MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 195 Mcqs, each offering curated multiple-choice questions to sharpen your Electronic Devices Circuits knowledge and support exam preparation. Choose a topic below to get started.
| 151. |
If M means ÷, R means +, T means -, and K means x, then_x000D_ 20 R 16 K 5 M 10 T 8 = ? |
| A. | 20 |
| B. | 36 |
| C. | 25 |
| D. | 40 |
| Answer» B. 36 | |
| 152. |
In a question paper there are 12 questions in all out of which only six are to be answered. Six questions have an alternative each. Each question has for parts._x000D_ How many questions including parts are there in the question paper? |
| A. | 24 |
| B. | 48 |
| C. | 72 |
| D. | 96 |
| Answer» D. 96 | |
| 153. |
Karan facing towards South moved straight 2 km and from there turned to his right 90° and travelled 2 km. Then , he took a 45° turn to his left and travelled 2 km. Where would he be now with respect to the starting point? |
| A. | North West region |
| B. | South West region |
| C. | South region |
| D. | South East region |
| Answer» C. South region | |
| 154. |
5, 6, 16, 57, 244, ? |
| A. | 964 |
| B. | 1225 |
| C. | 992 |
| D. | 1245 |
| Answer» E. | |
| 155. |
DRUMMER is related to ORCHESTRA in the same way as MINISTER is related to - |
| A. | Voter |
| B. | Constituency |
| C. | Cabinet |
| D. | Department |
| Answer» D. Department | |
| 156. |
Insert the missing number: 121, 100, 81, ? |
| A. | 153 |
| B. | 165 |
| C. | 170 |
| D. | 180 |
| Answer» D. 180 | |
| 157. |
EFA, GHC, JIE, ? |
| A. | KDA |
| B. | JKG |
| C. | KLG |
| D. | HIF |
| Answer» D. HIF | |
| 158. |
Which letter will replace the question mark?_x000D_ J L N P R T ? |
| A. | U |
| B. | V |
| C. | W |
| D. | X |
| Answer» C. W | |
| 159. |
Five students participated in the scholarship examination. Sudha scored higher than Puja. Kavita scored lower than Suma but higher than Sudha. Mamta scored between Puja and Sudha. Who scored lowest in the examination? |
| A. | Kavita |
| B. | Puja |
| C. | Mamta |
| D. | Sudha |
| Answer» C. Mamta | |
| 160. |
ZA, YB, XC, ? |
| A. | DW |
| B. | VE |
| C. | WD |
| D. | EV |
| Answer» D. EV | |
| 161. |
The next item in the series 13, 25, 51, 101, 203, ? is |
| A. | 405 |
| B. | 406 |
| C. | 407 |
| D. | 408 |
| Answer» B. 406 | |
| 162. |
In a certain code CAPITAL is written as CPATILA. How is PERSONS writtwn in that code? |
| A. | PSONRES |
| B. | PONSRES |
| C. | PESONRS |
| D. | PREOSSN |
| Answer» E. | |
| 163. |
The Southern blotting technique depends on |
| A. | similarities between the sequences of probe RNA and experimental RNA |
| B. | similarities between the sequences of probe DNA and experimental DNA |
| C. | the molecular mass of proteins |
| D. | similarities between the sequences of probe protein and experimental protein |
| Answer» C. the molecular mass of proteins | |
| 164. |
Out of 100 persons surveyed, 72 had a wallet, 85 wore brown shoes, 58 carried a briefcase and 98 wore a ring. How many persons must have had at least all the four items? |
| A. | 17 |
| B. | 15 |
| C. | 13 |
| D. | 11 |
| Answer» E. | |
| 165. |
