NEET UG Microbes in Human Welfare — practice questions
70 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice NEET UG Microbes in Human Welfare in the app →The puffed-up appearance of bread / idli / dosa dough is due to:The 'large holes' in Swiss cheese are produced by:'Toddy' — a traditional fermented drink of southern India — is made from:Among the following beverages, which is produced WITHOUT distillation?Antibiotics are best defined as:Streptokinase, used as a 'clot buster' for myocardial infarction patients, is produced by:Citric acid is produced industrially by:Cyclosporin A — an immunosuppressive drug used in organ transplantation — is produced by:In sewage treatment, the **primary treatment** is essentially:
The 'activProduction of acetic acid (vinegar) industrially uses:Which of the following is the primary advantage of using biocontrol agents (like Bt, Trichoderma, baculoviruseAnabaena and Nostoc are examples of:Curd is formed from milk by the action ofThe puffed-up appearance of dosa/idli batter is due to production ofThe characteristic large holes in Swiss cheese are due to a large amount of CO₂ produced byPenicillin was discovered byWhich yeast is used to ferment cereals and fruit juices to produce ethanol (also used for bread-making)?BOD (Biochemical Oxygen Demand) is best defined asIn sewage treatment, the "flocs" formed in aeration tanks areThe gas biogas is composed predominantly ofA common bacterium among the methanogens producing biogas from cattle dung isStatins, blood-cholesterol lowering agents, are produced byCyclosporin A, used as an immunosuppressive agent in organ transplant patients, is produced byStreptokinase, used as a clot buster in myocardial infarction, is obtained fromThe organism Aspergillus niger is used to produce which industrial product?Primary sewage treatment is characterised byBacteria in the cattle rumen play a crucial role in digestion ofMilk is converted into curd by which micro-organism?The puffed up appearance of dough is caused by:The yeast used in baking and brewing is:The first antibiotic to be discovered was:Penicillin was discovered by:Municipal waste water is also called:The gas produced by microbes from dung and used as fuel is:Lactic acid bacteria coagulate milk protein by producing:The large holes in Swiss cheese are produced by:Penicillin was named after which mould?Cyclosporin A is obtained from which organism?BOD stands for biochemical oxygen:Sewage is treated until its BOD is:Bacteria that produce methane in a biogas plant are called:A common methane producing bacterium is:Biogas made from cattle dung is commonly called:The fungus developed as a biological control for plant disease is:Baculoviruses are used as biological control agents against:Root nodules of legumes are formed by symbiosis with:Cyanobacteria such as Anabaena serve as biofertilisers in:Milk is turned into curd by bacteria called:Lactic acid bacteria set milk by producing:A small amount of curd added to fresh milk acts as a:Curd improves nutrition by increasing a vitamin of the group:The puffed up look of dosa and idli dough comes from:Bread dough is fermented using baker's:Toddy is a traditional drink made by fermenting sap from:Swiss cheese gets its large holes from which gas:Roquefort cheese is ripened by growing on it a specific:Penicillin was discovered by chance by:Penicillin takes its name from the mould:Penicillin's full potential was established by Howard Florey and:Penicillin was used extensively to treat soldiers wounded in:Fleming, Chain and Florey received the Nobel Prize in:Sewage treatment begins with a stage that removes particles by:Solids settling out in primary treatment form the primary:In secondary treatment the effluent goes into large tanks that are:Masses of bacteria with fungal filaments in aeration tanks are called:The sediment settling after secondary treatment is called activated:The remaining sludge is digested in tanks that are:Biogas produced from dung is commonly called:Bacteria producing biogas are known as: