NEET Biology Solved Question Paper 2009

Multiple Choice Questions

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DNA sequences that code for protein are known as

  • introns

  • exons

  • control regions

  • intervening sequences

B.

exons

An exon is any part of a gene that will encode a part of the final mature RNA produced by that gene after introns have been removed by RNA splicing. The term exon refers to both the DNA sequence within a gene and to the corresponding sequence in RNA transcripts.

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    Which one of the following is a systematic insecticide

    • Malathion

    • Endrin

    • Parathion

    • Furadan

    Answer

    Identify the correct type of food chain

    Dead animal > Blow fly maggots > Common frog > Snake

    • Grazing food chain

    • Detrital food chain

    • Decomposer food chain

    • Predator food chain

    Answer

    Seedless banana is

    • parthenocarpic fruit

    • multiple fruit

    • drupe fruit

    • true fruit

    Answer

    The wild-life protection act was introduced in

    • 1972

    • 1981

    • 1986

    • 1991

    Answer
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    Which is the correct sequence of arrangement of types of WBC in decreasing order in terms of number per mm3 of human blood

    • Eosinophils > Basophils > Neutrophils

    • Basophils > Eosinophils > Neutrophils

    • Neutrophils > Eosinophils > Basophils

    • Eosinophils > Neutrophils > Basophils

    Answer

    In honey, the percentage of maltose and other sugar is

    • 9.2

    • 8.81

    • 10.5

    • 11.2

    Answer

    The intensity levels of whispering noise is

    • 10-15 dB

    • 20-40 dB

    • 45-50 dB

    • 50-55 dB

    Answer

    Which is not applicable to the biological species concept

    • Hybridization

    • Natural population

    • Reproductive isolation

    • Gene pool

    Answer
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    In AIDS, HIV kills

    • Antibody molecule

    • T-helper cell

    • Bone-marrow cells

    • T-cytotoxic cell

    Answer