Download AppGovt. JobsFree G.K. & Current AffairsScholarshipBlog
Free PracticeContact
📚 Exam by Category
▾
Objective Questions

Latest OPSC AEE Civil Exam Question (Objective Questions), MCQ in English

Subjects : General Science, General Awareness/Knowledge

Question Bank OPSC AEE Civil Mains Exam Paper 1 - English
Back to Exam

General Science

Question 1Single Answer
Which Windows interface element typically appears to display information, a warning, an error message, or a request for confirmation?
  1. A
    Window
  2. B
    Pop-up menu
  3. C
    Message box
  4. D
    Taskbar
Question 2Single Answer
What is active desktop ?
  1. A
    a term that is synonymous with viewing your desktop as web page
  2. B
    a feature to customize your desktop to display informating you can update from the internet
  3. C
    both a and b above mentioned
  4. D
    A software
  5. E
    None of these
Question 3Single Answer
What is meant by an active window?
  1. A
    A window that is minimized
  2. B
    The window currently receiving user input
  3. C
    Any window currently open
  4. D
    The window opened first
Question 4Single Answer
What was America Online (AOL) primarily known for during the early popularization of consumer Internet access?
  1. A
    An online service providing Internet access and proprietary online content
  2. B
    A computer operating system
  3. C
    A spreadsheet application
  4. D
    A database management system
Question 5Single Answer
An application is
  1. A
    word processing, accounting and engineering programs are example of application programs
  2. B
    computer program designed to enable users to perform specific job functions
  3. C
    Both a and b above mentioned
  4. D
    a document
  5. E
    None of these
Question 6Single Answer
Which of the following programs enables you to calculate numbers related to rows and columns?
  1. A
    Window program
  2. B
    Spreadsheet program
  3. C
    Graphics program
  4. D
    Word program
  5. E
    None of these
Question 7Single Answer
The term Briefcase is used for
  1. A
    a special folder on the windows desktop used to keep documents up to date when shared between computers
  2. B
    a window that us currently open
  3. C
    A folder which keeps deleted, files for a while and can be retrieved from it
  4. D
    All of the above
  5. E
    None of these
Question 8Single Answer
In a graphical user interface, what is a button primarily used for?
  1. A
    Executing a command or initiating an action
  2. B
    Permanently storing data
  3. C
    Displaying the computer's IP address
  4. D
    Formatting a disk automatically
Question 9Single Answer
A channel (in windows terminology) is
  1. A
    a widely used online service that offers access to the internet
  2. B
    a specialized web site designed to work with the windows 98 subscribing feature to automatically download information from the internet and store it on your computer for later viewing
  3. C
    an area on the computer memory where text or graphics can be temporarily stored
  4. D
    All of the above
  5. E
    None of these
Question 10Single Answer
What does a checked checkbox generally indicate in a graphical user interface?
  1. A
    The associated option is enabled or selected
  2. B
    The application has closed
  3. C
    The file has been deleted
  4. D
    The computer is offline
Question 11Single Answer
In food, starch is detected by its :           
  1. A
    Granular form          
  2. B
    Energy reserve
  3. C
    White appearance       
  4. D
    Blue reaction with iodine
Question 12Single Answer
Cut surfaces of fruits often becomes dark due to :             
  1. A
    Dirty knife       
  2. B
    Oxidetion of iron containing chemicals                
  3. C
    Dissolution of iron of the knife            
  4. D
    Oxidation of tannic acid assisted by traces of iron form knife            
Question 13Single Answer
Kranz anatomy is typical of :        
  1. A
    C4 plants          
  2. B
    C3 plants       
  3. C
    C2 plants       
  4. D
    CAM plants     
Question 14Single Answer
Bakanae disease in rice plants (Oryza sativa ) is caused by :                 
  1. A
    Naphthalene acetic acid (NAA)                 
  2. B
    2 , 4-Dichlorophenoxy acetic acid (2,4-D)     
  3. C
    Gibberellic  acid (GA)         
  4. D
    Indole Acetic acid (IAA)      
Question 15Single Answer
A monosomic organism can best be represented as :                     
  1. A
    2n-1
  2. B
    2n+2
  3. C
    n+l
  4. D
    2n-2
Question 16Single Answer
Chemicals used for transmitting messages to members of same species are :                 
  1. A
    Allochemics
  2. B
    Kairomones
  3. C
    Auxins
  4. D
    Pheromones
Question 17Single Answer