From the given alternatives select the word which cannot be formed using the letters of the given word:_x000D_ COMMANDER |
| A. | COME |
| B. | DANCER |
| C. | RACE |
| D. | RECORD |
| Answer» E. | |
| 166. |
In a class of 40 students, Sudhir's rank from the top is twelfth. Alok is eight ranks below Samir. What is Alok's rank from the bottom? |
| A. | 19th |
| B. | 20th |
| C. | 21st |
| D. | 22nd |
| Answer» D. 22nd | |
| 167. |
Vectors are |
| A. | molecules that help in replication |
| B. | molecules that degrade nucleic acids |
| C. | molecules that protect host cells from invasion by foreign DNA |
| D. | molecules that are able to covalently bond to and carry foreign DNA into cells |
| Answer» E. | |
| 168. |
If letters of the word EXAMINATION are given the same numeric values as their numeric values in the above arrangement, then what will be its code? |
| A. | 127 |
| B. | 133 |
| C. | 138 |
| D. | 144 |
| Answer» C. 138 | |
| 169. |
Find the odd one out: Bongo, Guitar,Violin, Sitar |
| A. | Guitar |
| B. | Bongo |
| C. | Violin |
| D. | Sitar |
| Answer» C. Violin | |
| 170. |
SKIT:TIKS :: ?:FLAP |
| A. | PLFA |
| B. | PFAL |
| C. | PLAF |
| D. | PALF |
| Answer» E. | |
| 171. |
If B's mother is the only daughter of A's mother, then how is A related to B? |
| A. | Son |
| B. | Uncle |
| C. | Maternal Uncle |
| D. | Bother |
| Answer» D. Bother | |
| 172. |
5, 13, 29, 61, 125, ? |
| A. | 145 |
| B. | 253 |
| C. | 196 |
| D. | 245 |
| Answer» C. 196 | |
| 173. |
Select the related word pair from the given alternatives:_x000D_ ABC : CBA :: PQR : ? |
| A. | QPR |
| B. | RPQ |
| C. | RQP |
| D. | STR |
| Answer» D. STR | |
| 174. |
CLOCK is related to TIME in the same way as VEHICLE is related to which of the following? |
| A. | Road |
| B. | Journey |
| C. | Fuel |
| D. | Passenger |
| Answer» C. Fuel | |
| 175. |
If 20+15=24 and 64+13=42, then 11+28 = ? |
| A. | 33 |
| B. | 36 |
| C. | 31 |
| D. | 34 |
| Answer» C. 31 | |
| 176. |
DCBA:WXYZ :: ?:ZYXW |
| A. | ABCD |
| B. | ABDC |
| C. | CBAD |
| D. | BCDA |
| Answer» B. ABDC | |
| 177. |
BREAD is related to WHEAT in the same way as BRICK is related to - |
| A. | Clay |
| B. | Building |
| C. | Fire |
| D. | Cement |
| Answer» B. Building | |
| 178. |
Problems in obtaining large amounts of proteins encoded by recombinant genes can often be overcome by using |
| A. | expression vectors |
| B. | BACS |
| C. | all of these |
| D. | YACS |
| Answer» B. BACS | |
| 179. |
Which of the following enzyme is used to covalently bond foreign DNA to a vector plasmid? |
| A. | Restriction endonuclease |
| B. | DNA polymerase |
| C. | DNA helicase |
| D. | DNA ligase |
| Answer» E. | |
| 180. |
Select the combination of mathematical signs to replace * signs and to balance the following equation: _x000D_ 16 * 4 * 5 * 9 |
| A. | + = ÷ |
| B. | ÷ + = |
| C. | ÷ = + |
| D. | + ÷ = |
| Answer» C. ÷ = + | |
| 181. |
Reema is twice as old as Beena. Three years ago, she was three times as old as Beena. How old is Reema now? |
| A. | 10 years |
| B. | 12 years |
| C. | 15 years |
| D. | 18 years |
| Answer» C. 15 years | |
