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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 ground tissue of monocots is composed of ___?
mychorizea
loam
rhizomes
parenchyma
2. When humidity is low - ____ ?
transpiration rates increase
ovary
tungor
pith
3. Differentiate between diffusion and osmosis?
diffusion is the movement of particles from high to low concentration; osmosis is movement of water from high to low concentration
internodes
mitochondria - chemiosmosis
ovary
4. The main 'job' of the root is ____?
water conduction
conduction and absorption
rhizomes
ovary
5. This tissue/region is present in monocot roots but absent in dicot roots?
pith
sweet potato
chollenchyma
bulb
6. The part of the flower in which seeds are produced is the ___?
absorpion of minerals in solution
desert
ovary
diffuse out
7. A leaf with leaflets is classified as a ____ leaf while a leaf with a single blade is classified as a ____ leaf?
compound - simple
lignin
ovules
mychorizea
8. Cells produced by the vascular cambium do NOT include ___?
parenchyma
mycoorhizae
vascular bundles
terger
9. The osmotic response of guard cells is governed by the ___ levels in the guard cells?
high turgor pressure opens Kt-->0. low turgor pressure close 0
potassium
root hairs
radicle
10. The part of the flower where seeds are produced is called the ___?
sweet potato
ovule
ovary
root hairs
11. The ovay wall of a ferilized flower usually develops into What is referred to as ____?
red light
fruit
CHOPKNSCa
lose
12. Explain how a guard cell opens and closes the stoma?
high turgor pressure opens Kt-->0. low turgor pressure close 0
prickles
phelloderm
radicle
13. The ___ horizon - also referred to as ____ - is the most imp't agriculturally and deep layers of This is found in the ____ biome?
bulb
A - topsoil - grassland
the presence of nodes and internodes
callyx/corolla
14. The spines of cacti are specially adapted to perform 2 imp't functions for the plant - transpiration and photosynthesis. True or false?
false
manganese
digitalis
glycolysis
15. The part of the root containing the vascular tissue?
axillary bud
all of the above are correct
stele
all of the above are correct
16. What 8 elements are classified as major/macro elements for plant development?
CHOPKNSCa
pneumatophoves
phloem
deciduous
17. Fungi which associate with roots to increase water absorption and mineral uptake are called ____?
concentration outside roots causes plant to lose h20
deciduous
mycoorhizae
vessels
18. The fleshy edible part of the strawberry is actually the ____?
annual ring
major elements vegetation requires for growth (macronutrients)
mitochondria - chemiosmosis
pericarp
19. The fungi symbiotically associated with roots are called ___?
mychorizea
annuals
terger
casperian strips
20. Wood cells are composed primarily of lignin and ____?
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
grows back every year
antenna pigments
cellulose
21. Not a specialized stem?
modified stems
high turgor pressure opens Kt-->0. low turgor pressure close 0
cassava
taproots
22. 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 ____?
base of grass leaves
absorpion of minerals in solution
rain
sclerenchyma
23. Which cell types hav the primary function of photosynthesis?
eristems
chollenchyma
all of the above are correct
node
24. What is attached at the node?
axillary bud and leaf
pith
false
3 carbon pathway
25. If the concentration of solutes/salts outside the plant cell is greater than the concentration on the inside - water will ____?
desert
transpiration
leave the cell
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
26. The Calvin cycle is sometimes referred to as the ___?
taproots
3 carbon pathway
coconut
stigma
27. The osmotic response of guard cells is governed by ____ levels in the guard cells?
potassium
inferior
root hairs
lose
28. Leaves and buds are attached to the stem at the ___?
node
Irish potato
CHOPKNSCa
imbibition
29. At present the most widely accepted theory for movement of substances in the phloem is called the ____?
grows back every year
phloem
inferior
pressure-flow hypothesis
30. In a mature - woody dicot stem - the tissue between the xylem and phloem is the ____?
endodermis
superia
cambium
coconut
31. An example of a multiple fruit would be the ___?
fig
pericarp
all of the above are correct
horizon E
32. Explain photorespiration and how the enzyme rubisco plays a major role in that process during photosynthesis?
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
manganese
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.
K
33. Actively dividing cells can be found in ___?
inferior
eristems
cassava
cellulose
34. Plants whose leaves fall off at the end of the growing season are ___?
cortex
deciduous
endodermis
transpiration rates increase
35. An example of an aggregate fruit would be the ___?
exocarp
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
sweet potato
strawberry
36. The longest wavelength of energy reaching the earth from the sun is ___?
red light
stamen; anther
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
high turgor pressure opens Kt-->0. low turgor pressure close 0
37. Mitochondria are organelles responsible for ___?
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
aerobic
cotyledon
38. The 'eyes' of the Irish potato are actually ____?
guard cell and root hair
axillary buds
grasslands
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions
39. Pressure that develops within a living cell as a result of water entering the cell is called ____?
Irish (white) potato
cellulose
tungor
stolon/runner
40. Flowers are usually attached to a special structure at the end of a stem or peduncle called a ___?
receptacle
vascular cambium
endodermis
horizon E
41. Pollen adheres to a sticky portion of the flower called the ___?
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
ovules
stigma
fig
42. Ultmately - how is energy moved around and created in living things?
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions
transpiration rates decrease
guard cell and root hair
potassium
43. Which of the following is a critical part of a seed providing nutrition for the embryo?
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
cotyledon
rhizomes
anther
44. An advantage to tap roots is that they ____?
penetrate very deeply to underground water reservoirs
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
3 carbon pathway
cortex
45. The discrete patches of xylem and phloem found in monocot stems are called ____?
fibrous
vascular bundles
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
taproots
46. A cactus is classified as a modified ____?
all of the above are correct
stem
region of maturation
receptacle
47. One year's growth of xylem in secondary wood is referred to as an _____?
vascular bundles
annual ring
stamen; anther
3 carbon pathway
48. In a mature - woody dicot stem - the tissue between the xylem and the phloem is the ___?
vascular cambium
vascular bundles
pneumatophoves
dioecious; staminate
49. The oxygen liberated by green plants during photosynthesis comes from ___?
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions
transpiration
water molecules
axillary buds
50. When humidity is high - ____?
compound - simple
tap - fiblous
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
transpiration rates decrease