MCQOPTIONS
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MCQOPTIONS
This section includes 2095 Mcqs, each offering curated multiple-choice questions to sharpen your Php knowledge and support exam preparation. Choose a topic below to get started.
| 151. |
The mitochondrial genome has _____________ stop codons. |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» E. | |
| 152. |
According to the pairing concept of wobble hypothesis base “I” in the anticodon does not pair with? |
| A. | A |
| B. | U |
| C. | G |
| D. | C |
| Answer» D. C | |
| 153. |
Bubbles of air in radiator is sign of _________ problem. |
| A. | cracked block |
| B. | blown head gasket |
| C. | seized block |
| D. | lack of engine oil |
| Answer» C. seized block | |
| 154. |
By which relation speed of piston can be calculated inside cylinder block?(L-Length of stoke, D-Diameter, N-speed of engine) |
| A. | 2LDN |
| B. | 2LN |
| C. | 2πLD |
| D. | 2πL |
| E. | 2LDNb) 2LNc) 2πLDd) 2πL |
| Answer» C. 2πLD | |
| 155. |
Which of the following isn’t a cylinder block part? |
| A. | cylinder in which piston slides up and down |
| B. | openings for valves |
| C. | passages for flow of cooling water |
| D. | carburettor |
| Answer» E. | |
| 156. |
_________ serve as a support and enclosure for moving parts. |
| A. | cylinder block |
| B. | cylinder head |
| C. | crank case |
| D. | connecting rod |
| Answer» B. cylinder head | |
| 157. |
__________ is caused due to endothelial damage. |
| A. | Atherosclerosis |
| B. | Cancer |
| C. | Alzheimer’s Disease |
| D. | Ringworm |
| Answer» B. Cancer | |
| 158. |
There are about 500 g endothelium cells in an adult human. |
| A. | TRUE |
| B. | FALSE |
| Answer» C. | |
| 159. |
How thick is the endothelial layer of the cornea? |
| A. | 80 mm |
| B. | 50 µm |
| C. | 1 nm |
| D. | 1 cm |
| Answer» C. 1 nm | |
| 160. |
The mesodermal layer maintains the proper dilation and constriction of the blood vessels. |
| A. | TRUE |
| B. | FALSE |
| Answer» C. | |
| 161. |
When the endothelial layer of small arteries is not able to function normally, then the condition is termed as endothelial dysfunction. |
| A. | TRUE |
| B. | FALSE |
| Answer» B. FALSE | |
| 162. |
Endothelial cells in direct contact with blood are called as ___________ endothelial cells. |
| A. | vascular |
| B. | pulmonary |
| C. | hepatic |
| D. | squamous |
| Answer» B. pulmonary | |
| 163. |
What is the innermost germ layer in simpler organisms like sponges? |
| A. | Choanoderm |
| B. | Endoderm |
| C. | Mesoderm |
| D. | Ectoderm |
| Answer» B. Endoderm | |
| 164. |
Which of the following is not a triploblastic organism? |
| A. | Human |
| B. | Mouse |
| C. | Cnidaria |
| D. | Flatworms |
| Answer» D. Flatworms | |
| 165. |
Endothelium of the interior surfaces of the heart chambers is called as _________________ |
| A. | pericardium |
| B. | endocardium |
| C. | mesoderm |
| D. | ectoderm |
| Answer» C. mesoderm | |
| 166. |
When the blastula has three primary germ layers, it is called as ____________ |
| A. | triploblasty |
| B. | diploblasty |
| C. | organogenesis |
| D. | spermatogenesis |
| Answer» B. diploblasty | |
| 167. |
Is the following statement correct?Statement: Thompson construction is used to convert Regular expression to finite automata. |
| A. | Yes |
| B. | No |
| Answer» B. No | |
| 168. |
State true or false:Statement: Regular expression can directly be converted to DFA without intermediate steps. |
| A. | true |
| B. | false |
| Answer» C. | |
