

MCQOPTIONS
Saved Bookmarks
This section includes 524 Mcqs, each offering curated multiple-choice questions to sharpen your Automata Theory knowledge and support exam preparation. Choose a topic below to get started.
151. |
Worker A takes 8 hours to do a job. Worker B takes 10 hours to do the same job. How long should it take both A and B, working together but indepently, to do the same job? |
A. | 4x4/9 |
B. | 2x4/9 |
C. | 4x2/9 |
D. | 5x4/9 |
Answer» B. 2x4/9 | |
152. |
Microarrays are also known as |
A. | DNA chips |
B. | biochips |
C. | all of these |
D. | gene chips |
Answer» D. gene chips | |
153. |
Which of the following is correct for the prediction of time requirement in a batch fermenter? |
A. | Mathematical modelling of the fermentation process |
B. | Carrying out experiments |
C. | It is impossible to predict the time required for fermentation |
D. | Both ( and ( |
Answer» E. | |
154. |
The difference between two numbers is 1365. When the larger number is divided by the smaller one, the quotient is 6 and the remainder is 15. Find the product of the numbers? |
A. | 441450 |
B. | 451450 |
C. | 454554 |
D. | 481450 |
Answer» B. 451450 | |
155. |
Selectivity can be expressed as |
A. | mass fraction of the solute in the extract phase at equilibrium |
B. | ratio of the distribution coefficients in different solute |
C. | ratio of the mass fraction of the solute in the extract phase to the raffinate phase |
D. | mass fraction of the solute in the raffinate phase |
Answer» C. ratio of the mass fraction of the solute in the extract phase to the raffinate phase | |
156. |
The relationship between Keq, Km and Vmax is known as |
A. | Michaelis Menten equation |
B. | Haldane equation |
C. | Gibbs-Helmholtz equation |
D. | Numerical solution approach |
Answer» C. Gibbs-Helmholtz equation | |
157. |
If the number 5 * 2 is divisible by 6, then * = ? |
A. | 3 |
B. | 2 |
C. | 7 |
D. | 6 |
Answer» C. 7 | |
158. |
How many kilogram of sugar costing Rs. 9 per kg must be mixed with 27 kg of sugar costing Rs. 7 per kg so that there may be a gain of 10% by selling the mixture at Rs. 9.24 per kg? |
A. | 42 kg |
B. | 36 kg |
C. | 63 kg |
D. | 54 kg |
Answer» D. 54 kg | |
159. |
In a single phase capacitor motor the direction of rotation will be in the opposite direction to the original when |
A. | two capacitors of equal value are used |
B. | electrolytic capacitor is replaced by paper capacitor |
C. | capacitor is replaced by an inductor. |
D. | capacitor is replaced by a resistance |
Answer» D. capacitor is replaced by a resistance | |
160. |
The windings of a transformer are divided into several coils because |
A. | It reduces voltage per coil |
B. | It is difficult to wind as one coil |
C. | None of the above |
D. | It requires less insulation |
Answer» B. It is difficult to wind as one coil | |
161. |
Which of the following/(s) can be used for the reduction of nitrate in waste water? |
A. | Micrococcus denitrificans cells encapsulated in liquid membranes |
B. | Growth of Hypomicrobium in presence of added methanol |
C. | Nitrosomonas europaen |
D. | Both ( and ( |
Answer» E. | |
162. |
Why vortexing is undesirable in the agitation of biological systems? |
A. | Poor mixing despite the use of high stirrer speeds |
B. | The collision between the cells, impeller and air bubbles will lead to cell damage |
C. | All of the above |
D. | Mixing will not be in the turbulent region |
Answer» D. Mixing will not be in the turbulent region | |
163. |
27 female members left a club. As a result, the number of males became 50% more than the number of remaining females. After wards 45 males left, the remaining males being 75% of the number of remaining females. What was the initial number of females? |
A. | 87 |
B. | 90 |
C. | 80 |
D. | 97 |
Answer» B. 90 | |
164. |
Normally, the auxiliary winding in a single phase induction motor is cut off when the motor reaches a certain speed except in case of |