Tomato and potato belong to :         
  1. A
    North America      
  2. B
    South America            
  3. C
    Asia minor
  4. D
    Ethiopia
Question 18Single Answer
At which part of plant potatoes are borne ?             
  1. A
    Primary root         
  2. B
    Stolons
  3. C
    Lateral roots         
  4. D
    Adventitious roots
Question 19Single Answer
Wild saccharum sponkaneum was used for introducing resistance to :  
  1. A
    Smut disease
  2. B
    Red rot disease
  3. C
    Loose smut disease
  4. D
    All of these
Question 20Single Answer
Which of the following cultivar of rice was discovered by Dr. G.S. khush and is most widely grown in the world?                    
  1. A
    IR-26.            
  2. B
    IR-36.            
  3. C
    Pusa-24.           
  4. D
    Ratna.      
Question 21Single Answer
In ruby laser, the stimulated emission is due to transition from
  1. A
    metastable state to any lower state
  2. B
    any higher state of lower state
  3. C
    metastable state to ground state
  4. D
    any higher state to ground state
Question 22Single Answer
A direct current I flows along the length of an infinitely long straight thin walled pipe, then the magnetic field is
  1. A
    uniform throughout the pipe not zero
  2. B
    zero only along the axis of the pipe
  3. C
    zero at any point inside the pipe
  4. D
    maximum at the centre and minimum at the edge
Question 23Single Answer
convex lens made of glass has focal length 0.15m in air. If the refractive index of glass is 3/2, and that of water is 4/3 the focal length of lens when immersed in water is
  1. A
    0.45 m    
  2. B
    0.15 m
  3. C
    0.30 m       
  4. D
    0.6 m
Question 24Single Answer
Two sources are said to be coherent if they produce waves
  1. A
    having a constant phase difference
  2. B
    of equal wavelength
  3. C
    of equal speed
  4. D
    having same shape of wavefront
Question 25Single Answer
Three resistors 1 Ω, 2 Ω, 3Ω resistor a 3 V battery is connected. The current through 3 Ω resistor is -
  1. A
    0.75 A     
  2. B
    1 A
  3. C
    2 A         
  4. D
    1.5 A
Question 26Single Answer
In a common emitter amplifier the input signal is applied across
  1. A
    anywhere 
  2. B
    emitter-collector
  3. C
    collector-base
  4. D
    base-emitter
Question 27Single Answer
Adding detergents to water helps in removing dirty greasy stains. This is because
1. It increases greasy stains. This is because
2. It decreases the oil-water surface tension
3. It increases the viscosity of the solution
4. Dirt is held suspended surrounded by detergent molecules
  1. A
    2 and 4
  2. B
    1 only
  3. C
    3 and 4
  4. D
    4 only
Question 28Single Answer
Choose the correct statement (a) for a cricket ball that is spinning clockwise through air
S1 : Statemlines of air are symmetric around the ball.
S2 : The velocity of air above the ball relative to it is larger than that below the ball.
S3 : The velocity of air above the ball relative to it is smaller than that below the ball.
S4 : There is a net upward force on the ball.
  1. A
    S1,S2 and S4
  2. B
    S2 and S4
  3. C
    S4 only
  4. D
    S3 only
Question 29Single Answer
Ferromagnetic materials used in a transformer must have
  1. A
    low permeability and high hysterisis loss
  2. B
    high permeability and low hysterisis loss
  3. C
    high permeability and high hysterisis loss
  4. D
    low permeability and low hysterisis loss
Question 30Single Answer
According to Newton’s corpuscular theory, the speed of light is
  1. A
    same in all the medium
  2. B
    lesser in rarer medium
  3. C
    lesser in denser medium
  4. D
    independent of the medium
Question 31Single Answer
10-6 M NaOH is diluted 100 times. The pH of the diluted base is
  1. A
    between 7 and 8
  2. B
    between 5 and 6
  3. C
    between 6 and 7
  4. D
    between 10 and 11
Question 32Single Answer
In the electrolysis of acidulated water, it is desired to obtain 1.12 cc of hydrogen per second under STP condition. The current to be passed is
  1. A
    1.93 A         
  2. B
    9.65 A
  3. C
    19.3 A        
  4. D
    0.965 A
Question 33Single Answer
The one which decreases with dilution is
  1. A
    molar conductance
  2. B
    conductance
  3. C
    specific conductance
  4. D
    equivalent conductance
Question 34Single Answer
Vapour pressure of pure ‘A’ is 70 mm of Hg at 25oC. It forms an ideal solution with ‘B’ in which mole fraction of A is 0.8. if the vapour pressure of the solution is 84 mm of Hg at 25oC, the vapour pressure of pure ‘B’ at 25oC is
  1. A
    28 mm   
  2. B
    56 mm
  3. C
    70 mm    
  4. D
    140 mm
Question 35Single Answer
A 6% solution of urea is isotonic with
  1. A
    1 M solution of glucose
  2. B
    0.05 M solution of glucose
