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作者: shokanshorin (上官薔凜) 看板: NTU-Exam
標題: [試題] 98上 陳俊宏 普通生物學乙上 第二次期中考 Part2
時間: Sun Jun 19 20:42:04 2011
課程名稱︰普通生物學乙上
課程性質︰必修
課程教師︰陳俊宏
開課學院：醫學院
開課系所︰醫學系
考試日期（年月日）︰2009／12／03
考試時限（分鐘）：110min
是否需發放獎勵金：是
（如未明確表示，則不予發放）
Ⅱ. 選擇：(one point for each)
1. Which of the following is NOT a function of the plasma membrane proton pump?
A. hydrolyzes ATP.
B. produces a proton gradient.
C. generates a membrane potential.
D. equalizes the charge on each side of a membrane.
E. stores potential energy on one side of a membrane.
2. If Ψp ＝ 0.3 MPa and Ψs ＝ -0.45 MPa, the resulting water potential (Ψ)
is?
A. +0.75 MPa B. -0.75 MPa C. -0.15 MPa D. +0.15 MPa
E. impossible to calculate with this information.
3. Compared to a cell with few aquaporins in its membrane, a cell containing
many aquaporins will
A. have a faster rate of osmosis.
B. have a lower water potential.
C. have a higher water potential.
D. have a faster rate of active transport.
E. be flaccid.
4. In plant roots, the Casparian strip is CORRECTLY described by which of the
following?
A. It is located in the walls between endodermal cells and cortex cells.
B. It provides energy for the active transport of minerals into the stele
from the cortex.
C. It ensures that all minerals are absorbed from the soil in equal amounts.
D. It ensures that all water and dissolved substances must pass through a
cell before entering the stele.
E. It provides increased surface area for the absorption of mineral
nutrients.
5. Pine seedlings grown in sterile potting soil grow much slower than seedings
growing in soil form the area where the seeds were collected. This is most
likely because
A. the sterilization process kills the root hairs as they emerge from the
seedling.
B. the normal symbiotic fungi are not present in the sterilized soil.
C. sterilization removes essential nutrients from the soil.
D. water and mineral uptake is faster when mycorrhizae are present.
E. both B and D.
6. One is most likely to see guttation in small plants when the
A. transpiration rates are high.
B. root pressure exceeds transpiration pull.
C. preceding evening was hot, windy, and dry.
D. water potential in the stele of the root is high.
E. roots are not abosrbing minerals from the soil.
7. Which of the following is responsible ofr the cohesion of water molecules?
A. hydrogen bonds between the oxygen atoms of a water molecule and cellulose
in a vessel cell.
B. covalent bonds between the hydrogen atoms of two adjacent water
molecules.
C. hydrogen bonds between the oxygen atom of one water molecule and a
hydrogen atom of another water molecule.
D. covalent bonds between the oxygen atom of one water molecule and a
hydrogen atom of another water molecule.
E. Cohesion has nothing to do with the bonding but is the result of the
tight packing of the water molecules in the xylem column.
8. The opening of stomata is thought to involve
A. an increase in the osmotic concentration of the guard cells.
B. a decrease in the osmotic concentration of the stoma.
C. active transport of water out of the guard cells.
D. decreased turgor pressure in guard cells.
E. movement of K+ from guard cells.
9. A plant cell with a solute potential of -0.65 MPa maintains a constant
volume when bathed in a solution that has a colute potential of -0.30 MPa
and is in an open container. What do we know about the cell?
A. The cell has a pressure potential of +0.65 MPa.
B. The cell has a pressure potential of -0.65 MPa.
C. The cell has a pressure potential of +0.35 MPa.
D. The cell has a pressure potential of +0.30 MPa.
E. The cell has a pressure potential of 0 MPa.
10. A soil well suited for the frowth of most plants would have all of the
following properties EXCEPT
A. abundant humus. B. air spaces. C. good drainage.
D. high cation exchange capacity. E. a high pH.
11. A farming commitment that embraces a variety of methods that are
conservation-minded, environmentally safe, and profitable is called
A. hydroponics. B. nitrogen fixation. C. responsible irrigation.
D. genetic engineering. E. sustainable agriculture.
12. Which of the following is a primary difference between evtomycorrhizae and
endomycorrhizae?
A. Endomycorrhizae have thickerm, shorter hyphae than ectomycorrhizae.
B. Endomycorrhizae, but not ectomycorrhizae, from a dense sheath over the
surface of the root.
C. Ectomycorrhizae do not penetrate root cells, whereas endomycorrhizae
grow into invaginations of the root cell membrane.
