Thermococcus,Methanococcus and Methanobacterium are
Archaebacteria having eukaryotic histone homologue
Bacteria with cytoskeleton
Archaebacteria with negatively supercoiled DNA as eukaryotes but lacking histones
Bacteria having positively coiled DNA, cytoskeleton, mitochondria
Related Questions
Photosynthetic Bacteria have Pigments in
Chromatophores
Leucoplast
Chromoplast
Chloroplast
Methanogens belong to which of the following groups?
Eubacteria
Archaebacteria
Protista
Fungi
Analyse the following statements regarding cyanobacteria and identify the correct option given below
I. The cyanobacteria are unicellular, colonial or filamentous, marine or terrestrial algae
II. The colonies of cyanobacteria are generally surrounded by gelatinous sheath
Codes
Only I
Only II
I and II
None of these
Bacteria are considered plants because they
Are green in colour
Have rigid cell wall
Have chlorophyll
Have stomata
Nitrifying bacteria are able to
Convert atmospheric nitrogen into soluble forms
Convert ammonia to nitrate
Ammonia to nitrogen
Nitrate to nitrogen
Which of the following can fix atmospheric nitrogen?
Albugo
Cystopus
Saprolegnia
Anabaena
Pasteurization is
Heating of liquid at 65°C
Heating of liquid between 65°C to 80°C followed by rapid cooling
Heating of solid at 65°C
None of the above
Some of the cyanobacteria blue green algae can fix atmospheric nitrogen in specialised cells called
Akinetes
Heterocyst
Endospores
Homocyst
Harmogonia are reproductive structures of
Spirogyra
Ulothrix
Anabaena
Yeast
Chlorophyll-α absent, in which of the following photosynthetic organisms?
Cyanobacteria
Red algae
Brown algae
Bacteria