A. | capacitor start motor |
B. | shaded pole motor |
C. | split phase motor. |
D. | capacitor start, capacitor run motor |
Answer» E. | |
165. |
In the Calvin cycle of C3 plants, which molecule is the acceptor of CO2? |
A. | Ribulose-l,5-diphosphate |
B. | Erythrose-4-phosphate |
C. | Alpha-ketoglutarate |
D. | Ribose-5-phosphate |
Answer» B. Erythrose-4-phosphate | |
166. |
If a book costs $5.70 after a 40% discount, what was its original price? |
A. | $7.98 |
B. | $6.10 |
C. | $9.50 |
D. | $9.12 |
Answer» B. $6.10 | |
167. |
A container contains a mixture of milk and water in the ratio 7:5. When 9 liters of the milk and water are drawn off and the container is filled with 9 liters of water, the proportion becomes milk:water::7:9. How many liters does the container hold? |
A. | 48 liters |
B. | 30 liters |
C. | 36 liters |
D. | 45 liters |
Answer» D. 45 liters | |
168. |
The contents in bubble column and air lift reactor are mixed through |
A. | a mechanical internal moving part |
B. | compressed air |
C. | any of these |
D. | external pumping |
Answer» C. any of these | |
169. |
The difference between the place values of 7 and 3 in the prime number 527435 is |
A. | 5 |
B. | 4 |
C. | 6970 |
D. | 45 |
Answer» D. 45 | |
170. |
Whether it be shallow or not, commitment is the ------------- the bedrock of any ----------loving relationship. |
A. | foundation------genuinely |
B. | expression----------perfunctory |
C. | key-------alarmingly |
D. | manifestation-------deep |
Answer» B. expression----------perfunctory | |
171. |
In a row of 21 girls, when M was shifted by four places towards right she became 12th from the left end. What was her earlier position from the right end? |
A. | 10th |
B. | 9th |
C. | 14th |
D. | 11th |
Answer» D. 11th | |
172. |
The number of baffles in a standard stirred tank bioreactor is |
A. | 6 |
B. | 8 |
C. | 2 |
D. | 4 |
Answer» E. | |
173. |
If the product of the present ages of the father and his son is 750 years and the ratio of their present ages is 6 : 5. Find the difference between their present ages:(CTS COMPANY) |
A. | 15 years |
B. | 10 years |
C. | 5 years |
D. | 8 years |
Answer» D. 8 years | |
174. |
The production of high quality and uniform embryos has been limited to only |
A. | alfalfa |
B. | carrot |
C. | sandalwood |
D. | both ( and ( |
Answer» E. | |
175. |
Sherry is a type of |
A. | beer |
B. | wine |
C. | none of these |
D. | brandy |
Answer» C. none of these | |
176. |
Which of the following(s) is/are the most commonly used markers in yeast? |
A. | Ura 3 |
B. | His 3 |
C. | All of these |
D. | Trp 1 |
Answer» D. Trp 1 | |
177. |
In koji process for the fermentation to produce citric acid, |
A. | niger floats on the surface of solution |
B. | niger is used with solid substrate as sweet potato |
C. | both ( and ( |
D. | Fungal mycelium grows through out the solution in a deep tank |
Answer» C. both ( and ( | |
178. |
Which of the following statements is correct about the C#.NET code snippet given below? int d; d = Convert.ToInt32( !(30 < 20) ); |
A. | A value 1 will be assigned to d |
B. | A value 0 will be assigned to d |
C. | The code reports an error. |
D. | A value -1 will be assigned to d |
Answer» B. A value 0 will be assigned to d | |
179. |
Two genes from a bacterium (Alcaligenes eutrophus) and a cotton gene produce |
A. | a vaccine against the bacterium |
B. | a plastic |
C. | herbicide resistance |
D. | a pharmaceutical product |
Answer» C. herbicide resistance | |
180. |
For an enzyme that displays Michaelis-Menten kinetics, the reaction velocity (as a fraction of Vmax) observed at [S] = 2 KM will be |
A. | 0.33 |
B. | 0.09 |
C. | 0.91 |
D. | 0.66 |
Answer» D. 0.66 | |
181. |
How many of the following numbers are divisible by 3 but not by 9 ?2133, 2343, 3474, 4131, 5286, 5340, 6336, 7347, 8115, 9276 |
A. | 6 |
B. | 5 |
C. | 8 |
D. | 7 |
Answer» B. 5 | |
182. |
Concentration of sucrose generally used in plant cell culture media is |
