NEET Biology Solved Question Paper 2008

Multiple Choice Questions

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Stop codons are

  • AUG, GUG

  • UAA, UGA, UAG

  • UAC, UGG

  • AGU, AGA, UAC

B.

UAA, UGA, UAG

UAG, UAA, UGA are three stop codons or non- sense codons. They do not code for any amino acid.

AUG works as an initiation codon in both prokaryotes and eukaryotes. In rare cases, GUG is used as an initiation codon in bacterial protein synthesis.

AUG is used to code for tyrosine, UGG codes for tryptophan, AGU codes for serine and AGA codes for argenine.

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    Which of the following is not a Pyrimidine?

    • Thymine

    • Uracil

    • Guanine

    • Cytosine

    Answer

    Retrovirus have genetic material

    • DNA only

    • RNA only

    • DNA or RNA only

    • either DNA or RNA

    Answer

    RNA is not found in

    • chromosome

    • plasmalemma

    • nucleolus

    • ribosome

    Answer

    A lake with nutrients is called

    • trophic

    • euphotic

    • oligotrophic

    • eutrophic

    Answer
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    According to Kyoto protocol the major nations abide to reduce concentration of green house gases by

    • 2008

    • 2010

    • 2012

    • 2018

    Answer

    Bio- indicators are used for

    • oxygen demand

    • air pollution

    • mineral present

    • All of the above

    Answer

    Nitrifying bacteria are able to

    • convert atmospheric nitrogen into soluble forms

    • convert ammonia to nitrate

    • ammonia to nitrogen

    • nitrate to nitrogen

    Answer

    One gene- one enzyme hypothesis of Beadle and Tatum was experimentally proved on

    • Saccharomyces 

    • Neurospora crassa

    • Lathyrus odoratus

    • Claviceps

    Answer
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    Study of Ecology of population is called

    • Autecology

    • Synecology

    • Ecotype

    • Demecology

    Answer