  3. C
    6% solution of glucose
  4. D
    25% solution of glucose
Question 36Single Answer
In countries nearer to polar region, the roads are sprinkled with CaCl2. This is
  1. A
    to minimise the wear and tear of the roads
  2. B
    to minimise the snow fall
  3. C
    to minimise pollution
  4. D
    to minimise the accumulation of dust on the road
Question 37Single Answer
A compound of ‘A’ and ‘B’ crystallises in a cubic lattice in which ‘A’ atoms occupy the lattice points at the corners of the cube. The ‘B’ atoms occupy the centre of each face of the cube. The probable empirical formula of the compound is
  1. A
    AB2 
  2. B
    A2B
  3. C
    AB
  4. D
    AB3
Question 38Single Answer
In electrophilic aromatic substitution reaction, the nitro group is meta directing because it
  1. A
    decreases electron density at ortho and para positions
  2. B
    decreases electron density at meta position
  3. C
    increases electron  density at meta position
  4. D
    increases electron density at ortho and para position
Question 39Single Answer
The best method for the conversion of an alcohol into an alkyl chloride is by treating the alcohol with
  1. A
    PCI5
  2. B
    PCI3
  3. C
    SOCl2 in presence of pyridine
  4. D
    dry HCl in the presence of anhydrous ZnCl2
Question 40Single Answer
The carbon bond length in benzene is
  1. A
    in between C2H6 and C2H4
  2. B
    same as in C2H4
  3. C
    in between C2H6 and C2H2
  4. D
    in between C2H4 and C2H2
Question 41Single Answer
The respiratory quotient during cellular respiration would depend on
  1. A
    the nature of enzymes involved
  2. B
    the nature of the substrate
  3. C
    the amount of carbon dioxide released
  4. D
    the amount of oxygen utilised
Question 42Single Answer
Which of the following is not a green - house gas ?
  1. A
    Water vapour
  2. B
    Carbon monoxide
  3. C
    Methane
  4. D
    Oxygen
Question 43Single Answer
Both husband and wife have normal vision though their fathers were colorblind and mothers did not have any gene for colorblindness. The probability of their daughters becoming colorblind is
  1. A
    50%          
  2. B
    75%
  3. C
    0% 
  4. D
    25%
Question 44Single Answer
An animal, which has both exoskeleton and endoskeleton structures is a
  1. A
    fresh-water mussel
  2. B
    tortoise
  3. C
    frog
  4. D
    jelly fish
Question 45Single Answer
Identify the group, which includes animals all of which give birth to young ones directly?
  1. A
    Dolphin, kangaroo, bat, cat
  2. B
    Platypus, penguin, bat, hippopotamus
  3. C
    shrew, bat, kiwi, car
  4. D
    Lion, whale, ostrich, bat
Question 46Single Answer
Compare the statement A and B.
Statement A Blood sugar level falls rapidly after hepatectomy.
Statement B The glycogen of the liver is the principal source of blood sugar.
Select the correct description.
  1. A
    Both the statements A and B are correct and B is the reason for A
  2. B
    Statement A is correct and B is wrong
  3. C
    Statement A is wrong and B is correct
  4. D
    Both the statements A and B are correct and B is not the reason for A
Question 47Single Answer
What is/are true about heart wood?
(A) It does not help in water conduction.
(B) It is also called laburnum.
(C) It is dark in colour but very soft.
(D) It has tracheary elements which are filled with tannin, resin, etc.
  1. A
    B,C and D
  2. B
    A and D
  3. C
    B and D
  4. D
    A, B and C
Question 48Single Answer
Compare the statements A and B.
Statement A Auxins promote apical dominance by suppressing the activity of lateral buds.
Statement B In moriculature, periodic pruning of shoot tips is done to make mulberry plants bushy.
Select the correct description.
  1. A
    Both the statements A and B are correct and A is the reason for B
  2. B
    Statement A is correct and B is wrong
  3. C
    Statement A is wrong and B is correct
  4. D
    Both the statements A and B are correct and A is not the reason for B
Question 49Single Answer
Bryophytes resemble algae is the following aspects
  1. A
    Filamentous body, presence of vascular tissues and autotrophic nutrition
  2. B
    Differentiation of plant body into root, stem and leaves and autotrophic nutrition
  3. C
    Thallus like plant body, presence of roots and autotrophic nutrition
  4. D
    Thallus like plant body, lack of vascular tissues and autotrophic nutrition
Question 50Single Answer
Stoma opens, when
  1. A
    guard cells swell due to an increase in their water potential
  2. B
    guard cells swell by endosmosis duie to influx of hydrogen ions (protons)
  3. C
    guard cells swell by endosmosis due to efflux of potassium ions
  4. D
    guard cell swell due to a decrease in their water potential
Important Questions Package