D. Ectomycorrhizae are found in woody plant species; about 85% of plant
families from ectomycorrhizae.
E. There are no significant differences between ectomycorrhizae and
endomycorrhizae.
13. It is valid to consider water a plant nutrient because
A. plants die without a water source.
B. cell elongation depends mainly on the osmotic absorption of water by
cells.
C. hydrogen and oxygen atoms from water molecules are incorporated into
organic molecules.
D. transpiration depends on a continuous supply of water to leaves.
E. most of a plant's mass of organic compounds is derived from water.
14. A mineral dificiency is likely to affect older leaves more than younger
leaves if
A. the mineral is a micronutrient.
B. the mineral is very mobile within the plant.
C. the mineral is required for chlorophyll synthesis.
D. the mineral is a macronutrient.
E. the older leaves are in direct sunlight.
15. Carnicorous adaptations of plants mainly compensate for soil that has a
relatively low content of
A. Potassium. B. Nitrogen. C. Calcium. D. water. E. Phosphate.
16. What is typically the result of double fertilization in angiosperms?
A. The endosperm develops into a diploid nutrient tissue.
B. A triploid zygote is formed.
C. Both a diploid embryo and triploid endosperm are formed.
D. Two embryos develop in every seed.
E. The fertilized anitpodal cells develop into the seed coat.
17. In plants, which of the following could be an advantage of sexual
reproduction as opposed to asexual reproduction?
A. genetic variation. B. mitosis. C. stable populations.
D. rapid population increase. E. greater longevity.
18. Under which conditions would asexual plants have the greatest advantage
over sexual plants?
A. an environment that varies on a regular, predictable basis.
B. an environment with irregular fluctuations of conditions.
C. a relatively constant environment with infrequent disturbances.
D. a fire-maintained ecosystem.
E. an environment with many seed predators.
19. Currently available transgenic plants have been modified for all of the
following traits EXCEPT
A. insect resistance. B. nitrogen fixation. C. herbicide resistance.
D. improved nutritional quality. E. virus resistance.
20. Plant biotechnologists use protoplast fusion mainly to
A. culture plant cells in vitro.
B. asexually propagate desirable plant varieties.
C. introduce bacterial genes into a plant genome.
D. study the early events following fertilization.
E. produce new hybrid species.
--------------------------------打到手殘，暫停中------------------------------
終於知道打字小姐的辛苦了
全英文打下去眼殘加手殘
沒用滑鼠也有疑似腕隧道症候群我還是第一次遇到@@
還有20題等等再打...
手超痛T_T
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作者: shokanshorin (上官薔凜) 看板: NTU-Exam
標題: [試題] 98上 陳俊宏 普通生物學乙上 第二次期中考 Part3
時間: Mon Jun 20 13:39:48 2011
課程名稱︰普通生物學乙上
課程性質︰必修
課程教師︰陳俊宏
開課學院：醫學院
開課系所︰醫學系
考試日期（年月日）︰2009／12／03
考試時限（分鐘）：110min
是否需發放獎勵金：是
（如未明確表示，則不予發放）
21. "Golden Rice" is a transgenic variety that
A. is resistant to various herbicides, making it practical to weed rice
fields with those herbicides.
B. is resistant to a virus that commonly attacks rice fields.
C. includes bacterial genes that produce a toxin that reduces damage from
insect pests.
D. produces much larger, golen grains that increase crop yields.
E. contains daffodil genes that increase the provitamin A content.
22. Secondary messengers are associated with which of the following?
A. reception B. transduction C. response D. both A & B E. both B & C
23. Which of these conclusions is supported by the research of both Went and
Charles and Frances Darwin on shoot responses to light?
A. When shoots are exposed to light, a chemical substance migrates toward
the light.
B. Agar contains a chemical substance that mimics a plant hormone.
C. A chemical substance involved in shoot bending is produced in shoot
tips.
D. Once shoot tips have been cut, normal growth cannot be induced.
E. Light stimulates the synthesis of a plant hormone that responds to
light.
24. We know from the experiments of the past that plants bend toward light
because
A. they need sunlight energy for photosynthesis.
B. the sun stimulates stem growth.
C. cell expansion is greater on the dark side of the stem.
D. auxin is inactive on the dark side of the stem.
E. phytochrome stimulates florigen production.
25. Why is it so difficult to study the actions of plant hormones?
A. Their effects are often the result of an interaction of hormones.
B. They are found in small quantities in the plant.
C. We probably have not discovered all of them.
D. They sometimes cause different responses in different plants.
E. All of the above make the study of plant hormones difficult.
26. Which plant hormones might be used to enhance stem elongation and fruit
growth?
