Test
Photosynthesis and Plant Structures and Function
Preguntas del test (26)
1All of the following statements about electromagnetic radiation are true except
- Avisible light represents a large portion of the electromagnetic spectrum
- Bphotons of visible light contain more energy than photons of microwave radiation
- Ca wavelength is the distance between two successive crests of a wave
- Dthe wavelength of visible light is usually measured in nanometers
- Ea prism can be used to separate light into colors
2The color of a green leaf is due to
- Abeta carotene
- Bretinal
- Cphycobilins
- Dits ability to absorb green light
- Eits ability to reflect green light
3A byproduct of photosynthesis is
- Acarbon dioxide
- Bwater
- Coxygen
- Dglucose
- Echlorophyll
4All of the following are true of light dependent reactions of photosynthesis except
- ANADPH is produced
- Bphotolysis occurs
- CATP is produced
- Dglucose is produced
- Eit requires light
5The oxygen used to build sugars during photosynthesis
- Acomes from glucose
- Bis fixed during the light dependent reactions
- Ccomes from CO2
- Dcomes from H2O
- Ecomes from atmospheric oxygen
6Photosystem I
- Ais the first photosystem in the series
- Bhas a reaction center with 2 beta carotene molecules poised to release high energy electrons
- Cabsorbs energy with a frequency of 680 nm
- Dgets its replacement electrons directly from photolysis
- Eis the only photosystem used in the cyclic pathway
7Which of the following is not part of the light dependent reactions
- Astroma
- Bthe thylakoid membrane
- CP680
- Dphotolysis
- EATP formation
8Which of the following is not associated with a change in H+ concentration across the thylakoid membrane
- AETC
- Bphotolysis
- CNADPH formation
- Drubsico
- EATP synthase
9Which of the following is not true of light independent reactions
- Aproduces carbs
- Bcarbon is fixed during this reaction
- Ccan occur at night
- Drequires ATP
- Eproduces NADP
10Light dependent reactions occur
- Ain the cytoplasm
- Bin the stroma
- Cin the Calvin Benson cycle
- Din the plasma membrane
- Ein the thylakoid membrane
11Which of the following is an adaptation that some plants have made to continue photosynthesis at high rates, even under arid conditions?
- Aconduct the light independent reactions during the day and the light independent reactions at night
- Bphotorespiration
- Cfix CO2 during the day and then use it at nighttime
- Dfix CO2 in 1 type of cell and then transfer it to another type of cell where it will be fixed a second time
- Euse rubisco to fix carbon during the night
12The common distribution patterns of vascular tissue in eudicot stems are characterized by vascular bundles being
- Aorganized in lines throughout ground tissue
- Borganized in rings within the ground tissue
- Cscattered without a definite pattern throughout the ground
- Dscattered but with the phloem inside the xylem
- Eorganized with alternating rings of xylem and phloem
13The difference between apical meristem and lateral meristem is that
- Athe apical meristem develops into bark and the lateral mersitem into cork
- Bthe apical meristem gives rise to photosynthetic cells where the lateral gives rise to non photosynthetic cells
- Cthe lateral meristem is responsible for primary growth and the apical meristem is responsible for secondary growth
- Dthe lateral meristem is responsible for lengthening whereas the apical meristem is responsible for thickening
- Ethe apical meristem is responsible for lengthening whereas the lateral meristem is responsible for thickening
14Phloem is the transport of ________ as xylem is to the transport of ________.
- Aminerals; charged ions
- Bwater; sugar
- Cgases; dissolved solute
- Dsugar; water
- Enegatively charges particles, positively charged particles
15Photosynthetic cells in the mesophyll are
- Aparenchyma
- Bsclerenchyma
- Ccollenchyma
- Dvascular
- Edermal
16Increased surface are for the absorption of water at the root level in vascular plants occur primarily because of
- Atubers
- Broot hairs and nodules
- Crhizome
- Dstrobilus
- Estolon and tubers
17During transpiration, water molecules stick together in order to move through the xylem because of
- Apositive pressure
- Bnegative pressure
- Ccohesion
- Dadhesion
- Ewater potential
18Sugar is transported from leaves to roots primarily because of
- Athe pumping source of xylem vessels
- Btranspiration of water molecules
- Ccohesion-tension mechanism
- Da pressure gradient between the source and the sink
- Ea water potential gradient
19Guard cells swell and open the stomata when
- Asolutes, like potassium ions, are pumped out of cells
- Bsoil water becomes scarce
- Cit is the night for most C3 plants and C4 plants
- Dthere are chemical pollutants in the air
- Ewater along with ions like potassium and calcium move into the cells
20In a flowering plant, fertilization occurs in the
- Astigma
- Bstyle
- Covary
- Danther
- Efilament
21During the plant life cycle, meiosis produces
- A4 haploid microspores and megaspores
- Bendosperm
- Capical meristem
- Dembryo sporophyte
- Einteguments
22When 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
- Apollinization
- Bdouble fertilization
- Ccoevolution
- Dgermination
- Epenetration
23Which of the following methods of reproduction does not end with the offspring having identical genes to the parent plant
- Avegetative reproduction
- Bcuttings
- Cgrafting
- Dtissue culture propagation
- Esexual reproduction
24Which of the following hormones is not correctly matched with its function
- Agiberellins stimulate cell division in the stem tip and young leaves
- Bauxins stimulate cell elongation in growing tissues and inhibit growth at the axillary bud
- Cabscisic acid opens stomata by pushing solutes into cells
- Dcytokinins inhibit aging in the leaves
- Eethylene stimulates ripening in fruit
25In order to reset a biological clock, phytochrome is stimulates to switch from an inactive to active form by
- Ablue light
- Bgreen light
- Cpurple light
- Dred light
- Efar-red light
26If a plant only blooms if it gets more than 12 hours of sunlight it is considered to be a
- Along day plant
- Bshort day plant
- Clong night plant
- Dbiennial
- Eperennial
Información
- Descripción
- Test sobre Photosynthesis and Plant Structures and Function, creado por 22alexpereyra el 16/12/2014.
- Autor
- 22alexpereyra
- Idioma
- English
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