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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. When humidity is high - ____?
desert
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
3 carbon pathway
transpiration rates decrease

2. The 'eyes' of the Irish potato are actually ___?
auxillary
tungor
high turgor pressure opens Kt-->0. low turgor pressure close 0
vascular cambria

3. Specialized roots that permit plants growing in water to facilitate
dioecious; staminate
sweet potato
deciduous
pneumatophoves

4. In addition to anchoring a plant - roots usually function directly in which of the following processes?
cotyledon
phloem
inferior
absorpion of minerals in solution

5. The type of root system found in a dicot is a ___?
pericarp
plasmolysis
cassava
taproots

6. Cells produced by the vascular cambium include ___?
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
lignin
antenna pigments
traechids - vessel elements - companion cells - sieve-tube elements- all of the above

7. The spines of cacti are specially adapted to perform 2 imp't functions for the plant - transpiration and photosynthesis. True or false?
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.
annual ring
false
enter

8. 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 ____?
pericarp
rain
parenchyma
antenna pigments

9. The part of the root containing the vascular tissue?
more stomata on the upper surface
stele
stamen; anther
NADPH

10. A conspicuous organelle at the light microscope level in cells of the palisade mesophyll would be ___?
chloroplasts
water molecules
coconut
traechids - vessel elements - companion cells - sieve-tube elements- all of the above

11. Which of the following would NOT be part of the stele?
cortex
vascular cambria
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
rain

12. The areas between the location of leaf attachments on the stem are called ___?
internodes
axillary buds
cortex
fibrous

13. Most of the water that enters a plant via the roots exits the same plant by the process of ____?
diffusion is the movement of particles from high to low concentration; osmosis is movement of water from high to low concentration
transpiration
cellulose
false

14. When humidity is low - ____ ?
modified stems
transpiration rates increase
stigma
imbition

15. The skin of most fruits is technically the ____?
turgor pressure
exocarp
cassava
guard cells

16. An example of an aggregate fruit would be the ___?
rhizomes
strawberry
taproots
diffuse out

17. In a mature - woody dicot stem - the tissue/cell type between the xylem and the phloem is the _____?
auxillary
A - topsoil - grassland
tap - fiblous
vascular cambria

18. The part of the flower where seeds are produced is called the ___?
it has node marks all over it where branches could grow off of.
aerobic
ovary
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

19. Roots differ from stems in ___?
base of grass leaves
vascular bundles
transpiration
all of the above are correct

20. The part of the flower in which seeds are produced is the ___?
mitochondria - chemiosmosis
endodermis
NADPH
ovary

21. Which cell type is responsible for transporting sugars in a plant?
vascular cambium
having a special covering called the root cap
phloem
sweet potato

22. Which of the following is a critical part of a seed providing nutrition for the embryo?
cotyledon
more stomata on the upper surface
penetrate very deeply to underground water reservoirs
exocarp

23. The osmotic response of guard cells is governed by the ___ levels in the guard cells?
potassium
annual ring
grows back every year
fig

24. A leaf with leaflets is classified as a ____ leaf while a leaf with a single blade is classified as a ____ leaf?
prickles
compound - simple
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
grows back every year

25. Stems differ from roots in ___?
imbition
having a special covering called the root cap
axillary buds
vascular bundles

26. When the calyx - Corolla - and stamens of a flower are attached at the top of the ovary - the ovary is said to be ____?
inferior
ovary
penicilin
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.

27. Which of the following is a specialized leaf?
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
strawberry
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
absorpion of minerals in solution

28. If the concentration of solutes outside the plant cell is greater than the concentration on the inside - water will _____?
prickles
diffuse out
water molecules
potassium

29. A plant placed in a beaker of salt water will ____?
lose
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
penetrate very deeply to underground water reservoirs
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

30. Pollen is produced in the ____ of a flower?
diffusion is the movement of particles from high to low concentration; osmosis is movement of water from high to low concentration
cortex
anther
inferior

31. A primary function of traechids is ___?
water conduction
lose
casperian strips
conduction and absorption

32. Pressure that develops within a living cell as the result of water entering the cell is called ___?
turgor pressure
1
lose
vascular bundles

33. Grasses - or monocots - are examples of plants with a ____ root system?
fibrous
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions
axillary buds
dioecious; staminate

34. As best as you can - briefly describe the development of vascular tissue by the lateral/vascular cambium of a stem and how that results in the production of wood?
leave the cell
transpiration
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.
manganese

35. The part of the flower in which seeds are produced is the ___?
all of the above are correct
annuals
ovule
ovary

36. When humidity is low - ___?
glycolysis
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
mychorizea
transpiration rates can decrease

37. Pollen adheres to a sticky portion of the flower called the ____?
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.
stigma
pith
desert

38. Leaves and buds are attached to the stem at the ___?
absorpion of minerals in solution
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
ovules
node

39. The longest wavelength of energy reaching the earth from the sun is ___?
annual ring
red light
diffusion is the movement of particles from high to low concentration; osmosis is movement of water from high to low concentration
region of maturation

40. 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
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
node
phloem

41. Which molecule is synthesized during the light reactions of photosynthesis by receiving electrons - becoming an eectron carrier molecule?
axillary bud and leaf
apical meristem
fig
NADPH

42. This tissue/region is present in monocot roots but absent in dicot roots?
guard cell and root hair
pith
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
root cap - zone of elongation - maturation - division

43. The fleshy edible part of the strawberry is actually the ____?
pneumatophoves
imbition
pericarp
transpiration

44. The 'eyes' of the Irish potato are actually ____?
axillary buds
fig
base of grass leaves
it has node marks all over it where branches could grow off of.

45. A farmer finds that his landin the wetbottoms during an exceptionally wet year produced a very poor crop as most of the plants died. What could've been the problem?

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46. Flowers are usually attached to a special structure at the end of a stem or peduncle called a ___?
receptacle
water molecules
axillary bud and leaf
Irish (white) potato

47. The main 'job' of the root is ____?
conduction and absorption
ovary
vessels conduct sugars - traechids conduct water
false

48. One year's growth of xylem in secondary wood is referred to as an ____?
the presence of nodes and internodes
casperian strips
stele
annual ring

49. Which of the following woud NOT be a part of the vasulcar stele?
vessel elements
dioecious; staminate
cortex
transpiration rates decrease

50. Which of the following drugs is NOT obtained from leaves?
node
penicilin
grows back every year
eristems