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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. When humidity is high - ____?
prickles
transpiration rates decrease
absorpion of minerals in solution
inferior
2. Which of the following is a micronutrient in terms of a plant's mineral requirements for growth?
into the cell
cotyledon
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
manganese
3. Pollen adheres to a sticky portion of the flower called the ____?
transpiration rates decrease
receptacle
stigma
root hairs
4. Photosystem pigments that function in gathering and passing light energy to reaction-center molecules are called ___?
auxillary
Irish (white) potato
antenna pigments
phloem
5. Horizontal stems that produce roots and shoots are ___?
sweet potato
rhizomes
phelloderm
endodermis
6. A uniovulate carpel would contain how many seed?
root hairs
root cap - zone of elongation - maturation - division
1
vascular bundles
7. Water conducting cels that are open at either end include ___?
annual ring
vascular bundles
vessel elements
high turgor pressure opens Kt-->0. low turgor pressure close 0
8. What does the term 'C'HOPK'NS CaFe Mighty good' represent?
inferior
having a special covering called the root cap
major elements vegetation requires for growth (macronutrients)
grasslands
9. A leaf with leaflets is classified as a ____ leaf while a leaf with a single blade is classified as a ____ leaf?
strawberry
stigma
cortex
compound - simple
10. Mitochondria are organelles responsible for ___?
root hairs
parenchyma
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
aerobic
11. The osmotic response of guard cells is governed by the ___ levels in the guard cells?
ovary
potassium
pith
NADPH
12. This tissue (region) is present in monocot roots but absent in dicot roots?
node
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
casperian strips
pith
13. When the calyx - corolla - and stamen of a flower are attached below the overy - the ovary is said to be ___?
superia
horizon E
rain
axillary bud and leaf
14. Cells produced by the vascular cambium do NOT include ___?
rain
phelloderm
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
phloem
15. Explain the process by which plants get water from the soil into the leaves?
exocarp
Irish potato
fibrous
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
16. When the calyx - corolla and stamen of a flower are attached at the top of the ovary - the ovary is said to be ___?
inferior
radicle
prickles
mitochondria - chemiosmosis
17. Explain how a guard cell opens and closes the stoma?
inferior
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
transpiration rates increase
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
18. The discrete patches of xylem and phloem found in herbaceous dicot stems are called ___?
endodermis
stem
vascular bundles
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
19. Flowers are usually attached to a special structure at the end of a stem or peduncle called a ___?
cotyledon
rhizomes
receptacle
tungor
20. 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?
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
inferior
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
annual ring
21. A conspicuous organelle at the light microscope level in cells of the palisade mesophyll would be ___?
enter
vessels conduct sugars - traechids conduct water
endodermis
chloroplasts
22. Which of the following drugs is NOT obtained from leaves?
penicilin
vascular bundles
inferior
receptacle
23. The 'eyes' of the Irish potato are actually ____?
annual ring
h20+co@-->chlorophyl/light-->glucose (sugar) + o2
axillary buds
diffuse out
24. Ultmately - how is energy moved around and created in living things?
water molecules
diffuse out
through a series of metabolic reactions and electrons transferring energy to different forms in redox reactions
ovary
25. The ___ horizon - also referred to as ____ - is the most imp't agriculturally and deep layers of This is found in the ____ biome?
K
casperian strips
A - topsoil - grassland
traechids - vessel elements - companion cells - sieve-tube elements- all of the above
26. The final electron acceptor during the process of cellular respiration is ___?
annual ring
casperian strips
compound - simple
oxygen
27. The type of root system found in a dicot is a ___?
internode
glycolysis
taproots
transpiration rates increase
28. The longest wavelength of energy reaching the earth from the sun is ___?
red light
loam
3 carbon pathway
Irish (white) potato
29. Which biome has the worst 'A' horizon?
mychorizea
pericarp
phelloderm
desert
30. In which of the following are guard cells (that form stomata) not actively involved?
parenchyma
dioecious; staminate
sweet potato
imbition
31. The parts of a flower that form male gametes are the ____?
high turgor pressure opens Kt-->0. low turgor pressure close 0
node
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
stamen; anther
32. Not a specialized stem?
rhizomes
cassava
aerobic
having a special covering called the root cap
33. Actively dividing cells can be found in ___?
region of maturation
phloem
oxygen
eristems
34. An example of a multiple fruit would be the ___?
node
coconut
region of maturation
fig
35. The part of the flower that eventually become seeds are the ____?
pith
ovules
cellulose
cassava
36. Specialized epidermal cells that increase the surface area for absorption of water are ____?
root hairs
stem
having a special covering called the root cap
terger
37. Why is visible light good energy to use for photsynthesis?
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38. Most cacti are __________ where the stem is responsible for the photosynthetic processes in the plant?
rhizomes
modified stems
all of the above are correct
inferior
39. Which soil horizon is the most important agriculturally?
cortex
horizon E
potassium
bracts
40. Which of the following drugs are NOT obtained from leaves?
plasmolysis
fig
digitalis
false
41. The initial step in the germination of a seed is called ____?
rhizomes
transpiration
exocarp
imbibition
42. 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
internode
bulb
it has the seeds and all 4 parts of a flower would classify it as a fruit instead of a vegetable
43. Explain how a guard cell opens and closes the stoma?
phloem
K
high turgor pressure opens Kt-->0. low turgor pressure close 0
diffuse out
44. Stems differ from roots in ____?
modified stems
mitochondria - chemiosmosis
water molecules
the presence of nodes and internodes
45. This structure in the ovary of a flower is responsible for producing a seed?
casperian strips
compound - simple
1
ovule
46. The 'eyes' of the Irish potato are actually ___?
auxillary
it has node marks all over it where branches could grow off of.
turgor pressure
pollen:stigma
47. Most of the water that enters a plant via the roots exits the same plant by the process of ____?
fruit
bulb
phloem
transpiration
48. Root hairs are found in the region of the root 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.
casperian strips
desert
region of maturation
49. 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 ____?
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
mitochondria - chemiosmosis
cotyledon
annuals
50. Explain photorespiration and how the enzyme rubisco plays a major role in that process during photosynthesis?
phloem
node
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
water molecules