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Botany Basics

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 of the following is a root with a specialized function for food storage?
coconut
sweet potato
turgor pressure
potassium

2. A leaf with leaflets is classified as a ____ leaf while a leaf with a single blade is classified as a ____ leaf?
compound - simple
mitochondria - chemiosmosis
grasslands
callyx/corolla

3. Pollen adheres to a sticky portion of the flower called the ____?
lose
stigma
internode
lignin

4. During the light dependent reactions of photosynthesis - ____?
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
compound - simple
ovary
more stomata on the upper surface

5. When the calyx - corolla and stamen of a flower are attached at the top of the ovary - the ovary is said to be ___?
stamen; anther
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
inferior
imbibition

6. The ___ horizon - also referred to as ____ - is the most imp't agriculturally and deep layers of This is found in the ____ biome?
A - topsoil - grassland
inferior
ovules
receptacle

7. Specialized epidermal cells that increase the surface area for absorption of water are ____?
penetrate very deeply to underground water reservoirs
root hairs
pressure-flow hypothesis
node

8. The areas between the location of leaf attachments on the stem are called ___?
superia
transpiration rates increase
antenna pigments
internodes

9. Which of the following would NOT be part of the stele?
axillary bud and leaf
K
phloem
cortex

10. When humidity is high - ____?
lignin
the presence of nodes and internodes
transpiration rates decrease
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions

11. Pollen adheres to a sticky portion of the flower called the ___?
ovule
mychorizea
the presence of nodes and internodes
stigma

12. An advantage to tap roots is that they ____?
digitalis
internode
prickles
penetrate very deeply to underground water reservoirs

13. Wood cells are composed primarily of lignin and ____?
cellulose
inferior
horizon E
vascular cambria

14. Most of the flesh of pomes comes from the __?
transpiration rates decrease
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
receptacle
red light

15. Vessels are different from traechids because _____?
vessels conduct sugars - traechids conduct water
pneumatophoves
vascular bundles
rhizomes

16. 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
high turgor pressure opens Kt-->0. low turgor pressure close 0
exocarp
phloem

17. Fungi which associate with roots to increase water absorption and mineral uptake are called ____?
mycoorhizae
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
aerobic
desert

18. Most of the water that enters a plant via the roots leaves the same plant by the process of ____?
water molecules
transpiration
digitalis
root cap - zone of elongation - maturation - division

19. The skin of most fruits is technically the ____?
dioecious; staminate
superia
exocarp
tungor

20. When the calyx - corolla - and stamen of a flower are attached below the overy - the ovary is said to be ___?
superia
cassava
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
h20+co@-->chlorophyl/light-->glucose (sugar) + o2

21. Root hairs are found in the region of the root called the ____?
region of maturation
sweet potato
modified stems
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

22. When the calyx - corolla - and stamen of a flower appear to be attached at the top of the ovary - the ovary is said to be ____?
ovule
root cap - zone of elongation - maturation - division
high turgor pressure opens Kt-->0. low turgor pressure close 0
inferior

23. What obvious characteristic does a deciduous plant exhibit?
cassava
into the cell
grows back every year
internodes

24. The part of the flower that eventually become seeds are the ____?
A - topsoil - grassland
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
ovules
vessels

25. The type of root system found in a dicot is a ___?
sweet potato
taproots
callyx/corolla
water conduction

26. Plants whose leaves fall off at the end of the growing season are ___?
horizon E
internodes
mychorizea
deciduous

27. The osmotic response of guard cells is governed by ____ levels in the guard cells?
ovule
potassium
strawberry
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

28. These 'showy' modified leaves are found at the base of flowers and usually draw attention to the smaller real flowers?
inferior
inferior
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
bracts

29. You have a crop that is not doing well and you add a lot of fertilizer to help it out but this causes the crop to do worse. ExplaIn what has happened?
concentration outside roots causes plant to lose h20
fibrous
radicle
terger

30. One year's growth of xylem in secondary wood is referred to as an _____?
compound - simple
imbibition
receptacle
annual ring

31. The spines of cacti are specially adapted to perform 2 imp't functions for the plant - transpiration and photosynthesis. True or false?
false
phloem
casperian strips
cassava

32. The ovay wall of a ferilized flower usually develops into What is referred to as ____?
imbibition
fruit
it has node marks all over it where branches could grow off of.
rain

33. The initial step in the germination of a seed is called ____?
inferior
endodermis
imbibition
vascular bundles

34. Specialized cells in the vascular tssue of a root responsible for initiating lateral root growth are _____ cells?
3 carbon pathway
anther
apical meristem
transpiration rates can decrease

35. The wood of cone bearing trees - softwoods - consists of primary traechids - while the wood of flowering trees - hardwoods - consists of traechids and ____?
receptacle
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
NADPH
vessels

36. When the calyx - Corolla - and stamens of a flower are attached at the top of the ovary - the ovary is said to be ____?
inferior
vascular bundles
anther
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

37. The discrete paches of xylem and phloem found in herbaceous dicot stems are called ____?
vascular bundles
rain
exocarp
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. Which of the following is a critical part of a seed providing nutrition for the embryo?
transpiration
terger
cotyledon
more stomata on the upper surface

39. The 'eyes' of the Irish potato are actually ____?
axillary buds
absorpion of minerals in solution
node
bulb

40. A plant with flowers containing stamens but no carpels would be a ___ plant with ____ flowers?
pollen:stigma
cambium
axillary bud and leaf
dioecious; staminate

41. The main 'job' of the root is ____?
node
conduction and absorption
false
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions

42. When humidity is low - ____ ?
phelloderm
loam
transpiration rates increase
taproots

43. Plants maintain a constant flow of water from the roots to the leaves through a process very critical to life on land called ____?
transpiration
antenna pigments
receptacle
base of grass leaves

44. Stems differ from roots in ___?
transpiration
into the cell
potassium
having a special covering called the root cap

45. In a mature - woody dicot stem - the tissue between the xylem and the phloem is the ___?
transpiration rates increase
pressure-flow hypothesis
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
vascular cambium

46. Most of the water that enters a plant via the roots exits the same plant by the process of ____?
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
pith
callyx/corolla

47. 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.
terger
pith
strawberry
concentration outside roots causes plant to lose h20

48. One year's growth of xylem in secondary wood is referred to as an ____?
annual ring
rhizomes
penicilin
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

49. Which of the following is a specialized leaf?
the presence of nodes and internodes
penicilin
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
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above

50. Which of the following drugs are NOT obtained from leaves?
digitalis
upper epidermal cells
leave the cell
radicle