| 182. |
If each alternate letter beginning with the first in the word WORKING is replaced by the next letter in the English alphabet and each of the remaining letters is replaced by the previous letter in the English alphabet, which of the following will be the fourth from the right end after the replacement? |
| A. | M |
| B. | N |
| C. | J |
| D. | Q |
| Answer» D. Q | |
| 183. |
Insert the missing numbers in these question. 257, 226, 197, ? |
| A. | 170 |
| B. | 180 |
| C. | 153 |
| D. | 165 |
| Answer» B. 180 | |
| 184. |
ACE, BDF, GIK, ? |
| A. | JHM |
| B. | HJI |
| C. | HJL |
| D. | MJH |
| Answer» D. MJH | |
| 185. |
Y4X9, W16V25, ?, S64R81 |
| A. | U39T49 |
| B. | U36T39 |
| C. | U32T48 |
| D. | U36T46 |
| Answer» C. U32T48 | |
| 186. |
In a certain code ROBE is written as 5136 and BIND is written as 3792. How is RIDE written in that code? |
| A. | 5276 |
| B. | 5726 |
| C. | 5376 |
| D. | 5326 |
| Answer» C. 5376 | |
| 187. |
Which number comes next in the series: 5, 16, 49, 104, ? |
| A. | 115 |
| B. | 141 |
| C. | 161 |
| D. | 181 |
| Answer» E. | |
| 188. |
Select the related word pair from the given alternatives:_x000D_ Teacher : School :: Doctor : ? |
| A. | Hostel |
| B. | Hospitals |
| C. | House |
| D. | Home |
| Answer» C. House | |
| 189. |
A random process is defined by X(t) + A where A is continuous random variable uniformly distributed o? |
| A. | . The auto correlation function and mean of the process is |
| B. | 1/2 & 1/3 |
| C. | 1/3 & 1/2 |
| D. | 1 & 1/2 |
| Answer» E. | |
| 190. |
A stationary random process X(t) is applied to the input of a system for which h(t) = u(t) t2 e(-8t). If E[X(t)] = 2, the mean value of the system’s response Y(t) is$ |
| A. | 1/128 |
| B. | 1/64 |
| C. | 3/128 |
| D. | 1/32 |
| Answer» C. 3/128 | |
| 191. |
Air craft of Jet Airways at Ahmedabad airport arrive according to a Poisson process at a rate of 12 per hour. All aircraft are handled by one air traffic controller. If the controller takes a 2 – minute coffee break, what is the probability that he will miss one or more arriving aircraft?$ |
| A. | 0.33 |
| B. | 0.44 |
| C. | 0.55 |
| D. | 0.66 |
| Answer» D. 0.66 | |
| 192. |
The auto correlation Rxx(t1 = 0.5T, t2 = 0.7T) will be |
| A. | 1 |
| B. | 0 |
| C. | A x A |
| D. | 0.5 (A x A) |
| Answer» B. 0 | |
| 193. |
The mean value E[X(t)] is |
| A. | 1/2 |
| B. | 1/4 |
| C. | 1 |
| D. | 0 |
| Answer» D. 0 | |
| 194. |
White noise with power density No/2 = 6 microW/Hz is applied to an ideal filter of gain 1 and bandwidth W rad/s. If the output’s average noise power is 15 watts, the bandwidth W is$ |
| A. | 2.5 x 10 <sup> (-6)</sup> |
| B. | 2.5p x 10 <sup> (-6) </sup> |
| C. | 5 x 10 <sup> (-6)</sup> |
| D. | p5 x 10 <sup> (-6)</sup> |
| Answer» C. 5 x 10 <sup> (-6)</sup> | |
| 195. |
For random process X = 6 and Rxx (t, t+t) = 36 + 25 exp(|t|). Consider following statements: |
| A. | X(t) is first order stationary. |
| B. | X(t) has total average power of 36 W. |
| C. | X(t) is a wide sense stationary. |
| D. | X(t) has a periodic component. |
| Answer» D. X(t) has a periodic component. | |