Pneumonia affects which of the following organs of human body?
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Blood group AB has
Name the drug that is yielded from Cinchona tree and is used to cure malaria.
In which part of the cell are proteins made?
Some roots, called _________________, arise from an organ other than the radicle.
Which of the following is not correct?
Animals belonging to phylum _____________ are fundamentally characterised by the presence of a notochord, a dorsal hollow nerve cord and paired pharyngeal gill slits.
Which of the following induces nitrogen fixation in soil?