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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. If the concentration of solutes/salts outside the plant cell is greater than the concentration on the inside - water will ____?
leave the cell
cortex
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
endodermis
2. Which of the following is a specialized leaf?
horizon E
vessel elements
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
more stomata on the upper surface
3. Fruit forms from the ovary wall of a flower referred to a the ___?
pith
penetrate very deeply to underground water reservoirs
glycolysis
pericarp
4. In which of the following are guard cells (that form stomata) not actively involved?
cotyledon
cortex
imbition
ovary
5. Plants whose leaves fall off at the end of the growing season are ___?
inferior
upper epidermal cells
plasmolysis
deciduous
6. These 'showy' modified leaves are found at the base of flowers and usually draw attention to the smaller real flowers?
it has node marks all over it where branches could grow off of.
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
bracts
imbibition
7. Explain why a cucumber or tomato really should be referred to as a fruit?
Irish potato
terger
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
it has node marks all over it where branches could grow off of.
8. The areas between the location of leaf attachments on the stem are called ___?
inferior
oxygen
pressure-flow hypothesis
internodes
9. Which of the following is a critical part of a seed providing nutrition for the embryo?
fibrous
cotyledon
ovule
axillary bud and leaf
10. Why is an Irish/white potato classified as a modified stem?
it has node marks all over it where branches could grow off of.
superia
terger
phloem
11. The part of the flower that eventually become seeds are the ___?
root hairs
radicle
ovule
terger
12. The main 'job' of the root is ____?
glycolysis
eristems
penetrate very deeply to underground water reservoirs
conduction and absorption
13. Water conducting cels that are open at either end include ___?
3 carbon pathway
vessel elements
pericarp
K
14. In a mature - woody dicot stem - the tissue/cell type between the xylem and the phloem is the _____?
vascular cambria
enter
transpiration rates can decrease
pericarp
15. The ovay wall of a ferilized flower usually develops into What is referred to as ____?
false
fruit
there could've been a high concentration of nutrients - such as salt - surounding the roots making it impossible for osmosis to occur
pith
16. A cactus is classified as a modified ____?
stem
vascular bundles
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
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
17. Stems differ from roots in ___?
having a special covering called the root cap
mitochondria - chemiosmosis
cortex
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
18. The ground tissue of monocots is composed of ___?
coconut
parenchyma
stele
guard cell and root hair
19. The parts of a flower that form male gametes are the ____?
3 carbon pathway
stamen; anther
it has node marks all over it where branches could grow off of.
potassium
20. Which of the following is not a specialized stem?
penetrate very deeply to underground water reservoirs
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
false
sweet potato
21. When humidity is low - ___?
loam
bulb
transpiration rates can decrease
cortex
22. A conspicuous organelle at the light microscope level in cells of the palisade mesophyll would be ___?
vessels
water conduction
chloroplasts
major elements vegetation requires for growth (macronutrients)
23. 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?
diffuse out
annuals
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
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
24. 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 ____?
mitochondria - chemiosmosis
false
stamen; anther
region of maturation
25. When the calyx - corolla - and stamen of a flower are attached below the overy - the ovary is said to be ___?
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
terger
phloem
superia
26. An example of a multiple fruit would be the ___?
loam
fig
3 carbon pathway
root hairs
27. Pressure that develops within a living cell as the result of water entering the cell is called ___?
turgor pressure
fig
fruit
loam
28. Why do most roots tend to die in soils that contain very high concentrations of salts (or fertilizer)?
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
transpiration
rhizomes
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
29. Horizontal stems that grow just below the surface of the soil are called ____?
manganese
tungor
rhizomes
stigma
30. The part of the flower that eventually become seeds are the ____?
lignin
root hairs
region of maturation
ovules
31. In a mature - woody dicot stem - the tissue between the xylem and phloem is the ____?
fruit
exocarp
cambium
high turgor pressure opens Kt-->0. low turgor pressure close 0
32. A structure in the axil of an attached leaf that is apable of future growth to form a branch shoot is the ____?
false
having a special covering called the root cap
axillary bud
major elements vegetation requires for growth (macronutrients)
33. The ___ horizon - also referred to as ____ - is the most imp't agriculturally and deep layers of This is found in the ____ biome?
coconut
pollen:stigma
A - topsoil - grassland
mycoorhizae
34. The 'eyes' of the Irish potato are actually ___?
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
tap - fiblous
transpiration rates decrease
auxillary
35. If the concentration of solutes inside the plant cell is greater than the concentration on the outside - water will _____ the cell?
parenchyma
enter
potassium
axillary buds
36. Fungi which associate with roots to increase water absorption and mineral uptake are called ____?
root hairs
desert
mycoorhizae
fruit
37. One year's growth of xylem in secondary wood is referred to as an _____?
annual ring
water conduction
3 carbon pathway
vessel elements
38. The fungi symbiotically associated with roots are called ___?
pneumatophoves
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
mychorizea
transpiration rates decrease
39. In addition to anchoring a plant - roots usually function directly in which of the following processes?
transpiration rates can decrease
axillary bud and leaf
ovules
absorpion of minerals in solution
40. The wood of cone bearing trees - softwoods - consists of primary traechids - while the wood of flowering trees - hardwoods - consists of traechids and ____?
node
Irish potato
vessels
leave the cell
41. A plant placed in a beaker of salt water will ____?
lose
potassium
inferior
ovary
42. Leaves and buds are attached to the stem at the ___?
phloem
base of grass leaves
node
sclerenchyma
43. At present the most widely accepted theory for movement of substances in the phloem is called the ____?
antenna pigments
superia
loam
pressure-flow hypothesis
44. This tissue/region is present in monocot roots but absent in dicot roots?
pith
pericarp
vessel elements
diffuse out
45. An advantage to tap roots is that they ____?
internode
penetrate very deeply to underground water reservoirs
CHOPKNSCa
loam
46. Not a specialized leaf?
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
Irish (white) potato
aerobic
radicle
47. When humidity is high - ____?
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
transpiration rates decrease
horizon E
vascular bundles
48. Which molecule is synthesized during the light reactions of photosynthesis by receiving electrons - becoming an eectron carrier molecule?
NADPH
grows back every year
cotyledon
region of maturation
49. The major regions of a root tip are ____ - ___ - _____ and _____?
root cap - zone of elongation - maturation - division
pneumatophoves
fibrous
modified stems
50. Which of the following is a root with a specialized function for food storage?
penetrate very deeply to underground water reservoirs
sweet potato
annual ring
dioecious; staminate