Test
Bio Ch6
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Preguntas del test (27)
1How much of the radiant energy from the sun is incorporated into organic compounds in the process of photosynthesis?
- AAlmost 90%
- B50%
- C25%
- D1% or less
2The full range of energy in sunlight can best be described as
- Athe electromagnetic spectrum.
- Bvisible light.
- Cultraviolet light.
- Dinfrared radiation.
3During photosynthesis,ATP molecules are directly generated by
- Athe Calvin cycle.
- Bchemiosmosis
- Cthe splitting of water.
- Dlight striking the chlorophyll molecules.
4The overall purpose of the Calvin cycle is to
- Agenerate molecules of ATP.
- Bgenerate NADP.
- Cgive off oxygen for animal use.
- Dbuild organic molecules.
5When carbon dioxide is low in the leaf,the Calvin cycle cannot proceed efficiently,and the result is
- Alight-independent reactions.
- Bshutting down photosynthesis.
- Cphotorespiration.
- Dcellular respiration.
6C4 photosynthesis is an adaptation to hot,dry conditions in which
- ACO2 is fixed and concentrated in the leaf.
- Bwater is stored in the stem.
- Coxygen is stored in the root.
- Dlight energy is stored in chloroplasts.
7Within chloroplasts,the fluid-like matrix in which the Calvin cycle occurs is called
- Athylakoids.
- Bgrana.
- Cstroma.
- Dmesophyll.
8Light energy arrives at earth in tiny packets called
- Arays.
- Bphotons.
- Clight waves.
- Dwavelengths.
9Plants absorb ______ and _________ wavelengths of light and reflect _______ wavelengths.
- Agreen,red,blue
- Bgreen,blue,red
- Cred,blue,green
- Dwhite,green,blue
- Ewhite,green,red
10Most of the atmospheric oxygen occurs as a result of photosynthesis.From which of the following molecules is the oxygen derived?
- ACarbon dioxide
- BWater
- CGlucose
- DChlorophyll
- ENADH
11Chlorophylls are important to many plants because these pigments are able to
- Aremove carbon dioxide from the air.
- Babsorb water so that hydrolysis can be carried out in the chloroplasts.
- Cabsorb red and blue wavelengths of light very efficiently.
- Dcapture UV radiation that is harmful to the DNA in the nucleus of plant cells.
- Estore electrons for use during the "dark" reaction of photosynthesis.
12Which wavelength of light is the shortest?
- AGamma rays
- BX-rays
- CUV light
- DVisible light
- EInfrared
13When something appears blue,it is absorbing all colors except __________.
- Ayellow
- Bred
- Cblue
- Dgreen
- Eorange
14Which is incorrect about photosynthesis?
- AThe light reactions take place in the cytoplasm and the dark reactions occur in the chloroplast.
- BThe light-independent reactions don't require light but can occur in its presence.
- CThe light-dependent reactions produce NADPH and ATP.
- DThe light-dependent reactions release oxygen.
- EPhotosystems act as antennae to capture photons.
15Which of the following does not participate in the Calvin cycle?
- AATP
- BCO2
- CNADPH
- DO2
- EAll participate in the Calvin cycle.
16Photosynthetic pigments are embedded into the membranes of flattened sacs within chloroplasts called
- Amatrices.
- BGolgi bodies.
- Cstroma.
- Dcristae.
- Ethylakoids.
17How many turns of the Calvin cycle are needed to make one glucose molecule?
- A1
- B2
- C3
- D5
- E6
18Within the photosystem,the key chlorophyll molecule that donates a high-energy electron to the electron transport system is called the
- Aproton pump.
- BATP synthase.
- Crubisco
- Dreaction center.
- Eretinal
19Which of the following is not located on a thylakoid membrane?
- ARubisco
- BChlorophyll
- CPhotosystem
- DElectron transport system
- EATP synthase
20Molecules that absorb light energy are called
- Apigments
- Bthylakoids
- Cenzymes
- Delectron transport systems.
- Egrana
21After hydrogens and electrons are stripped from NADPH,NADP+ is regenerated and can be used again in the
- Aantenna complex.
- Bthe Calvin cycle.
- Cthe Krebs cycle.
- Dthe light-dependent reactions.
- Ethe light-independent reactions.
22In chemiosmosis,a(n)_________ gradient drives the production of ATP using ATP synthase channels.
- Apigment
- Bchlorophyll
- Cproton
- Delectron
- ENADPH
23Which of the following does not conduct photosynthesis?
- AAlgae
- BLeaves of plants
- CSome bacteria
- DRoots of plants
- ENone of the choices are correct.
24The energy to power the Calvin cycle comes from
- Acellular respiration.
- Bthe light-dependent reactions of photosynthesis.
- Cthe light-independent reactions of photosynthesis.
- Doxygen
- Echlorophyll.
25The substrates for photosynthesis are light energy,
- Awater,and oxygen.
- Boxygen,and carbon dioxide.
- Cwater,and carbon dioxide.
- DATP,and oxygen.
- Eglucose,and carbon dioxide.
26The main products of photosynthesis are
- Aglucose and oxygen.
- Bglucose and carbon dioxide.
- Ccarbon dioxide and water.
- Dwater and oxygen.
- EATP and oxygen.
27Three turns of the Calvin cycle produces
- Aglucose
- Boxygen
- Cglyceraldehyde 3-phosphate.
- Drubisco
- E3-phosphoglyerate.
Información
- Descripción
- Undergraduate Biology Test sobre Bio Ch6, creado por Kerem Abukaraki el 03/12/2021.
- Autor
- Kerem Abukaraki
- Idioma
- English
- Visitas
- 3
- Etiquetas
- Valoración
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