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Quiz von 22alexpereyra, aktualisiert more than 1 year ago
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Erstellt von 22alexpereyra
vor fast 10 Jahre
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Frage 1
Frage
All of the following statements about electromagnetic radiation are true except
Antworten
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visible light represents a large portion of the electromagnetic spectrum
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photons of visible light contain more energy than photons of microwave radiation
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a wavelength is the distance between two successive crests of a wave
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the wavelength of visible light is usually measured in nanometers
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a prism can be used to separate light into colors
Frage 2
Frage
The color of a green leaf is due to
Antworten
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beta carotene
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retinal
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phycobilins
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its ability to absorb green light
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its ability to reflect green light
Frage 3
Frage
A byproduct of photosynthesis is
Antworten
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carbon dioxide
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water
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oxygen
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glucose
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chlorophyll
Frage 4
Frage
All of the following are true of light dependent reactions of photosynthesis except
Antworten
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NADPH is produced
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photolysis occurs
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ATP is produced
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glucose is produced
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it requires light
Frage 5
Frage
The oxygen used to build sugars during photosynthesis
Antworten
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comes from glucose
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is fixed during the light dependent reactions
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comes from CO2
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comes from H2O
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comes from atmospheric oxygen
Frage 6
Frage
Photosystem I
Antworten
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is the first photosystem in the series
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has a reaction center with 2 beta carotene molecules poised to release high energy electrons
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absorbs energy with a frequency of 680 nm
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gets its replacement electrons directly from photolysis
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is the only photosystem used in the cyclic pathway
Frage 7
Frage
Which of the following is not part of the light dependent reactions
Antworten
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stroma
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the thylakoid membrane
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P680
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photolysis
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ATP formation
Frage 8
Frage
Which of the following is not associated with a change in H+ concentration across the thylakoid membrane
Antworten
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ETC
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photolysis
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NADPH formation
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rubsico
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ATP synthase
Frage 9
Frage
Which of the following is not true of light independent reactions
Antworten
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produces carbs
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carbon is fixed during this reaction
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can occur at night
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requires ATP
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produces NADP
Frage 10
Frage
Light dependent reactions occur
Antworten
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in the cytoplasm
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in the stroma
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in the Calvin Benson cycle
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in the plasma membrane
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in the thylakoid membrane
Frage 11
Frage
Which of the following is an adaptation that some plants have made to continue photosynthesis at high rates, even under arid conditions?
Antworten
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conduct the light independent reactions during the day and the light independent reactions at night
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photorespiration
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fix CO2 during the day and then use it at nighttime
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fix CO2 in 1 type of cell and then transfer it to another type of cell where it will be fixed a second time
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use rubisco to fix carbon during the night
Frage 12
Frage
The common distribution patterns of vascular tissue in eudicot stems are characterized by vascular bundles being
Antworten
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organized in lines throughout ground tissue
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organized in rings within the ground tissue
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scattered without a definite pattern throughout the ground
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scattered but with the phloem inside the xylem
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organized with alternating rings of xylem and phloem
Frage 13
Frage
The difference between apical meristem and lateral meristem is that
Antworten
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the apical meristem develops into bark and the lateral mersitem into cork
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the apical meristem gives rise to photosynthetic cells where the lateral gives rise to non photosynthetic cells
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the lateral meristem is responsible for primary growth and the apical meristem is responsible for secondary growth
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the lateral meristem is responsible for lengthening whereas the apical meristem is responsible for thickening
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the apical meristem is responsible for lengthening whereas the lateral meristem is responsible for thickening
Frage 14
Frage
Phloem is the transport of ________ as xylem is to the transport of ________.
Antworten
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minerals; charged ions
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water; sugar
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gases; dissolved solute
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sugar; water
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negatively charges particles, positively charged particles
Frage 15
Frage
Photosynthetic cells in the mesophyll are
Antworten
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parenchyma
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sclerenchyma
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collenchyma
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vascular
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dermal
Frage 16
Frage
Increased surface are for the absorption of water at the root level in vascular plants occur primarily because of
Antworten
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tubers
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root hairs and nodules
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rhizome
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strobilus
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stolon and tubers
Frage 17
Frage
During transpiration, water molecules stick together in order to move through the xylem because of
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positive pressure
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negative pressure
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cohesion
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adhesion
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water potential
Frage 18
Frage
Sugar is transported from leaves to roots primarily because of
Antworten
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the pumping source of xylem vessels
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transpiration of water molecules
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cohesion-tension mechanism
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a pressure gradient between the source and the sink
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a water potential gradient
Frage 19
Frage
Guard cells swell and open the stomata when
Antworten
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solutes, like potassium ions, are pumped out of cells
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soil water becomes scarce
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it is the night for most C3 plants and C4 plants
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there are chemical pollutants in the air
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water along with ions like potassium and calcium move into the cells
Frage 20
Frage
In a flowering plant, fertilization occurs in the
Antworten
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stigma
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style
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ovary
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anther
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filament
Frage 21
Frage
During the plant life cycle, meiosis produces
Antworten
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4 haploid microspores and megaspores
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endosperm
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apical meristem
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embryo sporophyte
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integuments
Frage 22
Frage
When the sperm cell from the pollen tubes fuses with the egg and another sperm cell fuses with the endosperm mother cell, it is known as
Antworten
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pollinization
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double fertilization
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coevolution
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germination
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penetration
Frage 23
Frage
Which of the following methods of reproduction does not end with the offspring having identical genes to the parent plant
Antworten
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vegetative reproduction
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cuttings
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grafting
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tissue culture propagation
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sexual reproduction
Frage 24
Frage
Which of the following hormones is not correctly matched with its function
Antworten
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giberellins stimulate cell division in the stem tip and young leaves
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auxins stimulate cell elongation in growing tissues and inhibit growth at the axillary bud
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abscisic acid opens stomata by pushing solutes into cells
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cytokinins inhibit aging in the leaves
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ethylene stimulates ripening in fruit
Frage 25
Frage
In order to reset a biological clock, phytochrome is stimulates to switch from an inactive to active form by
Antworten
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blue light
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green light
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purple light
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red light
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far-red light
Frage 26
Frage
If a plant only blooms if it gets more than 12 hours of sunlight it is considered to be a
Antworten
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long day plant
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short day plant
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long night plant
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biennial
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perennial
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