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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. Pollen is produced in the ____ of a flower?
annuals
cotyledon
strawberry
anther
2. Plants whose leaves fall off at the end of the growing season are ___?
potassium
deciduous
cortex
grasslands
3. Not a specialized leaf?
upper epidermal cells
compound - simple
diffuse out
Irish (white) potato
4. The spines of cacti are specially adapted to perform 2 imp't functions for the plant - transpiration and photosynthesis. True or false?
water molecules
1
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
false
5. Leaves and buds are attached to the stem at the ___?
phloem
CHOPKNSCa
node
ovules
6. A plant placed in a beaker of salt water will ____?
lose
A - topsoil - grassland
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
stamen; anther
7. Specialized epidermal cells that increase the surface area for absorption of water are ____?
dioecious; staminate
vascular bundles
root hairs
it has node marks all over it where branches could grow off of.
8. In addition to anchoring a plant - roots usually function directly in which of the following processes?
CHOPKNSCa
sweet potato
absorpion of minerals in solution
axillary buds
9. Horizontal stems that produce roots and shoots are ___?
K
fruit
rhizomes
leave the cell
10. In a mature - woody dicot stem - the tissue/cell type between the xylem and the phloem is the _____?
vascular cambria
cortex
CHOPKNSCa
phloem
11. Which cell type is responsible for transporting sugars in a plant?
internode
anther
phloem
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
12. Which of the following woud NOT be a part of the vasulcar stele?
cambium
cortex
manganese
cassava
13. This tissue/region is present in monocot roots but absent in dicot roots?
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
pith
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
conduction and absorption
14. Explain the process by which plants get water from the soil into the leaves?
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
sweet potato
terger
imbition
15. The major regions of a root tip are ____ - ___ - _____ and _____?
root cap - zone of elongation - maturation - division
fruit
glycolysis
radicle
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.
terger
water molecules are split - through the energy of light - into hydrogen ions - electrons - and oxygen
sweet potato
sweet potato
17. Stoma are regulated by guard cells which swell or shrink due to movement of this specific ion in the stomata?
sweet potato
penicilin
K
rhizomes
18. Which of the following is a specialized root for storage?
exocarp
bulb
transpiration
base of grass leaves
19. A plant with flowers containing stamens but no carpels would be a ___ plant with ____ flowers?
oxygen
dioecious; staminate
ovary
cotyledon
20. When humidity is low - ___?
dioecious; staminate
phelloderm
transpiration rates can decrease
digitalis
21. A uniovulate carpel would contain how many seed?
compound - simple
K
parenchyma
1
22. In which of the following are guard cells (that form stomata) not actively involved?
high turgor pressure opens Kt-->0. low turgor pressure close 0
ovule
internode
imbition
23. Which of the following is a root with a specialized function for food storage?
sweet potato
digitalis
base of grass leaves
fibrous
24. The wood of cone bearing trees - softwoods - consists of primary traechids - while the wood of flowering trees - hardwoods - consists of traechids and ____?
concentration outside roots causes plant to lose h20
vessels
modified stems
pith
25. Grasses - or monocots - are examples of plants with a ____ root system?
lignin
receptacle
fibrous
root hairs
26. Most of the water that enters a plant via the roots exits the same plant by the process of ____?
transpiration
cortex
having a special covering called the root cap
ovary
27. Leaves and buds are attached to the stem at the ___?
node
eristems
water molecules
stamen; anther
28. Which of the following is not a specialized stem?
annual ring
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
pith
sweet potato
29. This structure in the ovary of a flower is responsible for producing a seed?
3 carbon pathway
ovule
ovary
fibrous
30. What 8 elements are classified as major/macro elements for plant development?
rain
cambium
cortex
CHOPKNSCa
31. Which biome has the worst 'A' horizon?
vascular bundles
desert
lose
guard cell and root hair
32. Fungi which associate with roots to increase water absorption and mineral uptake are called ____?
endodermis
ovule
dioecious; staminate
mycoorhizae
33. Pressure that develops within a living cell as a result of water entering the cell is called ____?
it has node marks all over it where branches could grow off of.
tungor
parenchyma
transpiration
34. Explain how a guard cell opens and closes the stoma?
high turgor pressure opens Kt-->0. low turgor pressure close 0
cortex
internode
casperian strips
35. If the concentration of solutes/salts outside the plant cell is greater than the concentration on the inside - water will ____?
stolon/runner
false
cotyledon
leave the cell
36. If the concentration of solutes outside the plant cell is greater than the concentration on the inside - water will _____?
there could've been a high concentration of nutrients - such as salt - surounding the roots making it impossible for osmosis to occur
cellulose
A - topsoil - grassland
diffuse out
37. The parts of a flower that form male gametes are the ____?
stamen; anther
concentration outside roots causes plant to lose h20
exocarp
desert
38. The longest wavelength of energy reaching the earth from the sun is ___?
receptacle
1
transpiration
red light
39. The osmotic response of guard cells is governed by the ___ levels in the guard cells?
potassium
sclerenchyma
cambium
radicle
40. Which pair goes along with pollination?
all of the above are correct
antenna pigments
root hairs
pollen:stigma
41. The 'eyes' of the Irish potato are actually ____?
stolon/runner
loam
A - topsoil - grassland
axillary buds
42. Which of the following is a specialized leaf?
CHOPKNSCa
false
ovary
venus flytrap - sundew trap - pitcher of a ptcher plant - tenri of a pea plant- all of the above
43. Specialized epidermal cells that increase the surface area for absorption of water are ____?
manganese
root hairs
sweet potato
Irish (white) potato
44. Photosystem pigments that function in gathering and passing light energy to reaction-center molecules are called ___?
receptacle
coconut
antenna pigments
transpiration
45. Differentiate between diffusion and osmosis?
high turgor pressure opens Kt-->0. low turgor pressure close 0
there could've been a high concentration of nutrients - such as salt - surounding the roots making it impossible for osmosis to occur
diffusion is the movement of particles from high to low concentration; osmosis is movement of water from high to low concentration
stolon/runner
46. 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
root cap - zone of elongation - maturation - division
sclerenchyma
diffuse out
47. An advantage to tap roots is that they ____?
vascular cambium
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
penetrate very deeply to underground water reservoirs
vascular bundles
48. Pollen adheres to a sticky portion of the flower called the ____?
stigma
stem
vessels
exocarp
49. ___ roots of dicots penetrate very deeply to underground water while ____ roots of monocots remain close to the surfae and facilitate rapid absorption of surface water?
tap - fiblous
axillary bud and leaf
leave the cell
transpiration
50. An example of an aggregate fruit would be the ___?
cortex
strawberry
fruit
node