NEET Biology Solved Question Paper 2005

Multiple Choice Questions

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Non-coding sequences of DNA are:

  • exon

  • intron

  • rhizoids

  • cistron

A.

exon

A segment of DNA that is both transcribed into RNA and translated into protein is called exon whereas the segment of DNA that is transcribed from eukaryotic DNA but removed before the mature m-RNA is translated into protein is called Introns.

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

    • m-RNA

    • r -RNA

    • t-RNA

    • hn -RNA

    Answer

    Aleuron layer is found in :

    • embryo

    • nucellus

    • endosperm

    • endodermis

    Answer

    Innitiation codon is :

    • AUG

    • UUU

    • UAG

    • AAG

    Answer

    Pollination occuring from one flower to another of same plant is :

    • autogamy

    • allogamy

    • geitenogamy

    • none of these

    Answer
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    By anaerobic process, the cow dung is used to produce :

    • methane

    • butane

    • ethane

    • propane

    Answer

    Which statement is incorrect ?

    • Plant viruses contain RNA

    • Animal viruses contain DNA

    • T4 contains double strand DNA

    • TMV contains double stranded RNA

    Answer

    Living in same habitat organisms of same species from:

    • biosphere

    • community

    • population

    • niche

    Answer

    'Heterosis' is related to :

    • cloning

    • selection

    • hybridization

    • introduction

    Answer
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    Jumping genes in maize were discovered by:

    • Hugo de Vries

    • T.H. Morgan

    • Barbara McClintock

    • Mendel

    Answer