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    CBSE

    Subject

    Biology
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    NEET Biology : Molecular Basis of Inheritance

    Multiple Choice Questions

    121.

    Jumping genes in maize were discovered by

    • Hugo de Vries

    • Barbara McClintock

    • T H Morgan

    • Mendel

    Answer
    • 122.

    The back bone of RNA consists of which of the following sugar?

    • Deoxyribose

    • Ribose

    • Sucrose

    • Maltose

    Answer
    • 123.

    Which of the following is not a Pyrimidine?

    • Thymine

    • Uracil

    • Guanine

    • Cytosine

    Answer
    • 124.

    Repressor protein is produced by

    • regulator gene

    • operator gene

    • structural gene

    • promoter gene

    Answer
    • 125.

    DNA mutiplication is called

    • translation

    • replication

    • transduction

    • transcription

    Answer
    • 126.

    Balbiani rings are the structural features of

    • allosomes

    • polytene chromosomes

    • autosomes

    • lampbrush chromosomes

    Answer
    • 127.

    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 these

    Answer
    • 128.

    DNA element with ability to change position is called

    • cistron

    • transposon

    • intron

    • recon

    Answer
    • 129.

    Initiation codon is

    • UUU

    • UGA

    • AUG

    • UAG

    Answer
    • 130.

    Stop codons are

    • AUG, GUG

    • UAA, UGA, UAG

    • UAC, UGG

    • AGU, AGA, UAC

    Answer
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