Explore topic-wise MCQs in General Knowledge.

This section includes 63850 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.

10101.

Which of the following is a correct example of fire extinguisher?

A. HCl
B. CO
C. CO2
D. NO2
Answer» D. NO2
10102.

When a bipolar junction transistor is operating in the saturation mode, which one of the following statements is TRUE about the state of its collector-base (CB) and the base-emitter (BE) junctions?

A. The CB junction if forward biased and the BE junction is reverse biased.
B. The CB junction is reversed and the BE junction is forward biased.
C. Both the CB and BE junctions are forward biased.
D. Both the CB and BE junctions are reverse biased.
Answer» D. Both the CB and BE junctions are reverse biased.
10103.

The wavelength of a wave with a propagation constant, 0.2π + j 0.4π is:

A. 2 m
B. 1 m
C. 8 m
D. 5 m
Answer» E.
10104.

The average of five consecutive even numbers (in increasing order) is k. If the next four consecutive even numbers are included, then the average of all the numbers is:

A. 2k - 1
B. k + 5
C. k + 4
D. k + 6
Answer» D. k + 6
10105.

Which of the following is an odd composite number?

A. 13
B. 17
C. 12
D. 15
Answer» E.
10106.

The median of the numbers 4, 2, 2, 6, 3 and 8 is:

A. 4.5
B. 3.5
C. 4
D. 3
Answer» C. 4
10107.

In an acetylene cylinder the acetylene is dissolved in:

A. Mercury
B. Acetone
C. Water
D. Sliver oxide
Answer» C. Water
10108.

The diagonal of a square is 14 cm. What will be the length of the diagonal of the square whose area is double of the area of first square?

A. 26√2 cm
B. 14√2 cm
C. 28 cm
D. 21√2 cm
Answer» C. 28 cm
10109.

Five delegates P, Q, R, S and T are forwarding their files to one another. P sends his file to Q, S and T, T sends his files to R while P and R exchange their files with each other. Q sends his file to S who sends his files to T. If P has to forward his files to R, then in how many ways P can forward files to R?

A. Two
B. Three
C. Four
D. One
Answer» D. One
10110.

What is the average number of students playing Tennis and Cricket?

A. 280
B. 270
C. 240
D. 360
Answer» C. 240
10111.

Which of the following is/are unique characteristic/characteristics of equatorial forests?1. Presence of tall, closely set trees with crowns forming a continuous canopy.2. Coexistence of a large number of species.3. Presence of numerous varieties of epiphytes.Select the correct answer using the codes given below.

A. 1 only
B. 2 and 3 only
C. 1 and 3 only
D. 1, 2 and 3
Answer» E.
10112.

Students who are enrolled in inclusive classroom situation are

A. Disabled students
B. Abled students
C. Both (1)and (2)
D. None of the above
Answer» D. None of the above
10113.

Which of the following statement(s) is/are correct?1. \(\frac{3}{7} < \frac{5}{9} < \frac{7}{{11}}\)2. \(\sqrt 6 > \sqrt[3]{{12}}\)

A. Only 2
B. Only 1
C. Both 1 and 2
D. Neither 1 nor 2
Answer» D. Neither 1 nor 2
10114.

Which of the following lamps does NOT suffer from stroboscopic effect?

A. Fluorescent lamp
B. Mercury vapour lamp
C. Incandescent lamp
D. Sodium vapour lamp
Answer» D. Sodium vapour lamp
10115.

The total power developed in the circuit, if V­o = 125 V is

A. 0 watt
B. 4000 watts
C. 8000 watts
D. 16000 watts
Answer» B. 4000 watts
10116.

Which of the following is used to convert electrical energy to mechanical energy?

A. Generator
B. Motor
C. Transformer
D. None of the above
Answer» C. Transformer
10117.

The region in which Colonel Gerrard led the counter attack against 1857 revolutionaries:

A. Panipat
B. Rohtak
C. Mewat
D. Narnaul
Answer» E.
10118.

Select the related number from the given alternatives.55 : 11 : : 125 : ?

A. 22
B. 5
C. 25
D. 101
Answer» D. 101
10119.

Typical expected life time of LED lights is

A. 750 to 2000 hrs
B. 6000 to 10,000 hrs
C. 20,000 to 50,000 hrs
D. 10,00,000 to 10,00,000 hrs
Answer» D. 10,00,000 to 10,00,000 hrs
10120.

Select the set in which the numbers are related in the same way as are the numbers ofthe following set.(49, 81, 121)

A. (16, 64, 100)
B. (16, 25, 49)
C. (36, 64, 100)
D. (9, 4, 8)
Answer» D. (9, 4, 8)
10121.

What is a collection of information saved as a unit called?

A. File
B. Folder
C. Document
D. Program
Answer» B. Folder
10122.

The first pico satellite of India is-

A. INSAT
B. STUDSAT
C. GSAT-4
D. ANUSAT
Answer» C. GSAT-4
10123.

The Sendai Framework is related to _________.

A. Economic trade
B. Global warming
C. Disaster Risk reduction
D. Nuclear Warfare
Answer» D. Nuclear Warfare
10124.

Which bridge is used to determine frequency?

A. Anderson bridge
B. Desauty bridge
C. Wien bridge
D. Campbell bridge
Answer» D. Campbell bridge
10125.

Smriti Irani and Sanjay Dhotre virtually inaugurated Toycathon 2021 grand finale on 22 June 2021. The Toycathon 2021 is being organized jointly by the Ministry of Education in coordination with how many other ministries?

A. 2
B. 3
C. 4
D. 5
E. 6
Answer» E. 6
10126.

The area of the base of a right circular cone is 400π and its height is 15 cm. The curved surface area of the cone (in cm2) is∶

A. 560 π
B. 480 π
C. 450 π
D. 500 π
Answer» E.
10127.

The audible range of sound for an average adult human being is ______.

