BIOLOGY CLASS-9TH (MCQs=2966)

Choose the most likely CORRECT match pair in the following options…….
a) main source of energy: earth       
b) main source of energy: sun
c) main source of energy: galaxy    
d) main source of energy: moon

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Choose the most likely CORRECT match pair in the following options…….
a) oxidation: loss of O2      
b) oxidation: gain of H2
c) reduction: gain of O2                     
d) reduction: gain of H2

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Choose the most likely CORRECT match pair in the following options…….
a) oxidation: gain of O2   
b) oxidation: gain of H2
c) reduction: loss of electron            
d) reduction: loss of H2

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Choose the most likely CORRECT match pair in the following options…….
a) oxidation: loss of O2 
b) oxidation: gain of H2
c) reduction: gain of O2                     
d) reduction: gain of electron

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Choose the most likely CORRECT match pair in the following options…….
a) oxidation: loss of O2
b) oxidation: loss of H2
c) reduction: gain of O2
d) reduction: loss of H2

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Choose the most likely CORRECT match pair in the following options…….
a) oxidation: gain of O2
b) oxidation: loss of electron
c) oxidation: loss of H2      
d) all of these

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