Quiz
Ch. 8 quiz
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Perguntas do quiz (13)
1Plants utilize _____ for photosynthesis.
- Ainfrared radiation
- Bvisible light
- CUV light
- DAll of the choices
2In chloroplast, ATP synthesis occurs in the
- Athylakoid membranes
- Bstomata
- Cstroma
- Dintermembrane space
3When a photon of light energy is absorbed by a chlorophyll molecule, which of the following events may result?
- AAn electron is boosted to a higher orbital and then returns to its ground state emitting florescent light.
- BAn electron is boosted to a higher orbital and then returns to its ground state, emitting heat.
- CThe energized electron leaves the molecule and joins an electron acceptor molecule.
- Dall of the choices
4Englemann's experiment using aerobic bacteria and Spirogyra concluded that
- Athe bacteria are attracted to red and blue light even in the absence of Spirogyra
- Bbacteria congregated around the segment of algae illuminated by red and blue light because more oxygen was being produced there
- Cbacteria congregated around the segment of algae illuminated by yellow and green light because more carbohydrate was being produced there
- Dgreen light is the most effective for photosynthesis
5Which statement best summarizes the depiction of photosynthesis as a redox process?
- ADuring photosynthesis,
hydrogen atoms are
transferred from carbon
dioxide to water to form
carbohydrate. - BPhotosynthesis is a redox
process in which H20 is
reduced and CO2 is oxidized. - CElectrons stripped off O2
during photosynthesis end up
binding to CO2 molecules,
forming carbohydrates. - DDuring photosynthesis, water
is oxidized and its electrons
reduce carbon dioxide into
carbohydrate.
- ADuring photosynthesis,
6Which of the following events in
photosynthesis is not associated with the
light-dependent reactions?- Acarbon fixation
- Bsplitting water
- Creleasing O2
- Dcapturing light
energy
7Which of the following groups of molecules
is both an output of the light-dependent
reactions and an input to the Calvin cycle?- ACO2, ATP, NADPH
- BATP, NADPH
- Ccarbohydrates, H2O
- DADP, NADP+
8Which of the following describes
cyclic electron transport?- Aproduces ATP but not NADPH or O2
- Bsplits water, produces oxygen, makes ATP, makes NADPH
- Cincludes photosystem II,
a primary electron
acceptor and an
electron transport chain - Duses up ATP, CO2 and
NADPH to make sugar
9Electrons in the noncyclic path of electron transport follow
which of the following sequences?- APhotosystem I? Primary electron
acceptor ? electron transport
chain? P700? primary electron
acceptor ? electron transport
chain - Bwater ? P680 ? primary electron
acceptor ? P700, primary
electron acceptor ? electron
transport chain ? NADPH - Cwater ? P680 ? primary electron
acceptor ? electron transport
chain ? P700, primary electron
acceptor ? electron transport
chain ? NADPH - Dwater ? P700 ? primary electron
acceptor ? P680, primary
electron acceptor ? electron
transport chain ? NADPH
- APhotosystem I? Primary electron
10The three phases of the Calvin cycle
are _____.- Acarbon dioxide uptake,
carbon reduction, and
RuBp regeneration - BPGA phosphorylation,
G3P rearrangement,
glucose synthesis - Ccarbon dioxide uptake,
carbon reduction, and
glucose synthesis - DRuBp uptake,
phosphoglycerate
reduction, and RuBp
regeneration
- Acarbon dioxide uptake,
11What are the roles of ATP and NADPH
in the Calvin cycle?- ABoth molecules provide
energy. - BBoth molecules provide
high-energy electrons. - CNADPH provides
energy and ATP
provides high-energy
electrons. - DATP provides energy
and NADPH provides
high-energy electrons.
- ABoth molecules provide
12Photorespiration reduces photosynthetic
efficiency because _____.- Athe active site of
rubisco can bind
only CO2 - Bit removes some of
the intermediates
used in the Calvin
cycle - Cit requires oxygen
and light - Dit produces only low
levels of ATP
- Athe active site of
13The main difference between photoautotrophs and chemoheterotrophs is that _____.
- Achemoheterotrophs feed themselves
using photosynthesis while
photoautotrophs ingest organic
molecules - Bchemoheterotrophs obtain energy
from light and carbon from organic
compounds, while photoautotrophs
obtain energy and carbon by
photosynthesis - Cchemoheterotrophs obtain their
energy from oxidizing reduced
inorganic molecules while
photoautotrophs oxidize reduced
inorganic molecules - Dphotoautotrophs obtain their energy
and carbon from photosynthesis while
chemoheterotrophs obtain carbon
and energy from organic molecules
- Achemoheterotrophs feed themselves
Informações
- Descrição
- Quiz sobre Ch. 8 quiz, criado por Tyanna Lewis em 30-09-2015.
- Autor
- Tyanna Lewis
- Idioma
- English
- Visualizações
- 3
- Avaliação
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