome?
internode
rhizomes
A - topsoil - grassland
cortex
41. A plant with flowers containing stamens but no carpels would be a ___ plant with ____ flowers?
dioecious; staminate
water conduction
sweet potato
vascular bundles
42. Vessels are different from traechids because _____?
stigma
endodermis
vessels conduct sugars - traechids conduct water
apical meristem
43. If the concentration of solutes inside the plant cell is greater than the concentration on the outside - water will _____ the cell?
enter
root cap - zone of elongation - maturation - division
cambium
oxygen
44. Roots differ from stems in ___?
cortex
all of the above are correct
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
node
45. Most of the water that enters a plant via the roots exits the same plant by the process of ____?
red light
sweet potato
transpiration
cortex
46. The skin of most fruits is technically the ___?
exocarp
vascular cambria
tap - fiblous
pith
47. Why is an Irish/white potato classified as a modified stem?
stamen; anther
pericarp
it has node marks all over it where branches could grow off of.
A - topsoil - grassland
48. The best soil for plant growth is ___?
pericarp
high turgor pressure opens Kt-->0. low turgor pressure close 0
loam
annual ring
49. Flowering plants that complete their lie cycles in a single season are called ___?
annuals
internode
coconut
node
50. This tissue (region) is present in monocot roots but absent in dicot roots?
red light
pith
there could've been a high concentration of nutrients - such as salt - surounding the roots making it impossible for osmosis to occur
inferior