MCQOPTIONS
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MCQOPTIONS
This section includes 165 Mcqs, each offering curated multiple-choice questions to sharpen your Microbiology knowledge and support exam preparation. Choose a topic below to get started.
| 151. |
Plasmagel is known as __________________ |
| A. | cytoplasm |
| B. | endoplasm |
| C. | ectoplasm |
| D. | myonemes |
| Answer» D. myonemes | |
| 152. |
Frustules made of silica are characteristic of |
| A. | euglenoids |
| B. | diatoms |
| C. | desmids |
| D. | seaweeds |
| Answer» C. desmids | |
| 153. |
Organisms with complex life cycles which include a mammalian host and an insect host and involves schizogony as part of the cycle belong to which phylum of Protozoa? |
| A. | Sarcomastigophora |
| B. | Microspora |
| C. | Apicomplexa |
| D. | Myxozoa |
| Answer» D. Myxozoa | |
| 154. |
Bipolar staining is characteristic of |
| A. | Yersinia pestis |
| B. | Proteus mirabilis |
| C. | Pseudomonas aeruginosa |
| D. | all of these |
| Answer» B. Proteus mirabilis | |
| 155. |
In Widal test the significant titres for H agglutinins is |
| A. | 1:50 or more |
| B. | 1:100 ormore |
| C. | 1:200 or more |
| D. | 1:400 or more |
| Answer» D. 1:400 or more | |
| 156. |
The Trichomonads found in the intestine are ___________________ |
| A. | Trichomonas buccalis |
| B. | Trichomonas hominis |
| C. | Trichomonas vaginalis |
| D. | Trichonympha campanula |
| Answer» C. Trichomonas vaginalis | |
| 157. |
Which of the following protective structures occur in the tentacles of suctorian protozoa? |
| A. | mucocysts |
| B. | trichocysts |
| C. | toxicysts |
| D. | haptocysts |
| Answer» E. | |
| 158. |
Cell walls of diatoms are impregnated with _____________ |
| A. | chitin |
| B. | cellulose |
| C. | starch |
| D. | silica |
| Answer» E. | |
| 159. |
What is the maximum temperature for protozoa? |
| A. | 40 degrees C |
| B. | 10 degrees C |
| C. | 16 degrees C |
| D. | 25 degrees C |
| Answer» B. 10 degrees C | |
| 160. |
Amoeba proteus have a diffuse layer of which of the following over the plasmalemma? |
| A. | glucose |
| B. | chitin |
| C. | cellulose |
| D. | mucopolysaccharides |
| Answer» E. | |
| 161. |
Which among the following is a pathogenic algae for humans? |
| A. | Prototheca |
| B. | Chlorella |
| C. | Cephaleuros |
| D. | Acanthopeltis |
| Answer» B. Chlorella | |
| 162. |
The famous Japanese dish sushi is made with the help of the red algae named ____________ |
| A. | Nemalion |
| B. | Porphyra |
| C. | Chondrus |
| D. | Eucheuma |
| Answer» C. Chondrus | |
| 163. |
Alginic acid is obtained from ______________ |
| A. | brown algae |
| B. | red algae |
| C. | yello-green algae |
| D. | golden algae |
| Answer» B. red algae | |
| 164. |
Carrageenan is used as a ______________ |
| A. | emulsifier |
| B. | solidifying agent |
| C. | binder |
| D. | emulsifier and binder |
| Answer» E. | |
| 165. |
Agar is obtained from the algal species of _______________ |
| A. | Chondrus |
| B. | Gigartina |
| C. | Gelidium |
| D. | Laminaria |
| Answer» D. Laminaria | |