Gk Quiz 5

1.Brass gets discoloured in air because of the presence of which of the following gases in air ? 
Nitrogen 
Carbon dioxide 
Hydrogen sulphide 
Oxygen 
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2.Which of the following is a non metal that remains liquid at room temperature ? 
Helium 
Bromine 
Chlorine 
Phosphorous 
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3. On a molecular level, why is water such a good solvent ? 
It is wet 
It is polar 
It is non-polar 
It contains hydrogen and hydrogen itself is a good solvent 
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4. 6.02 x 10^23 represents which number ?
Omega constant 
Euler's function 
Avogadro's number 
Ramanujan number 
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5. The genotype for skin colour can be expressed as--
Aa 
AaBbCc 
AaBbCcAa 
AaBBccc 
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6. If you change the OH- group of glycerol to NO2, which substance will be formed ? 
Ozone 
Salt 
Nitroglycerin 
Water 
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7. Glycolysis is the process of breaking glucose down into what ? 
Pyruvate 
Carbon 
Glycerol 
Pyrite 
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8. The _________ controls involuntary body functions such as breathing and heart rhythms.
Occipital lobe 
Medulla oblongata 
Cerebellum 
Frontal lobe 
See Answer:

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9. The Fibonacci Sequence is an example of which kind of formula ?
Recursion 
Geometric 
Arithmetic 
No formula 
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10. Which organelle is responsible for carrying proteins to amino acid chains during DNA synthesis?
Lungs 
mRNA 
Ribosomes 
Cell wall 
See Answer:

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