Explore topic-wise MCQs in Electronic Devices Circuits.

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.

101.

Jagdish defeats Satish in chess but loses to Ashish. Jaya usually wins against Satish, sometimes against Jagdish but neer against Ashish. Who is the weakest player?

A. Ashish
B. Satish
C. Jaya
D. Jagdish
Answer» C. Jaya
102.

If Q means +, T means -, R means ÷ and K means x, then_x000D_ 24 R 4 Q 8 K 6 T 10 = ?

A. 48
B. 24
C. 44
D. 02-03-2015 12:00:00 AM
Answer» D. 02-03-2015 12:00:00 AM
103.

3, 10, ?, 172, 886, 5346, 37471, 299832

A. 39
B. 27
C. 24
D. 34
Answer» B. 27
104.

19, 18, 34, 32, 44, 41_x000D_ 2 4 ?

A. 3
B. 6
C. 9
D. 4
Answer» C. 9
105.

61, 52, 63, 94, 46, ?

A. 19
B. 18
C. 17
D. None
Answer» C. 17
106.

If HELLO is coded as 15|12|12|5|8, them WHERE is

A. 16|13|13|6|9
B. 5|18|5|8|23
C. 5|5|18|23|8
D. 5|5|18|8|23
Answer» C. 5|5|18|23|8
107.

If Z = 52 and ACT is equal to 48, then BAT will be equal to

A. 39
B. 41
C. 44
D. 46
Answer» E.
108.

T49S64, R81Q100, P121O144, ?

A. N169M196
B. N160M190
C. N164M194
D. N170M200
Answer» B. N160M190
109.

A code language in which TEMPORARY is written as EPRSAYOYM and EXCUSE as PGNVXP. How is CUSTOMER written in that code?

A. NVXAERPY
B. NVXEARPY
C. NXVEAPRY
D. XNEVPARY
Answer» C. NXVEAPRY
110.

Sheila and Belah start from their office and walk in opposite directions each travelling 10 kms. Shiela then turns left and walks 10 kms. Belah turns right and walks 10 km. How far are they now from each other?

A. 20 km
B. 10 km
C. 5 km
D. 8 km
Answer» B. 10 km
111.

If 55 + 66 = 33 and 22 + 99 = 33, what is 44 + 88 ?

A. 33
B. 36
C. 38
D. 40
Answer» C. 38
112.

If PEACE is coded as RGCEG then how MICKY coded in that code?

A. MOUSE
B. OKEMA
C. LHBJX
D. JDLJ
Answer» C. LHBJX
113.

384:? :: 216:63

A. 128
B. 124
C. 112
D. 192
Answer» D. 192
114.

In a certain code RUST is coded as 1853, UNCLE as 84670 and BOY as 129, then how is the word STYLE written in that code?

A. 53970
B. 50267
C. 53790
D. 56431
Answer» B. 50267
115.

Which of the following is obtained using processed mRNA molecules as a template?

A. mDNA
B. rDNA
C. tDNA
D. cDNA
Answer» E.
116.

7, 8, 18, ?, 232, 1165

A. 57
B. 36
C. 42
D. 84
Answer» B. 36
117.

4, 7, 11, 18, 28, ?, 76, 123

A. 59
B. 38
C. 46
D. 47
Answer» E.
118.

6:36 :: 9:?

A. 81
B. 98
C. 42
D. 56
Answer» B. 98
119.

There are five books A, B, C, D and E. Book C lies above D. Book E is below A; B is below E. Which book is at the bottom?

A. E
B. B
C. A
D. C
Answer» C. A
120.

What is the normal role of restriction endonucleases in bacterial cells?

A. To degrade invading phage DNA
B. To degrade the bacterial chromosome into small pieces during replication
C. All of the above
D. To produce RNA primers for replication
Answer» B. To degrade the bacterial chromosome into small pieces during replication
121.

Five girls took part in a race. Rajni finished before Meenu but behind Geeta, while Aruna finished before Seema but behind Meenu. Who won the race?

A. Geeta
B. Meenu
C. Seema
D. Aruna
Answer» B. Meenu
122.

If BAD is coded as 5-4-7, then the code for DARK is

A. 7-4-20-14
B. 7-4-21-3
C. 7-4-21-14
D. 7-4-20-13
Answer» D. 7-4-20-13
123.

Which combination of alphabets would come in the position of the question mark in the following sequence?_x000D_ ABP, CDQ, EFR, ?

A. GHS
B. GHT
C. HGS
D. GHR
Answer» B. GHT
124.

If CURTAIN is coded as NIATRUC, how will you code 'FURNITURE'?

A. TINRUFURE
B. ERUTINRUF
C. EUTRINRUF
D. FERUTINRU
Answer» C. EUTRINRUF
125.

2, 3, 10, 15, 26, ?

