Objective Questions

Questions (990)

#	Question	Topic	Actions
101	Mycotoxins are produced by	Mib compilations3	View
102	Which of these is not true about microbial spores?	Mib compilations3	View
103	The antibiotic penicillin is from........	Mib compilations3	View
104	Spherical, rod-like and curved shaped bacteria are called .........	Mib compilations3	View
105	Microbes that lack the cellular components necessary for metabolism or independ…	Mib compilations3	View
106	Antony van Leeuwenhoek's contribution to Microbiology was a	Mib compilations3	View
107	During the golden era of Microbiology, insights on fermentation was provided by	Mib compilations3	View
108	Which of these is not true about the concept of abiogenesis	Mib compilations3	View
109	The contributions of Robert Koch included these except........	Mib compilations3	View
110	In comparison, which of these is correct about microbes?	Mib compilations3	View
111	Which statement is not true for protozoans?	Mib compilations3	View
112	A major difference between yeasts and molds is that	Mib compilations3	View
113	The field of Environmental Microbiology deals these except	Mib compilations3	View
114	Serological methods generally	Mib compilations3	View
115	............is one of the disadvantages of agar slant culture	Mib compilations3	View
116	How does very low temperature of below 0°C help in preservation of microorganis…	Mib compilations3	View
117	Transport media used in the isolation of anaerobes must be free of ............…	Mib compilations3	View
118	Why is steam more efficient than air for sterilization?	Mib compilations3	View
119	The correct order of the five Is in Microbiology is	Mib compilations3	View
120	Which of the following best describes Phase Contrast microscopy?	Mib compilations3	View
121	The differences between Gram positive and Gram negative bacteria is the	Mib compilations3	View
122	Which of the following is NOT a criterion for the choice of an industrial organ…	Mib compilations3	View
123	Nitrogen fixation is the conversion of	Mib compilations3	View
124	Which of these is the correct taxonomy hierarchy arrangement?	Mib compilations3	View
125	Serological methods generally involve:	Mib compilations3	View
126	What is required to maintain the viability of stored microorganism on agar slan…	Mib compilations3	View
127	What is the function of cryoprotectants during long term storage of microorgani…	Mib compilations3	View
128	Mordant used in Gram staining is:	Mib compilations3	View
129	Which of the following is NOT a criterion for the choice of an industrial organ…	Mib compilations3	View
130	Nitrogen fixation is the conversion of:	Mib compilations3	View
131	Which of these is NOT true about microbial spores?	Mib compilations3	View
132	The field of Environmental Microbiology deals these except	Mib compilations3	View
133	Which of these statements is true about binomial nomenclature?	Mib compilations3	View
134	What is the meaning of pure culture?	Mib compilations3	View
135	During lyophilisation of liquid culture of a microorganism, it is frozen with d…	Mib compilations3	View
136	Which of the following statement is true about lyophilisation?	Mib compilations3	View
137	Which of the following is true of transport media	Mib compilations3	View
138	The condition required for autoclave	Mib compilations3	View
139	Why is steam more efficient than air for sterilization?	Mib compilations3	View
140	What type of medium lack nutritional ingredients?	Mib compilations3	View
141	The numerical aperture of microscope ranges from	Mib compilations3	View
142	Which of the following best describes Phase Contrast microscopy?	Mib compilations3	View
143	Which of the following is NOT a criterion for the choice of an industrial organ…	Mib compilations3	View
144	Which of the following is NOT a method of physical sterilization?	Mcb compilations	View
145	COVID-19 pandemic was caused by a:	No topic	View
146	Which of the following is true about bacteria?	Mcb compilations	View
147	What is the primary limitation of the filtration process for sterilization?	Mcb compilations	View
148	What distinguishes a defined medium from an undefined medium?	Mcb compilations	View
149	The first drawing of microorganisms was published in:	Mcb compilations	View
150	What is the principle behind the functioning of an autoclave for sterilization?	Mcb compilations	View
151	Which of the following is a typical Gram-positive bacterium?	Mcb compilations	View
152	What is the primary mechanism by which UV-C light kills microorganisms?	Mcb compilations	View
153	The microorganism that is responsible for malaria is called.........	No topic	View
