MICRO ORGANISMS QUIZ

The five-kingdom system of classification was set up by

Robert Koch

Louis Pasteur

Masaki Ogata

Robert Whittaker

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The membranes of which domains are chemically the most similar?

Archaea and Bacteria

Bacteria and Eukarya

Eukarya and Archaea

membranes of all three domains are chemically identical

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Who discovered the bacteria that cause cholera?

Robert Koch

Louis Pasteur

Pierre Berthelot

Rudolf Virchow

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Primary differences between cilia and flagella are

length and location of basal bodies

arrangement of microtubules

number, length and direction of force

how the microtubules are fused to each other

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Which of the following sequences has helped in identifying eukaryotes, eubacteria and archeabacterial cell types?

Signature sequence

Signal sequence

Amino acid sequence

Shine-Dalgarno sequence

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One of the reasons for the evolutionary success of the kingdom Monera is that its members are nutritionally diverse. Which of the following(s) is/are the way(s) of obtaining energy?

Photoautotrophy

Photoheterotrophy

All of these

Chemoheterotrophy

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A characteristic of protein synthesis in both the archaea and eukarya is

proteins are synthesized from D-, rather than L-, isomers of amino acids

the initiator tRNA is charged with N-formyl-methionine

transcription and translation are coupled

translation is inhibited by diphtheria toxin

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Which of the following is not true for prokaryotic organism?

Cell wall contains peptidoglycan as one of the major component

Chromosomes does not contain histones

80S ribosomes are distributed in cytoplasm

Nucleus is not bounded by nuclear membrane

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Eukaryotic micro organisms include

all of these

algae

fungi

protozoa

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The three domain version of life on earth is based on the

morphological traits

characteristics of the cell wall

nucleic acid sequence data

metabolic traits

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