| 169. |
NFA to DFA conversion is done via |
| A. | Subset Construction method |
| B. | Warshalls Algorithm |
| C. | Ardens theorem |
| D. | None of the mentioned |
| Answer» B. Warshalls Algorithm | |
| 170. |
Which of the following conversion is not feasible? |
| A. | Regular expression to automaton conversion |
| B. | Automaton to Regular Expression Conversion |
| C. | NFA to DFA |
| D. | None of the mentioned |
| Answer» E. | |
| 171. |
Once the components are identified, in a multicomponent distillation they are called |
| A. | Key Components |
| B. | Mixed Components |
| C. | Flow Components |
| D. | Gain Components |
| Answer» B. Mixed Components | |
| 172. |
In multicomponent distillation, the separation of components is calculated using |
| A. | Assumed flows of species |
| B. | Assumed flows of reflux |
| C. | Assumed flows of Vapor |
| D. | Assumed flows of liquid |
| Answer» D. Assumed flows of liquid | |
| 173. |
Gilliland’s x intercept is given as |
| A. | Rmin/R+1 |
| B. | R/R+1 |
| C. | Nmin/R+1 |
| D. | R-Rmin/R+1 |
| Answer» E. | |
| 174. |
Gilliland’s y intercept is given as |
| A. | Nmin/N+1 |
| B. | N-Nmin/N+1 |
| C. | N+Nmin/N+1 |
| D. | N/N+1 |
| Answer» C. N+Nmin/N+1 | |
| 175. |
If the fractional recovery of light key in the distillate is FR, then light key in the feed is |
| A. | DxD= (FRD)+FxLK |
| B. | DxD= (FRD)/FxLK |
| C. | DxD= (FRD)FxLK |
| D. | DxD= (FRD) |
| Answer» D. DxD= (FRD) | |
| 176. |
For the light key component, Equilibrium relation is |
| A. | yK=x |
| B. | Kx=y |
| C. | Depend upon trays |
| D. | Can’t be specified |
| Answer» B. Kx=y | |
| 177. |
What does the minimum fluidization velocity in the bed depends on? |
| A. | Size distribution of solids |
| B. | Pumping power |
| C. | Diameter of bed |
| D. | All of the mentioned |
| Answer» E. | |
| 178. |
How the liquid behave across the fluidized bed, when the velocity is more than minimum fluidization? |
| A. | Bubbles formation |
| B. | Slugs formation |
| C. | No bubbles |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 179. |
In the packed bed, at relatively low flow rates pressure drop is approximately proportional to gas velocity, true or false? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 180. |
Calculate the BOD load for the following data.Flow: 800 m3/dBOD load: 1000 mg/L |
| A. | 1000 kg/d |
| B. | 800 kg/d |
| C. | 500 kg/d |
| D. | 1500 kg/d |
| Answer» C. 500 kg/d | |
| 181. |
While designing an aeration tank for the ASP what is the volumetric organic loading rate considered? |
| A. | 0.3-3 |
| B. | 0.03-0.2 |
| C. | 3-5 |
| D. | 5-7 |
| Answer» B. 0.03-0.2 | |
| 182. |
What is the typical value of the F/M ratio considered for an extended ASP process? |
| A. | 0.04 g/g.d |
| B. | 0.1 g/g.d |
| C. | 0.4 g/g.d |
| D. | 0.01 g/g.d |
| Answer» C. 0.4 g/g.d | |
| 183. |
What is the typical value of the F/M ratio considered for an ASP process? |
| A. | 0.04 g/g.d |
| B. | 0.1 g/g.d |
| C. | 0.4 g/g.d |
| D. | 0.01 g/g.d |
| Answer» B. 0.1 g/g.d | |
| 184. |
For the removal of phosphorous through Activated Sludge Process (ASP) what would be the Solid retention time considered? |
| A. | 18 hours |
| B. | 1-2 days |
| C. | 10 hrs |
| D. | 2-4 days |
| Answer» E. | |
| 185. |
For the removal of nitrogen completely through Activated Sludge Process (ASP) what would be the Solid retention time considered? |
| A. | 3-18 days |
| B. | 1-2 days |
| C. | 12 hours |
| D. | 18 hours |
| Answer» C. 12 hours | |
| 186. |
