MCQOPTIONS
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MCQOPTIONS
This section includes 731 Mcqs, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 451. |
The velocity of light was first measured by: |
| A. | Romer |
| B. | Thomas Alva Edison |
| C. | James Watt |
| D. | Faraday |
| Answer» B. Thomas Alva Edison | |
| 452. |
The telephone was invented by: |
| A. | Einstein |
| B. | Robert Hook |
| C. | John Napier |
| D. | Alexander Graham Bell |
| Answer» E. | |
| 453. |
Who discovered that plants have life? |
| A. | Edward Jenner |
| B. | J.C. Bose |
| C. | Louis Pasteur |
| D. | Darwin |
| Answer» C. Louis Pasteur | |
| 454. |
Blaise Pascal is associated with: |
| A. | Bicycle |
| B. | Speed |
| C. | Calculator |
| D. | Electricity |
| Answer» D. Electricity | |
| 455. |
Aeroplane was invented by: |
| A. | Wright Brothers |
| B. | Edward Jenner |
| C. | John Douglas |
| D. | None of the above |
| Answer» B. Edward Jenner | |
| 456. |
Who had invented zero? |
| A. | Egyptians |
| B. | Greeks |
| C. | Indians |
| D. | None of the above |
| Answer» D. None of the above | |
| 457. |
Logarithm tables were invented by: |
| A. | J.J. Thompson |
| B. | John Napier |
| C. | Paul Ehrlich |
| D. | A.G. Bell |
| Answer» C. Paul Ehrlich | |
| 458. |
Ball-Point pen is invented by: |
| A. | Waterman |
| B. | Oscar |
| C. | Wilson |
| D. | Lazlo Biro |
| Answer» E. | |
| 459. |
What is the meaning of the term Topology? |
| A. | It is the study of places and natural features. |
| B. | Study of hair and its disorders. |
| C. | It is the study of shape and features of the moon. |
| D. | Study of theological salvation. |
| Answer» B. Study of hair and its disorders. | |
| 460. |
Thalassography is the science of: |
| A. | Sea |
| B. | Animal tissues |
| C. | Humidity |
| D. | Measuring heights |
| Answer» B. Animal tissues | |
| 461. |
Study of increasing the habitability of the earth is termed as: |
| A. | Geology |
| B. | Geotechnics |
| C. | Geoponics |
| D. | Geogony |
| Answer» C. Geoponics | |
| 462. |
Entozoology is the study of: |
| A. | Enigmas |
| B. | Glands |
| C. | Enzymes |
| D. | Parasites that live inside larger organisms. |
| Answer» E. | |
| 463. |
Chirology is the study of: |
| A. | Hands |
| B. | Feet |
| C. | Comets |
| D. | Skull |
| Answer» B. Feet | |
| 464. |
What is Bryology? |
| A. | Study of food |
| B. | Study of fruit |
| C. | Study of mosses and liverworts |
| D. | Study of rings |
| Answer» D. Study of rings | |
| 465. |
What do you understand by Aerodynamics: |
| A. | It is a science of movement in a flow of air or gas. |
| B. | It is a science of generative organs. |
| C. | It is a science of pleasure and pain. |
| D. | None of the above |
| Answer» B. It is a science of generative organs. | |
| 466. |
Coronagraph is used for: |
| A. | Study the veins |
| B. | Studying Blood Pressure |
| C. | Studying the arteries |
| D. | Observing and often photographing the sun’s corona. |
| Answer» E. | |
| 467. |
Fathometer is used to measure: |
| A. | Earthquakes |
| B. | Rainfall |
| C. | Ocean depth |
| D. | Sound intensity |
| Answer» D. Sound intensity | |
| 468. |
Name an instrument used to measure the intensity of earthquakes? |
| A. | Richter Scale |
| B. | Ammeter |
| C. | Hyetometer |
| D. | Oometer |
| Answer» B. Ammeter | |
| 469. |
Name an instrument used to measure electric resistance? |
| A. | Ohmmeter |
| B. | Electrometer |
| C. | Galvanometer |
| D. | Spectrometer |
| Answer» B. Electrometer | |
| 470. |
Name an instrument which is used to measure the Density of milk? |
| A. | Lactometer |
| B. | Hydrometer |
| C. | Barometer |
| D. | Hygrometer |
| Answer» B. Hydrometer | |
| 471. |
Name the instrument that is used to measure Relative Humidity? |
| A. | Hygrometer |
| B. | Hydrometer |
| C. | Barometer |
| D. | Mercury Thermometer |
| Answer» B. Hydrometer | |
| 472. |
The energy of food is measured in: |
| A. | Calories |
| B. | Celsius |
| C. | Kelvin |
| D. | None of the above |
| Answer» B. Celsius | |
| 473. |
Epidemiology is the study of: |
| A. | Endodermis disease |
| B. | Dermis disease |
| C. | Epidemic disease |
| D. | None of the above |
| Answer» D. None of the above | |
| 474. |
Ornithology is the: |
| A. | Study of plants |
| B. | Study of bones |
| C. | Study of noise |
| D. | Study of birds |
| Answer» E. | |
| 475. |
Eugenics is the study of: |
| A. | Different races of mankind |
| B. | Genetics of plants |
| C. | People of European region |
| D. | Altering human beings by changing their genetic components. |
| Answer» E. | |
| 476. |
Numismatics is the study of: |
| A. | Coins |
| B. | Numbers |
| C. | Stamps |
| D. | Space |
| Answer» B. Numbers | |
| 477. |
Oncology is the study of: |
| A. | Birds |
| B. | Cancer |
| C. | Mammals |
| D. | Soil |
| Answer» C. Mammals | |
| 478. |
Anatomy is a branch of Science which deals with: |
| A. | Structure of animals and plants |
