NEET Biology Solved Question Paper 2008

Multiple Choice Questions

Advertisement
Zigya App

Nitrifying bacteria are able to

  • convert atmospheric nitrogen into soluble forms

  • convert ammonia to nitrate

  • ammonia to nitrogen

  • nitrate to nitrogen

B.

convert ammonia to nitrate

Most of the ammonia produced in the soil is acted upon by nitrifying bacteria. Ammonia is changed to nitrate. The reaction occurs in two steps nitrite formation (eg, Nitrosomonas) and nitrate formation (eg, Nitrobacter).

  • Switch
    • Advertisement

    Study of Ecology of population is called

    • Autecology

    • Synecology

    • Ecotype

    • Demecology

    Answer

    Bio- indicators are used for

    • oxygen demand

    • air pollution

    • mineral present

    • All of the above

    Answer

    Which of the following is not a Pyrimidine?

    • Thymine

    • Uracil

    • Guanine

    • Cytosine

    Answer

    RNA is not found in

    • chromosome

    • plasmalemma

    • nucleolus

    • ribosome

    Answer
    Advertisement

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

    • 2008

    • 2010

    • 2012

    • 2018

    Answer

    Retrovirus have genetic material

    • DNA only

    • RNA only

    • DNA or RNA only

    • either DNA or RNA

    Answer

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

    • Saccharomyces 

    • Neurospora crassa

    • Lathyrus odoratus

    • Claviceps

    Answer

    A lake with nutrients is called

    • trophic

    • euphotic

    • oligotrophic

    • eutrophic

    Answer
    Advertisement

    Stop codons are

    • AUG, GUG

    • UAA, UGA, UAG

    • UAC, UGG

    • AGU, AGA, UAC

    Answer