For the development of flocculent biomass for treating industrial water through Activated Sludge Process (ASP) what would be the Solid retention time considered? |
| A. | 18 hours |
| B. | 3-5 days |
| C. | 20 hrs |
| D. | 1-3 days |
| Answer» E. | |
| 187. |
For the development of flocculent biomass for treating domestic water through Activated Sludge Process (ASP) what would be the Solid retention time considered? |
| A. | 18 hours |
| B. | 4 days |
| C. | 10 hrs |
| D. | 1-3 days |
| Answer» E. | |
| 188. |
For the conversion of particulate organics through Activated Sludge Process (ASP) what would be the Solid retention time considered? |
| A. | 18 hours |
| B. | 1-2 days |
| C. | 2-4 days |
| D. | 5 days |
| Answer» D. 5 days | |
| 189. |
For the removal of BOD through Activated Sludge Process (ASP) what would be the Solid retention time considered? |
| A. | 18 hours |
| B. | 1-2 days |
| C. | 10 hrs |
| D. | 3 days |
| Answer» C. 10 hrs | |
| 190. |
Calculate the volume of the aeration tank required for the following data:Flow: 800 m3/dBOD: 1000 mg/LF/M ratio: 0.15(extended aeration)MLSS: 3500 mg/L |
| A. | 1550 m3 |
| B. | 2550 m3 |
| C. | 3550 m3 |
| D. | 4550 m3 |
| Answer» B. 2550 m3 | |
| 191. |
Which of the following encodes recombinase? |
| A. | fliC |
| B. | fljB |
| C. | hin |
| D. | fljA |
| Answer» D. fljA | |
| 192. |
When DNA segment is in one orientation ____________ |
| A. | The gene for FljB and gene encoding FljA are expressed |
| B. | The gene for FliC are expressed |
| C. | The gene for FljB and gene encoding FljA are not expressed |
| D. | The gene for FljB and gene encoding FljC are not expressed |
| Answer» B. The gene for FliC are expressed | |
| 193. |
Whose interaction with Lex-A facilitates the repressor’s self-cleavage reaction? |
| A. | Rec-A |
| B. | Rec-B |
| C. | Rec-C |
| D. | Rec-D |
| Answer» B. Rec-B | |
| 194. |
Formation of the attenuator stem-and-loop structure depends on the events that occur during translation of ____________ |
| A. | Regulatory sequence 1 |
| B. | Regulatory sequence 2 |
| C. | Regulatory sequence 3 |
| D. | Regulatory sequence 4 |
| Answer» B. Regulatory sequence 2 | |
| 195. |
Attenuator sequences base-pair to form a stem-and-loop structure rich in ____________ |
| A. | A = T |
| B. | G ≡ C |
| C. | A = C |
| D. | G = C |
| Answer» C. A = C | |
| 196. |
Trp repressor is a ____________ |
| A. | Homodimer |
| B. | Homotrimer |
| C. | Heterodimer |
| D. | Heterotrimer |
| Answer» B. Homotrimer | |
| 197. |
CAP is ____________ |
| A. | Catabolite gene activator protein |
| B. | Catabolite gene repressor protein |
| C. | Anabolite gene activator protein |
| D. | Anabolite gene repressor protein |
| Answer» B. Catabolite gene repressor protein | |
| 198. |
Which property of the diaphragm return spring helps in the determination of the exact pressure range? |
| A. | Tension |
| B. | Stress |
| C. | Starin |
| D. | Stiffness |
| Answer» E. | |
| 199. |
In which system the pump starts to operate immediately as the ignition is switched on? |
| A. | A.C mechanical pump |
| B. | S U electrical pump |
| C. | A.C mechanical pump & S U electrical pump |
| D. | Mechanical pump |
| Answer» C. A.C mechanical pump & S U electrical pump | |
| 200. |
Which of the following has the requirement of placing the pump necessarily close to the engine ? |
| A. | A.C mechanical pump |
| B. | S U electrical pump |
| C. | A.C mechanical pump & S U electrical pump |
| D. | Electric pump |
| Answer» B. S U electrical pump | |