Related InterviewSolutions

• Bacterial conversion of organic nltrogenous or protein matter into ammonium com- pounds is calledA. denitrificationB. nitrificationC. ammonificationD. nitrogen fixation
• The bacteria which can trap solar energy for synthesizing ATP but can not utilize it for making food areA. thermophilesB. thermoacidophilesC. methanogensD. halophiles
• The hydrogen donor in bacterial photosyn- thesis is usuallyA. `H_2O`B. `H_2S`C. `NH_3`D. `HNO_3`
• Dacay by bacteria isA. aerbic breakdown of any organic matterB. aerobic breakdown of inorganic matterC. anaerobic breakdown of organic matter with foul odourD. aerobic breakdown of proteins.
• Beggiatoa oxidisesA. `H_2S` to SB. `SO_4` to SC. both correctD. `Fe^(++) to Fe^(+++)`
• Mycoplasma are not viruses in nature becauseA. these contain both DNA and RNA in the same cellB. these can not be grown artificially in cultures alsoC. they are not sensitive to antibioticsD. all of the above
• Nitrosomonas is aA. chemolithotrophB. chemoheterotrophC. autotrophD. heterotroph
• Nitrosomonas and Nitrococcus oxidiseA. Nitrate to nitrogenB. `CO_2` to carbohydratesC. `N_2" to "NO_3`D. `NH_3` to nitrite
• Pleuro-pneumonia like organisms are grouped underA. prokaryotesB. eukaryotesC. fungiD. viruses
• Nuclear membrane is absent inA. AgaricusB. VolvoxC. NostocD. Penicillium