| B. | Functioning of body organs |
| C. | Animal behaviour |
| D. | Cells and tissues |
| Answer» B. Functioning of body organs | |
| 479. |
How the quality of printer is measured? |
| A. | Alphabet per strike |
| B. | Words per Inch |
| C. | Strike per Inch |
| D. | Dots per Inch |
| Answer» E. | |
| 480. |
Which of the following is also called translator? |
| A. | Data representation |
| B. | MS-DOS |
| C. | Operating System |
| D. | Language Processor |
| Answer» E. | |
| 481. |
Select the example of application software of computer: |
| A. | Ms Word |
| B. | Ms Excel |
| C. | Both A and B |
| D. | MS-DOS |
| Answer» D. MS-DOS | |
| 482. |
Find out the correct definition of Wide Area Network (WAN)? |
| A. | It is a programming language with strong abstraction from the details of the computer. |
| B. | It is a collection of computers interconnected with each other through cables to share their data, information and other common hardware resources. |
| C. | A computer network that covers a broad area (i.e., any network, whose communications links cross metropolitan, regional or national boundaries). |
| D. | A computer network covering a small physical area like a home, office or small groups of buildings, such as a school or an airport. |
| Answer» D. A computer network covering a small physical area like a home, office or small groups of buildings, such as a school or an airport. | |
| 483. |
Which was first virus detected on ARPANET, the forerunner of the internet in the early 1970s? |
| A. | Exe Flie |
| B. | Creeper Virus |
| C. | Peeper Virus |
| D. | Trozen horse |
| Answer» C. Peeper Virus | |
| 484. |
Who among the following used the term computer worm for the first time? |
| A. | John Brunner |
| B. | Alan Turing |
| C. | John McCarthy |
| D. | JP Eckert |
| Answer» B. Alan Turing | |
| 485. |
Which was the world's first successful electronic computer? |
| A. | PARAM |
| B. | CRAY-1 |
| C. | Pascaline |
| D. | ENIAC electronic Numerical Integrator and computer |
| Answer» E. | |
| 486. |
Who among the following considered as the 'father of artificial intelligence'? |
| A. | Charles Babbage |
| B. | Lee De Forest |
| C. | John McCarthy |
| D. | JP Eckert |
| Answer» D. JP Eckert | |
| 487. |
Who invented mechanical calculator called Pascaline? |
| A. | Charles Babbage |
| B. | Blaise Pascal |
| C. | Alan Turing |
| D. | Lee De Forest |
| Answer» E. | |
| 488. |
Which of the following is the first calculating device? |
| A. | Abacus |
| B. | Calculator |
| C. | Turing Machine |
| D. | Pascaline |
| Answer» B. Calculator | |
| 489. |
Partial or total blocking of light of one celestial object by another. |
| A. | Partial or total blocking of light by Moon. |
| B. | Partial or total blocking of light by Earth. |
| C. | Partial or total blocking of light by Sun. |
| Answer» B. Partial or total blocking of light by Earth. | |
| 490. |
Select the correct option matching together about Earth shadows: 1. Umbra – darker, central part 2. Penumbra – the outer part 3. Antumbra – partly shaded area beyond the umbra Correct Options are: |
| A. | Only 1 and 2 |
| B. | Only 2 and 3 |
| C. | Only 1 |
| D. | All 1, 2 and 3 |
| Answer» E. | |
| 491. |
What is the SI unit of electric power? |
| A. | Coulomb |
| B. | Watt |
| C. | Volt |
| D. | Meter |
| Answer» C. Volt | |
| 492. |
Which of the following are semi-conductors? |
| A. | Nichrome |
| B. | Copper |
| C. | Silicon |
| D. | Aluminium |
| Answer» D. Aluminium | |
| 493. |
Semi-conductors are used for making: |
| A. | Solar cells |
| B. | Toasters |
| C. | Geysers |
| D. | Room heaters |
| Answer» B. Toasters | |
| 494. |
The heating elements of electric iron and toaster are made of: |
| A. | Metals |
| B. | Alloys |
| C. | Glass |
| D. | Hard rubber |
| Answer» C. Glass | |
| 495. |
Which alloy is used to make the heating elements of electric iron, electric kettle, geysers etc.? |
| A. | Constantan |
| B. | Manganin |
| C. | Nichrome |
| D. | All of the above |
| Answer» E. | |
| 496. |
Which of the following metals has the lowest resistivity? |
| A. | Nickel |
| B. | Manganese |
| C. | Silver |
| D. | Mercury |
| Answer» D. Mercury | |
| 497. |
What is the resistivity of aluminium? |
| A. | 2.63 * 10-8 ohm-meter |
| B. | 1.60 * 10-8 ohm-meter |
| C. | 44 * 10-8 ohm-meter |
| D. | 184.0 * 10-8 ohm-meter |
| Answer» B. 1.60 * 10-8 ohm-meter | |
| 498. |
On what does the resistivity of a substance depends? |
| A. | Length |
| B. | Thickness |
| C. | Temperature |
| D. | All of the above |
| Answer» D. All of the above | |
| 499. |
What is the SI unit of resistivity? |
| A. | Meter |
| B. | Watt |
| C. | Ohm-metre |
| D. | Volt |
| Answer» D. Volt | |
| 500. |
What is the formula for calculating resistivity of the material of a conductor? |
| A. | Resistivity = R * A/ L |
| B. | Resistivity = R + A/ I |
| C. | Resistivity = R - A/ I |
| D. | Resistivity = R * A |
| Answer» B. Resistivity = R + A/ I | |