Related Questions

    1.

    The methanogens, a unique group within Archaebacteria, are characterized by their ability to:

    A

    Perform photosynthesis using bacteriochlorophyll

    B

    Produce methane as a metabolic byproduct

    C

    Fix atmospheric nitrogen in aerobic conditions

    D

    Survive extreme high pH environments

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    4.

    Thermococcus,Methanococcus and Methanobacterium exemplify

    A

    Archaebacteria that contain protein homologous to eukaryotic core histones

    B

    Archaebacteria that lack any histones resembling those found in eukaryotes but whose DNA is negatively supercoiled

    C

    Bacteria whose DNA is relaxed or positively supercoiled but, which have a cytoskeleton as well as mitochondria

    D

    Bacteria that contain a cytoskeleton and ribosomes

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    8.

    Red Sea is red due to:

    A

    Red tides By Protistans

    B

    Red Algae like Sargassum

    C

    Blue green algae like Trichodesmium

    D

    Iron Salts in Gonyaulax

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    9.

    Myxomycetes are

    A

    Saprobes or parasites having mycelia, asexual reproduction by fragmentation and sexual reproduction by fusion of gametes

    B

    Slimy mass of multinucleate protoplasm, having pseudopodia like structures for engulfing food, reproduction through fragmentation or zoospores

    C

    Prokaryotic organisms, cellular or acellular, saprobes or autotrophic, reproduce by binary fission

    D

    Eukaryotic, single-celled or filamentous, saprobes or autotrophic, asexual reproduction by division of haploid individuals, sexual reproduction by fusion of two cells or their nuclei

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