MCQ Questions
Q.1.
What happens during anaphase1
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    haploid generation, reduction division upto fertilization, lower forms and becomes reduced and dependent in higher plants,gametes which on fusion produce sporophyte
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    CO2 is reduced
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    Homologs separte and migrate toward opposite poles
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    prevents G-protein in activation which leads to the continous production of cAMP
Q.2.
Why is the cirtric acid cycle called a cycle
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    Sexual reproduction involves the two alternating processes of meiosis and fertilization
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    specialized cells release hormone molecules into the circulatory system, permitting distant cells to be affected.
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    because the 4 carbon acid that accepts the acetyl CoA in the st step of the cycle is regented by the last step of the cycle
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    Oxygen atoms has a higher affinity for electrons than carbon atoms
Q.3.
In a rosebush, chlorophyII is located in ___________.
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    Thylakoids which are in chloroplasts in the mesophyll cells of a leaf
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    transport electron from photosystem II to photosystem I
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    WATER: the splitting of water provides the source of electron of photosystems 11
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    the flow H+ across a membrane through the ATP synthase enzyme
Q.4.
Where do the electrons needed by photosystem II originate ?
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    Water
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    water ... NADPH
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    WATER: the splitting of water provides the source of electron of photosystems 11
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    The calvin cycle
Q.5.
The ATP synthese in a human cell obtains enery for makimg ATP directly from
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    Thylakoids which are in chloroplasts in the mesophyll cells of a leaf
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    affect the membrane potential
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    the flow H+ across a membrane through the ATP synthase enzyme
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    NADH< ELETRON TRANSPORT PROTON GRADIENT CHEMIOSMOSIS
Q.6.
The binding of a signal molecule to a ligand gated ion channel ________
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    water ... NADPH
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    affect the membrane potential
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    extract usable energy from gluocse
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    take unused energy from glucose
Q.7.
During respration in the eukaryotic cell reaction of glycolysis
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    Oxygen (O2)
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    Glucose
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    the Cytosol
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    The calvin cycle
Q.8.
What is Gametophyte ?
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    Light reactions are reactions which are initiated by light (also photoinduced reactions). Generally light energy is converted into chemical energy
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    prevents G-protein in activation which leads to the continous production of cAMP
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    Homologs separte and migrate toward opposite poles
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    haploid generation, reduction division upto fertilization, lower forms and becomes reduced and dependent in higher plants,gametes which on fusion produce sporophyte
Q.9.
What happens during the Calvin cycle?
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    Homologs separte and migrate toward opposite poles
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    Sexual reproduction involves the two alternating processes of meiosis and fertilization
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    CO2 is reduced
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    photorespiration
Q.10.
_____ has a longer wavelength than _____.
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    photosynthesis.
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    glycolysis
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    CO2 is reduced
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    Red ... green
Q.11.
In eukaryotic cell ____ is a a second messager that is produced as a response to am external signal such as a hormone?
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    Carbon Dioxide
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    cytoplasm
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    Cyckio AMP
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    Ligand- gated
Q.12.
What wavelengths of light absorbed by pigments in the granum are mainly in which range
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    an action spectrum
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    Sugar molecules and in water
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    Blue- Violet and Red Orange
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    NADH< ELETRON TRANSPORT PROTON GRADIENT CHEMIOSMOSIS
Q.13.
In photosynthesis what is the fate of the oxygen atoms present in CO2? They end up ____.
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    Blue- Violet and Red Orange
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    Sugar molecules and in water
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    the (inner ) thylakoid space
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    their eletrons become excited.
Q.14.
The distance between the crests of waves is called
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    photorespiration
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    Water
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    glycolysis
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    wavelength
Q.15.
Why do the oxidation of organic compounds by molecular oxygen (O2) yeilds so much energy?
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    Oxygen atoms has a higher affinity for electrons than carbon atoms
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    Rapidly move throughout the cell by diffuision
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    Oxygen (O2)
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    there are diffrences in the proteins found in the two types of cells
Q.16.
Carbon fixation involves the addition of carbon dioxide to _____.
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    Stroma
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    ATP
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    RuBP
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    Water
Q.17.
During the reaction C6H12O6+6O2 =6CO2 +6H2O which compound is reduced as a result of reaction
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    Oxygen (O2)
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    Carbon Dioxide
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    GlucoseCarbon Dioxide
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    Oxygen atoms has a higher affinity for electrons than carbon atoms
Q.18.
During the reaction C6H12O6+6O2 =6CO2 +6H2O what is oxidized?
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    GlucoseCarbon Dioxide
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    Glucose
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    Water
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    glycolysis
Q.19.
Where do the eletrons needed by photosystems originate
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    Water
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    Oxygen atoms has a higher affinity for electrons than carbon atoms
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    because the 4 carbon acid that accepts the acetyl CoA in the st step of the cycle is regented by the last step of the cycle
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    WATER: the splitting of water provides the source of electron of photosystems 11
Q.20.
During photosynthesis an electron transport chain is used to _______
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    transport electron from photosystem II to photosystem I
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    Sugar molecules and in water
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    Rapidly move throughout the cell by diffuision
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    the flow H+ across a membrane through the ATP synthase enzyme