A. 20 Hz - 20000 Hz
B. 20 Hz - 2000 Hz
C. 2 Hz - 2000 Hz
D. 2 Hz - 20000 Hz
Answer» B. 20 Hz - 2000 Hz
10128.

Which bank will implement a new loan scheme, that will help women's self-help groups to start production of value-added food products like chips, pickles, jams etc starting from October 2, 2020?

A. SBI
B. NABARD
C. RBI
D. ADB
E. PNB
Answer» C. RBI
10129.

She is very fond ______________ me.

A. on
B. of
C. in
D. the
Answer» C. in
10130.

Select the synonym of the given word.Enhance

A. Reduce
B. Frighten
C. Shrink
D. Improve
Answer» E.
10131.

The shear reinforcement in RCC is provided to resist

A. diagonal tension
B. diagonal compression
C. horizontal shear
D. vertical shear
Answer» B. diagonal compression
10132.

The WGC’s 2019 First Quarter Global Trends Report said that worldwide gold demand increased to 1,053 tonnes in the Q1. This is an increase of ________% compared to the first quarter of 2018.

A. 5
B. 6
C. 7
D. 8
E. 9
Answer» D. 8
10133.

Which motor has to start with high acceleration?

A. Pumping stations
B. Flour mills
C. Lifts and City electrical trains
D. Textile mills
Answer» D. Textile mills
10134.

What will be the H.C.F. of x2 – x – 12, x2 – 7x + 12, 2x2 – 11x + 15?

A. 1
B. (x – 3)
C. 2x – 5
D. x – 4
Answer» B. (x – 3)
10135.

The recently developed app "Insta Flexi Cash" launched by which bank?

A. Axis bank
B. ICICI Bank
C. HDFC Bank
D. HSBC Bank
E. State Bank of India
Answer» C. HDFC Bank
10136.

The norm of providing standby equipment for one shift operation is

A. 6%
B. 10%
C. 20%
D. 25%
Answer» C. 20%
10137.

The price of a certain brand of shirts has risen by 20% in one year but during the New Year season, a discount of 5% is offered. What is the effective increase?

A. 15%
B. 14%
C. 16%
D. 12%
Answer» C. 16%
10138.

Select the option that is related to the third word in the same way as the second word is related to the first word.Angioplasty : Heart :: Dialysis : ?

A. Lungs
B. Rib-cage
C. Kidney
D. Brain
Answer» D. Brain
10139.

The result of the convolution \({\rm{x}}\left( { - {\rm{t}}} \right){\rm{*\delta }}\left( { - {\rm{t}} - {{\rm{t}}_0}} \right)\) is

A. \({\rm{x}}\left( {{\rm{t}} + {{\rm{t}}_0}} \right)\)
B. \({\rm{x}}\left( {{\rm{t}}-{{\rm{t}}_0}} \right)\)
C. \({\rm{x}}\left( { - {\rm{t}} + {\rm{\;}}{{\rm{t}}_0}} \right)\)
D. \({\rm{x}}\left( { - {\rm{t}}-{{\rm{t}}_0}} \right)\)
Answer» E.
10140.

What is the objective of holding Gram Rozgar Diwas in Panchayats under MGNREGS?

A. Educating Village people to take up self employment
B. Generating employment for farmers
C. Improving the employment opportunities in villages
D. Registering job demand and grievance redressal
Answer» E.
10141.

To provide free & compulsory education to every child from 6-14 years of age was made a fundamental right by which Amendment of the Indian Constitution?

A. 84th Amendment
B. 86th Amendment
C. 89th Amendment
D. 95th Amendment
Answer» C. 89th Amendment
10142.

Two cars travel from city A to city B at a speed of 30 km/hr and 48 km/hr respectively. If one car takes 3 hours lesser time than the other car for the journey, then the distance between City A and City B is

A. 280 km
B. 240 km
C. 250 km
D. 260 km
Answer» C. 250 km
10143.

What is 15 percent of Rs. 34?

A. Rs. 3.40
B. Rs. 5.10
C. Rs. 4.50
D. Rs. 3.75
Answer» C. Rs. 4.50
10144.

The Government of India has proposed to merge Dena Bank and Vijaya Bank along with which of the following banks?

A. Punjab National Bank
B. Bank of Baroda
C. Central Bank of India
D. Bank of India
Answer» C. Central Bank of India
10145.

What approximately will come in the place of the question mark '?' in the following question?0.02 × 8.393 + 6.3 × 7.875 = ?

A. 49.78036
B. 59.78036
C. 35.78036
D. 69.78036
E. 39
Answer» B. 59.78036
10146.

Which of the following property is opposite to brittleness?

A. Hardness
B. Fusibility
C. Toughness
D. Tenacity
Answer» D. Tenacity
10147.

Which of the following has partnered with Taiwan Semiconductor Manufacturing Co (TSMC) to develop micro OLED displays, which it plans to use in its upcoming augmented reality (AR) devices?

A. Best Buy
B. Apple Inc
C. Samsung
D. eBay
E. Lenovo
Answer» C. Samsung
10148.

The marked price of an article is Rs. 750 and a customer pays Rs. 600 for it. What is the discount percentage?

A. 20
B. 30
C. 15
D. 10
Answer» B. 30
10149.

What is the necessary condition for rusting of iron?

A. Presence of O2
B. Presence of CO2
C. Absence of O2
D. Absence of water
Answer» B. Presence of CO2
10150.

There are four underlined phrases in the following sentence. Select the one which is wrong. For nearing a decade, the government authorities have been trying to improve the service facilities.

A. facilities
B. For nearing
C. have been trying
D. to improve
Answer» C. have been trying