A. brassinosteroids and oligosaccharides.
B. auxin and gibberellins.
C. abscisic acid and phytochrome.
D. ethylene and cytokinins.
E. phytochrome and flowering hormone.
27. According to the acid growth hypothesis, auxin works by
A. dissolving sieve plates, permitting more rapid transport of nutrients.
B. dissolving the cell membranes temporarily, permitting cells that were
on the verge of dividing to divid more rapidly.
C. changing the pH within the cell, which would permit the electron
transport chain to operate more efficiently.
D. increasing wall plasticity and allowing the affected cell walls to
elongate.
E. greatly increasing the rate of deposition of cell wall material.
28. The application of which of the following hormones would be a logical first
choice in an attempt to produce normal growth in mutant dwarf plants?
A. indoleacetic acid. B. cytokinins. C. gibberellin D. abscisic acid.
E. ethylene.
29. If you were shipping green bananas to a supermarket thousands of miles
away, which of the following chemicals would you want to eliminate from
the plants' environment?
A. CO2. B. cyotkinins. C. ethylene. D. auxin. E. gibberellic acids.
30. Auxin is responsible for all of the following plant growth responses
EXCEPT
A. phototropism.
B. formation of adventitious roots.
C. apical dominanace.
D. the detection of photoperiod.
E. cell elongation.
31. If the range of a species of plants expands to a higher latitude, which of
the following processes is the most LIKELY to be modifies by natural
selection?
A. circadian rhythm. B. photoperiod response
C. phototropic response. D. biological clock.
E. thigmomorphogenesis.
32. Florigen is a hypothetical flowering signal produced in leaves and
transported to meristem via phloem to cause floral development. Which
following substance is more likely to be the florigen?
A. Auxin. B. Gibberellin. C. Ethylene. D. FT protein. E. jasmonric acid
33. You are part of a desert plant research team trying to discover crops that
will be productive in arid climates. You discover a plant that produces a
guard cell hormone under water-deficit conditions. Most likely the hormone
is
A. ABA. B. GA. C. IAA. D. 2,4-D. E. salicylic acid.
34. In extremely cold regions, woody species may survive freezing temperatures
by
A. emptying water from the vacuoles to prevent freezing.
B. decreasing the numbers of phospholipids in cell membranes.
C. decreasing the fliudity of all cellular membranes.
D. producing canacanine as a natural antifreeze.
E. increasing cytoplasmic levels of specific solute concentrations, such
as sugars.
35. Plants are affected by an array of pathogens. Which of the following is
NOT a plant defense against disease?
A. cells near the point of infection destroying themselves to prevent the
spread of the infection.
B. production of chemicals that kill pathogens.
C. acquiring gene-for-gene recognition that allows specific proteins to
interact so that the plant can produce defenses against the pathogens.
D. a waxy cuticle that pathogens have trouble penetrating.
E. All of the above are plant defenses against disease.
36. The transduction pathway that activates systemic acquired resistance (SAR)
in plants is initially signaled by
A. antisense RNA. B. Pfr phytochrome. C. salicylic acid.
D. abscisic acid. E. red, but not far-red, light.
37. A plant will recognize a pathogenic invader
A. if it has many specific plant disease resistance (R) genes.
B. when the pathogen has and R gene complimentary to the plant's
antivirulence (Avr) gene.
C. only if the pathogen and the plant have the same R genes.
D. if it has the specific R gene that corresponds to th pathogen molecule
encoded by an Avr gene.
E. when the pathogen secretes Avr protein.
38. Buds and sprout often form on tree stumps. Which of the following hormones
would you expect to stimulate their formation?
A. auxin. B. cytokinins. C. abscisic acid. D. ethylene.
E. gibberellins.
39. How might a plant respond to severe heat stress?
A. by orienting leaves toward the sun to increase evaporative cooling.
B. by producing ethylene, which kills some cortex cells and creates air
tubes for ventilation.
C. by producing salicylic acid, which initiates a systemic acquired
resistance response.
D. by increasing the proportion of unsaturaed fatty acids in cell
memebranes to reduce their fluidity.
E. by producing heat-shock proteins, which may protect the plant's
proteins from denaturing.
40. If a long-day plant has critical night length of 9 hours, which of the
following 24-hour cycles would prevent flowering?
A. 16 hours light / 8 hours dark.
B. 14 hours light / 10 hours dark.
C. 15.5 hours light/ 8.5 hours dark.
D. 4 hours light / 8 hours dark / 4 hours light / 8 hours dark.
E. 8 hours light / 8 hours dark / light flash / 8 hours dark.
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