suitable for drinking as impurities are only about . per cent . Select the correct statement from the following [AIPMT PRE ] a) Biogas is produced by the activity of aerobic bacteria on animal waste b) Methanobacterium is an aerobic bacterium found in rumen of cattle c) Biogas, commonly called gobar gas, is pure methane d) Activated sludge-sediment in settlement tank of sewage treatment plant is a right source of aerobic bacteria . Read the following four statements (A to D): [AIPMT MAINS ] a) Colostrum is recommended for the new born because it is rich in antigen b) Chikungunya is caused by a gram negative bacterium c) Tissue culture has proved useful in obtaining virus-free plants.
d) Beer is manufactured by distillation of fermented grape juice How many of the above statements are wrong? a) Three b) Four c) One d) Two . Which of the following are likely to be present in deep sea water? [AIPMT ] a) Archaebacteria b) Eubacteria c) Blue – green algae d) Saprophytic fungi .
During sewage treatment, biogas are produced which includes [AIPMT ] a) Methane, hydrogen sulphide, carbon dioxide b) Methane, oxygen, hydrogen sulphide c) Hydrogen sulphide, methane, sulphur dioxide d) Hydrogen sulphide, nitrogen, methane . What gases are produced in anaerobic sludge digesters? [AIPMT ] a) Methane and CO only b) Methane, hydrogen sulphide and CO c) Methane, hydrogen sulphide and O d) Hydrogen sulphide and CO . Match the following list of microbes and their importance: [RE-AIPMT ] a) Saccharomyces cerevisiae (i)Production of immunosuppressive agents b) Monasus purpureus (ii)Ripening of Swiss cheese c) Trichoderma polysporum (iii)Commercial production of ethanol d) Propionibacterium shermanii (iv)Production of blood- cholesterol lowering agents.
e) (iv) (iii) (ii) (i) f) (iv) (ii) (i) (iii) g) (iii) (i) (iv) (ii) h) (iii) (iv) (i) (ii) . Which of the following is wrongly matched in the given table? [NEET – I, ] Microbe Product Application (a) Trichoderma polysporum Cyclosporin A Immunosuppressive drug (b) Monascus purpureus Statins Lowering of blood cholesterol (c) Streptococcus Streptokinase Removal of clot from blood vessel (d) Clostridium butylicum Lipase