A pure substance can only be
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The presence or absence of hydroxy group on which carbon atom of sugar differentiates RNA and DNA ?
RNA has hydroxy group attached at the 2nd C-atom while DNA does not.
Which one of the following does not contain Silver ?
The country's first 'brain bank' that can store up to 300 human brains has been opened at
Rearrange the parts of the sentence in correct order.
They are even poorerP-failure will depriveQ-them of jobs altogetherR-than farmers; and crop
Which of the following has the highest frequency?
Find the acceleration (in m/s2) produced in a body of mass 2 kg when a force of 8 N is applied on it.
Only a country not yet rid
P-of its colonial hangoverQ-and controls, labels dissent as seditiousR-of a government that commands