A. | 20-30 g/l |
B. | 10-15 g/l |
C. | 60-70 g/l |
D. | 40-50 g/l |
Answer» B. 10-15 g/l | |
183. |
Which of the following accumulates from factory waste? |
A. | Thiobacillus |
B. | Pseudomonas aeruginosa |
C. | Zoogloea ramigera |
D. | Pseudomonas putida |
Answer» D. Pseudomonas putida | |
184. |
The starting capacitor of a single phase motor is |
A. | Ceramic capacitor |
B. | Electrolytic capacitor |
C. | None of the above. |
D. | Paper capacitor |
Answer» C. None of the above. | |
185. |
A liter of milk sold by a milkman contains milk and water in the ratio 4 : 1. A house wife adds 100 ml of water and then uses 220 ml of the mixture to make curd. How much of the pure milk is she left with?(CTS COMPANY) |
A. | 560 ml |
B. | 640 ml |
C. | 800 ml |
D. | 760 ml |
Answer» C. 800 ml | |
186. |
It -----------since early morning. |
A. | is raining |
B. | will rain |
C. | has been raining |
D. | rained |
Answer» D. rained | |
187. |
The encapsulation of somatic embryos can be carried out by |
A. | gel complexation |
B. | automatic encapsulation process |
C. | coating proteins |
D. | both ( and ( |
Answer» E. | |
188. |
The sum of four consecutive even integers is 1284. The greatest of them is: |
A. | 342 |
B. | 324 |
C. | 382 |
D. | 364 |
Answer» C. 382 | |
189. |
In aerobic microorganisms cultures radial flow impellers are used because |
A. | they provide low shear mixing conditions |
B. | they provide energy efficient high turbulent mixing conditions |
C. | . they ensure that bubble size is maximized leading to high oxygen transfer rates |
D. | they provide high shear mixing conditions |
Answer» E. | |
190. |
Wort is boiled with the hops |
A. | to provide bitter taste and flavour to the beer |
B. | to help in protein coagulation |
C. | All of the above |
D. | to help in the coagulation of tannins |
Answer» B. to help in protein coagulation | |
191. |
A man wants to sell his scooter. There are two offers, one at Rs. 12,000 cash and the other a credit of Rs. 12,880 to be paid after 8 months, money being at 18% per annum. Which is the better offer? |
A. | s. 12,880 at credit |
B. | Rs. 12,000 in cash |
C. | [NIL] |
D. | Both are equally good |
Answer» C. [NIL] | |
192. |
Which of the following is the correct way to obtain the number of elements present in the array given below? int[] intMyArr = {25, 30, 45, 15, 60}; 1.intMyArr.GetMax; 2.intMyArr.Highest(0); 3.intMyArr.GetUpperBound(0); 4.intMyArr.Leng |
A. | 3, 4 |
B. | 1, 2 |
C. | 1, 5 |
D. | 3, 5 |
Answer» B. 1, 2 | |
193. |
A very common mutualistic, symbiotic relationship between a fungus and the roots of a plant is |
A. | mycorrhizal |
B. | lichen |
C. | basidiomycete |
D. | ascomycete |
Answer» B. lichen | |
194. |
To maintain aseptic conditions during fermentation which of the following is needed? |
A. | Sterilization of air supply |
B. | Sterilization of fermentor |
C. | All of these |
D. | Aeration and agitation |
Answer» D. Aeration and agitation | |
195. |
The transfer of intermediate vectors into Agrobacterium are brought about by |
A. | biparental mating |
B. | transformation |
C. | transduction |
D. | triparental mating |
Answer» E. | |
196. |
Maximum amount of foreign DNA introduced into SV 40 viruses is |
A. | 5 kb |
B. | 10 kb |
C. | 1 kb |
D. | 2.5 kb |
Answer» E. | |
197. |
How many numbers divisible by 8 are there between 900 and 1700? |
A. | 100 |
B. | 95 |
C. | 110 |
D. | 105 |
Answer» B. 95 | |
198. |
In which of the following phase preparations for genome separation are made? |
A. | G1 |
B. | C |
C. | M |
D. | G2 |
Answer» D. G2 | |
199. |
Nitrosomonous and Nitrobacter obtain their carbon for growth from |
A. | carbon dioxide |
B. | organic compounds |
C. | none of these |
D. | elementary carbon |
Answer» B. organic compounds | |
200. |
Which motor is generally used for electric shavers ? |
A. | Hysteresis motor |
B. | Shaded pole motor |
C. | Universal motor. |
D. | Reluctance motor |
Answer» D. Reluctance motor | |