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    CBSE

    Subject

    Biology
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    NEET Biology : Molecular Basis of Inheritance

    Multiple Choice Questions

    231.

    Sequence of DNA (Non- coding) is known as:

    • exon

    • intron

    • cistron

    • none

    Answer
    • 232.

    Enzyme required for transcription is

    • RNAse

    • Endonuclease

    • RNA polymerase

    • DNA polymerase

    Answer
    • 233.

    Which is called soluble RNA ?

    • rRNA

    • tRNA

    • mRNA

    • hnRNA

    Answer
    • 234.

    Which of the following constitute about 10-20% of total circular RNA?

    • m-RNA

    • r -RNA

    • t-RNA

    • hn -RNA

    Answer
    • 235.

    A eukaryotic gene contains two kinds of base sequences. Which of these plays an important role in protein synthesis?

    • Introns

    • Exons

    • Both 'a' and 'b'

    • None of the above

    Answer
    • 236.

    The number of hydrogen bonds between adenine and thymine in a DNA molecule is :

    • two

    • three

    • four

    • eight

    Answer
    • 237.

    Mutation is more common when it is present in:

    • dominant condition

    • recessive condition

    • constant in population

    • none of the above

    Answer
    • 238.

    In DNA, which is absent :

    • Adenine

    • Thymine

    • Guanine

    • Uracil

    Answer
    • 239.

    The process of multiplication of DNA from DNA is known as

    • replication

    • transversion

    • transcription

    • translation

    Answer
    • 240.

    In DNA, which is absent ?

    • Adenine

    • Guanine

    • Uracil

    • Cytosine

    Answer
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