A. 30
B. 52
C. 35
D. 24
Answer» D. 24
126.

A and B is a married couple. X and Y are brothers. X is the bother of A. How is Y related to B?

A. Brother-in-law
B. Sister-in-low
C. Mother-in-low
D. None of these
Answer» B. Sister-in-low
127.

In the following questions, select the choice which completes the series:_x000D_ A C E G ?

A. I
B. H
C. J
D. K
Answer» B. H
128.

Communicable disease:Malaria :: Non-communicable disease:?

A. Tuberculosis
B. Hepatitis
C. AIDS
D. Cancer
Answer» E.
129.

Select the related word pair from the given alternatives:_x000D_ 400 : 20 :: 441 : ?

A. 21
B. 23
C. 25
D. 30
Answer» B. 23
130.

Charged molecules are separated based on varying rates of migration through a solid matrix when subjected to an electric field. This technique is known as

A. gel electrophoresis
B. photoreactivation
C. blotting
D. autoradiography
Answer» B. photoreactivation
131.

Complete the following series: 3, 10, 59, ?

A. 402
B. 405
C. 404
D. 403
Answer» B. 405
132.

Agrobacterium tumefaciens is

A. a bacterium that can be used to introduce DNA into plants
B. a disease in humans that causes loss of sight
C. a disease in humans that causes loss of weight
D. a fungi that is used to produce antibiotics in large amounts
Answer» B. a disease in humans that causes loss of sight
133.

3917, 3526, ?, 2857

A. 3082
B. 3174
C. 3389
D. 2682
Answer» C. 3389
134.

In the following questions, select the choice which completes the series:_x000D_ S M T W T F ?

A. S
B. F
C. T
D. W
Answer» B. F
135.

Which of the following is not a Palindrome -

A. Malayalam
B. Madam
C. India
D. Dad
Answer» D. Dad
136.

NP, MK, RT, IG, ?

A. VX
B. UW
C. FD
D. EC
Answer» B. UW
137.

Six girls are standing in a circle facing to the centre. Bindu is to the left of Viji. Rekha is in between Bindu and Mumtaz. Jessa is in between Viji and Nirmala. Who is to the left of Mumtaz?

A. Rekha
B. Nirmala
C. Viji
D. Bindu
Answer» C. Viji
138.

Rajeev is walking towards South. He turns left twice and then turns right. Which direction is he facing now?

A. North
B. South
C. East
D. West
Answer» D. West
139.

Reena walks 4 km East then cycles 10 km North, turns to the left and covers 4 km and once again turns to the North and Moves 2 km. How far is she from the starting point?

A. 10km
B. 14km
C. 8km
D. 12km
Answer» E.
140.

If B = 25 and BAG = 71 then DEAF = ?

A. 93
B. 90
C. 94
D. 92
Answer» E.
141.

If 'ROAD' is 'WTFI', then 'BEAT' IS

A. URDG
B. RQCF
C. GJFY
D. UREG
Answer» D. UREG
142.

Select the one which is different from other three alternatives -

A. July
B. August
C. September
D. October
Answer» D. October
143.

Which of the following is not commonly used as vector?

A. Cosmid
B. Artificial chromosome
C. Plasmid
D. Fungi
Answer» E.
144.

6:72 :: 8:?

A. 94
B. 96
C. 74
D. 92
Answer» C. 74
145.

Which of the following words will come 2nd in a dictionary?

A. advantage
B. adventure
C. advance
D. advisor
Answer» B. adventure
146.

The advantage of using DNA polymerases from thermophilic organisms in PCR is that

A. the DNA polymerases of these bacteria can withstand the high temperatures needed to denature the DNA strands
B. the DNA polymerases of these bacteria are much faster than those from other organisms
C. all of the above
D. the DNA polymerases of these bacteria never make mistakes while replicating DNA
Answer» B. the DNA polymerases of these bacteria are much faster than those from other organisms
147.

How many meaningful English words can be made with the letters ENAL using each letter only once in each word?

A. Three
B. Four
C. Five
D. Two
Answer» B. Four
148.

71, 62, 53, 44, 35, 26, ?

A. 13
B. 14
C. 17
D. 19
Answer» D. 19
149.

YZ, VYZ, SYZ PYZ, ?

A. XYZ
B. TYZ
C. RYZ
D. MYZ
Answer» C. RYZ
150.

If it is possible to make only one meaningful English word with the third, the seventh, the eighth and the tenth letters of the word PREDICAMENT, which of the following will be the third letter of that word? If no such word can be made, give 'X' as the answer and if more that one such word can be made, give 'Y' as the answer.

A. M
B. E
C. X
D. Y
Answer» E.