OPSC AEE Civil Exam Online Question Bank Package

Buy OPSC AEE Civil Important Questions, MCQ, question answer in Hindi & English. It will help you to score high marks in OPSC AEE Civil question bank 2026 in Online, PDF & Print study material.

+ Free Monthly Current Affairs, GK & more PDF Download
Sr.Package NameAmount
1.OPSC AEE Civil Prelims Exam - English
Description : 1000 Question with Answer
₹101 [₹500]
2.OPSC AEE Civil Prelims Exam - English
Description : 2000 Question with Answer
₹151 [₹500]
3.OPSC AEE Civil Mains Exam Paper 1 - English
Description : 1000 Question with Answer
₹101 [₹500]
4.OPSC AEE Civil Mains Exam Paper 1 - English
Description : 2000 Question with Answer
₹151 [₹500]
5.OPSC AEE Civil Mains Exam Paper 1 - English
Description : 3000 Question with Answer
₹181 [₹500]
6.OPSC AEE Civil Mains Exam Paper 2 - English
Description : 1000 Question with Answer
₹101 [₹500]
7.OPSC AEE Civil Mains Exam Paper 2 - English
Description : 2000 Question with Answer
₹151 [₹500]
8.OPSC AEE Civil Prelims Exam - English
Description : 1000 Question & Answer Download in PDF (Send by Email)
₹151 [₹450]
9.OPSC AEE Civil Mains Exam Paper 1 - English
Description : 1000 Question & Answer Download in PDF (Send by Email)
₹151 [₹450]
10.OPSC AEE Civil Mains Exam Paper 2 - English
Description : 1000 Question & Answer Download in PDF (Send by Email)
₹151 [₹450]
11.OPSC AEE Civil Prelims Exam Question Bank Book - English
Description : 1000 Question with Answer (Printed Material)
₹390 [₹600]
12.OPSC AEE Civil Mains Exam Paper 1 Question Bank Book - English
Description : 1000 Question with Answer (Printed Material)
₹390 [₹600]
13.OPSC AEE Civil Mains Exam Paper 2 Question Bank Book - English
Description : 1000 Question with Answer (Printed Material)
₹390 [₹600]
Back to Exam
Question for OPSC AEE Civil 2026 - Quiz / Questions / MCQ - Toppersexam