NEET Biology Solved Question Paper 2009

Multiple Choice Questions

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Decomposers are

  • autotrophs

  • autoheterotrophs

  • organotrophs

  • heterotrophs

C.

organotrophs

Decomposers are organotrophs, ie, they feed on dead bodies of organisms and organic wates of living organism.

Producers are photosynthetic or autotrophic plants which are able to synthesize organic food from inorganic raw materials with the help of solar radiations.

Heterotrophs are also known as organotrophs.

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    Streptomycin is obtained from

    • Streptomyces griseus

    • S. aureofaciens

    • S. venezuelae

    • S. ramosus

    Answer

    DNA element with ability to change position is called

    • cistron

    • transposon

    • intron

    • recon

    Answer

    Initiation codon is

    • UUU

    • UGA

    • AUG

    • UAG

    Answer

    DNA mutiplication is called

    • translation

    • replication

    • transduction

    • transcription

    Answer
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    Which is always present in photochemical smog?

    • O3

    • CO2

    • SO2

    • CH4

    Answer

    The soil which is transported by wind is known as

    • colluvial

    • eolian

    • aluvial

    • glacial soil

    Answer

    Lichen is the pioneer vegetation on which succession?

    • Hydrosere

    • Lithosere

    • Psammosere

    • Xerosere

    Answer

    In Pinus, male cone bears a large number of

    • ligules

    • anthers

    • micro- sporophylls

    • mega- sporophylls

    Answer
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    Cleavage polyembryony occurs in

    • Pinus

    • Mini Cycas

    • Cycas

    • Ephedra

    Answer