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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. Which soil horizon is the most important agriculturally?
horizon E
internode
fibrous
pressure-flow hypothesis
2. Not a specialized leaf?
eristems
Irish potato
region of maturation
1
3. Which of the following drugs is NOT obtained from leaves?
ovule
dioecious; staminate
penicilin
mitochondria - chemiosmosis
4. Specialized cells in the vascular tssue of a root responsible for initiating lateral root growth are _____ cells?
K
apical meristem
annual ring
Irish (white) potato
5. When the calyx - Corolla - and stamens of a flower are attached at the top of the ovary - the ovary is said to be ____?
rhizomes
inferior
vascular cambria
parenchyma
6. The initial step in the germination of a seed is called ____?
imbibition
annuals
vessel elements
stele
7. The main 'job' of the root is ____?
conduction and absorption
A - topsoil - grassland
auxillary
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
8. Which of the following is part of the embryo of the seed?
Irish potato
radicle
annual ring
ovary
9. Ultmately - how is energy moved around and created in living things?
turgor pressure
3 carbon pathway
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions
all of the above are correct
10. The Calvin cycle is sometimes referred to as the ___?
inferior
phloem
K
3 carbon pathway
11. 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?
into the cell
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
pneumatophoves
prickles
12. The dermal tissues of leaves have wha specialized cells to regulate gas exchange?
it has node marks all over it where branches could grow off of.
compound - simple
inferior
guard cells
13. When humidity is low - ____ ?
prickles
concentration outside roots causes plant to lose h20
transpiration rates increase
ovule
14. The skin of most fruits is technically the ____?
exocarp
penicilin
A - topsoil - grassland
stolon/runner
15. Roots differ from stems in ___?
transpiration
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
all of the above are correct
axillary buds
16. 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.
vascular cambria
more stomata on the upper surface
node
terger
17. The ovay wall of a ferilized flower usually develops into What is referred to as ____?
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
fruit
eristems
ovary
18. Lignin is found primarily in ___?
having a special covering called the root cap
phloem
receptacle
sclerenchyma
19. Stems differ from roots in ___?
annual ring
having a special covering called the root cap
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
region of maturation
20. The best soil for plant growth is ___?
apical meristem
loam
A - topsoil - grassland
phloem
21. What is attached at the node?
modified stems
axillary bud and leaf
imbibition
plasmolysis
22. Which biome has the best 'A' horizon?
grasslands
chollenchyma
K
aerobic
23. The part of the flower that eventually become seeds are the ____?
sweet potato
transpiration rates can decrease
ovules
Irish (white) potato
24. A cactus is classified as a modified ____?
imbibition
NADPH
ovary
stem
25. An example of a multiple fruit would be the ___?
fibrous
fig
vascular cambria
penetrate very deeply to underground water reservoirs
26. An advantage to tap roots is that they ____?
ovary
pressure-flow hypothesis
penetrate very deeply to underground water reservoirs
vessels conduct sugars - traechids conduct water
27. Pollen adheres to a sticky portion of the flower called the ___?
stigma
apical meristem
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
diffuse out
28. At present the most widely accepted theory for movement of substances in the phloem is called the ____?
fruit
pressure-flow hypothesis
major elements vegetation requires for growth (macronutrients)
cotyledon
29. Water conducting cels that are open at either end include ___?
vessel elements
stolon/runner
concentration outside roots causes plant to lose h20
it has node marks all over it where branches could grow off of.
30. Most cacti are __________ where the stem is responsible for the photosynthetic processes in the plant?
tungor
deciduous
pericarp
modified stems
31. The osmotic response of guard cells is governed by the ___ levels in the guard cells?
potassium
false
penicilin
sweet potato
32. The part of the flower in which seeds are produced is the ___?
transpiration
chollenchyma
ovary
all of the above are correct
33. Most of the ATP produced in respiration is a result of the movement of H ions across an ATP synthase in the inner membrane of the ____ and is referred to as ____?
grows back every year
ovule
water molecules
mitochondria - chemiosmosis
34. In a mature - woody dicot stem - the tissue/cell type between the xylem and the phloem is the _____?
rhizomes
grows back every year
vascular cambria
base of grass leaves
35. During the light dependent reactions of photosynthesis - ____?
major elements vegetation requires for growth (macronutrients)
Irish potato
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
manganese
36. The ground tissue of monocots is composed of ___?
coconut
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
parenchyma
penicilin
37. These 'showy' modified leaves are found at the base of flowers and usually draw attention to the smaller real flowers?
desert
transpiration rates can decrease
bracts
ovule
38. Explain why a cucumber or tomato really should be referred to as a fruit?
endodermis
annuals
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
39. An example of an aggregate fruit would be the ___?
strawberry
transpiration
axillary bud
rain
40. Why is visible light good energy to use for photsynthesis?
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41. Specialized epidermal cells that increase the surface area for absorption of water are ____?
guard cell and root hair
ovary
transpiration
root hairs
42. Most of the flesh of pomes comes from the __?
absorpion of minerals in solution
phloem
receptacle
vessel elements
43. Which pair goes along with pollination?
sclerenchyma
having a special covering called the root cap
pollen:stigma
more stomata on the upper surface
44. Cells produced by the vascular cambium do NOT include ___?
phelloderm
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
stele
pith
45. Which biome has the worst 'A' horizon?
eristems
conduction and absorption
desert
oxygen
46. Which of the following is a specialized root?
sweet potato
the presence of nodes and internodes
rhizomes
bracts
47. Which of the following woud NOT be a part of the vasulcar stele?
sweet potato
cortex
vessel elements
mychorizea
48. The wood of cone bearing trees - softwoods - consists of primary traechids - while the wood of flowering trees - hardwoods - consists of traechids and ____?
strawberry
vessels
pericarp
transpiration rates can decrease
49. The oxygen liberated by green plants during photosynthesis comes from ___?
chloroplasts
water molecules
coconut
mychorizea
50. The longest wavelength of energy reaching the earth from the sun is ___?
bulb
desert
red light
diffuse out