154	A major difference between yeasts and molds is that:	No topic	View
155	Why might an undefined medium be chosen over a defined medium?	Mcb compilations	View
156	A key characteristic of protozoan cellular organization is that they are:	Protozoa	View
157	Unlike bacteria, protozoa possess a true nucleus and membrane-bound organelles …	Protozoa	View
158	What is the primary habitat for many protozoa?	Protozoa	View
159	The size of protozoa varies significantly, ranging from microscopic (1 µm) to v…	Protozoa	View
160	Some protozoa, like Paramecium and Euglena, have a fixed body shape due to a de…	Protozoa	View
161	Movement in protozoa is achieved through specialized locomotory organelles. Whi…	Protozoa	View
162	Protozoan parasites classified under Sarcodina (Rhizopoda) utilize which locomo…	Protozoa	View
163	The protozoan class Mastigophora (Flagellata) is characterized by the use of wh…	Protozoa	View
164	Which of the following describes the two main stages that most protozoa's life …	Protozoa	View
165	In the context of protozoan binary fission, what type of division plane is char…	Protozoa	View
166	Which form of asexual reproduction is characteristic of sporozoans like Plas…	Protozoa	View
167	Which sexual reproductive process is characteristic of ciliates like Paramec…	Protozoa	View
168	What type of syngamy involves the fusion of gametes that are morphologically id…	Protozoa	View
169	The fusion of dissimilar gametes, typically a smaller, motile male gamete and a…	Protozoa	View
170	Which layer of the protozoan cell provides shape, support, and protection by re…	Protozoa	View
171	In protozoan cell structure, the outer, clear, viscous layer of the cytoplasm c…	Protozoa	View
172	Which type of nucleus in binucleate ciliates like Paramecium controls re…	Protozoa	View
173	The primary function of the contractile vacuole in freshwater protozoa is to:	Protozoa	View
174	How do soil-dwelling protozoa contribute to soil fertility enhancement?	Protozoa	View
175	What is the primary characteristic that distinguishes a macronucleus from a mic…	Protozoa	View
176	Which of the following statements accurately describes the cellular organizatio…	Protozoa	View
177	Which of the following protozoans is characterized by a constantly changing bod…	Protozoa	View
178	Based on locomotory organelles, which protozoan class is characterized by the a…	Protozoa	View
179	What is the primary significance of encystment for many protozoa?	Protozoa	View
180	How do freshwater protozoa primarily regulate their water and salt balance (osm…	Protozoa	View
181	What is the characteristic process of asexual reproduction known as Schizogony,…	Protozoa	View
182	Budding, a form of asexual reproduction where a small outgrowth detaches to for…	Protozoa	View
183	Which term describes the fusion of gametes that are morphologically identical b…	Protozoa	View
184	During conjugation in ciliates like Paramecium, what happens to the macronuclei…	Protozoa	View
185	What are trichocysts, found in the ectoplasm of Paramecium, primarily used for?	Protozoa	View
186	In which protozoan is 'Irregular/Simple' binary fission observed, meaning the d…	Protozoa	View
187	The process where a parent cell undergoes multiple nuclear divisions followed b…	Protozoa	View
188	Which form of asexual reproduction involves a small outgrowth forming on the pa…	Protozoa	View
189	Sexual processes in protozoa are typically triggered by environmental stress, f…	Protozoa	View
190	What is the fundamental difference between syngamy and conjugation as mechanism…	Protozoa	View
191	Which type of syngamy involves the fusion of gametes that are morphologically i…	Protozoa	View
192	The fusion of dissimilar gametes, typically a smaller, motile male gamete (micr…	Protozoa	View
193	Which form of syngamy describes the fusion of two mature, fully functional vege…	Protozoa	View
194	Self-fertilisation in which gametes fuse within a single individual, observed i…	Protozoa	View
195	Although conjugation in ciliates like Paramecium leads to genetic recomb…	Protozoa	View
196	Most protozoa are uninucleate, but ciliates like Paramecium are binuclea…	Protozoa	View
197	In binucleate ciliates like Paramecium, what is the primary role of the …	Protozoa	View
198	Which of the following is true about bacteria?	Mcb compilations	View
199	What is the primary limitation of the filtration process for sterilization?	Mcb compilations	View
200	The microorganism that is responsible for malaria is called.........	Mib compilations3	View

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Questions (990)