MCQOPTIONS
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MCQOPTIONS
This section includes 1292 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.
| 1001. |
Which type of electromagnetic radiation has the shortest wavelength? |
| A. | Gamma rays |
| B. | X-rays |
| C. | Radio waves |
| D. | Infrared rays |
| Answer» B. X-rays | |
| 1002. |
Which type of electromagnetic radiation has the longest wavelength? |
| A. | UV rays |
| B. | Radio waves |
| C. | X rays |
| D. | Infrared waves |
| Answer» C. X rays | |
| 1003. |
Which type of battery is used in world’s first fully electric cargo ship launched by China?_x005F_x000D_ |
| A. | Zinc-carbon battery |
| B. | Lithium-ion battery |
| C. | Zinc-air battery |
| D. | Lead-acid battery |
| Answer» C. Zinc-air battery | |
| 1004. |
Which term is not associated with sound wave? |
| A. | Hertz |
| B. | Decibel |
| C. | Candela |
| D. | Mach |
| Answer» D. Mach | |
| 1005. |
Which statement best describes the formation of diamonds?_x005F_x000D_ |
| A. | Diamonds form in talc under very high pressure. |
| B. | Diamonds form in kimberlites under very high pressure. |
| C. | Diamonds form in kimberlites under very low pressure. |
| D. | Diamonds form in talc under very low pressure. |
| Answer» C. Diamonds form in kimberlites under very low pressure. | |
| 1006. |
Which statement best describes an igneous intrusion? |
| A. | Igneous intrusion for when ice crystals splash into lava |
| B. | Magma is injected into surrounding rock forming an igneous intrusive |
| C. | Magma is exported to an open area and forms iron |
| D. | Magma explodes to the surface and forms a smooth outer layer of rock |
| Answer» C. Magma is exported to an open area and forms iron | |
| 1007. |
Which resource is both renewable and inexpensive? |
| A. | Sunlight |
| B. | Coal |
| C. | Gold |
| D. | Minerals |
| Answer» B. Coal | |
| 1008. |
Which results in an increase in power? |
| A. | doing more work in less time. |
| B. | doing less work in more time. |
| C. | doing less work in less time. |
| D. | doing more work in more time. |
| Answer» B. doing less work in more time. | |
| 1009. |
Which rays cause skin damage? |
| A. | XÂ-Rays |
| B. | UV Rays |
| C. | Infra red rays |
| D. | Yellow Rays |
| Answer» C. Infra red rays | |
| 1010. |
Which sources produce alternating current (AC)? |
| A. | Solar power plants |
| B. | Hydro-electric generators |
| C. | Batteries |
| D. | All of the above |
| Answer» C. Batteries | |
| 1011. |
Which property of metals enables production of metallic foils? |
| A. | Malleability |
| B. | Ductility |
| C. | Sonority |
| D. | Conductivity |
| Answer» B. Ductility | |
| 1012. |
Which process allows water to enter the atmosphere? |
| A. | Transpiration |
| B. | Respiration |
| C. | Condensation |
| D. | Evaporation |
| Answer» E. | |
| 1013. |
Which planet has the lowest density? |
| A. | Earth |
| B. | Jupiter |
| C. | Saturn |
| D. | Neptune |
| Answer» D. Neptune | |
| 1014. |
Which physical quantity is measured in 'siemens'? |
| A. | Electric potential |
| B. | Electrical conductance |
| C. | Magnetic flux |
| D. | Refractive index |
| Answer» C. Magnetic flux | |
| 1015. |
Which phenomenon is responsible for the echo of sound wave? |
| A. | Reflection |
| B. | Refraction |
| C. | Interference |
| D. | Polarisation |
| Answer» B. Refraction | |
| 1016. |
Which phenomena shows the particle nature of light? |
| A. | Diffraction |
| B. | Interference |
| C. | Photoelectric effect |
| D. | Polarisation |
| Answer» D. Polarisation | |
| 1017. |
Which phase change is an example of an exothermic process? |
| A. | Liquid to Solid |
| B. | Gas to Solid |
| C. | Gas to Liquid |
| D. | All the above |
| Answer» E. | |
| 1018. |
Which part of the flame is the hottest? |
| A. | Blue Zone |
| B. | Luminous Zone |
| C. | Dark Zone |
| D. | Non - Luminous Zone |
| Answer» B. Luminous Zone | |
| 1019. |
Which one of the following takes place during a nuclear fusion? |
| A. | a heavy nucleus bombarded by neutrons breaks up |
| B. | a heavy nucleus breaks up spontaneously |
| C. | two light nuclei combine to form a heavy nucleus |
| D. | a light nucleus breaks up spontaneously |
| Answer» D. a light nucleus breaks up spontaneously | |
| 1020. |
Which one of the following statements with regard  to  Jet  stream,  an  upper  level tropospheric wave, is not correct? |
| A. | It is narrow band of high-velocity wind. |
| B. | It  follows  the  wave  path  near  the tropopause at elevations of 8 km to 15 km. |
| C. | Jet streams are typically continuous over long distances. |
| D. | In summer, the polar front jet achieves its maximum force. |
| Answer» C. Jet streams are typically continuous over long distances. | |
| 1021. |
Which one of the following processes is responsible for the glittering of air bubble rising through water? |
| A. | Reflection of light |
| B. | Refraction of light |
| C. | Total internal reflection of light |
| D. | Scattering of light |
| Answer» D. Scattering of light | |
| 1022. |
Which one of the following physical quantities has the same dimensions as that of Planck’s constant h? |
| A. | Linear momentum |
| B. | Angular momentum |
| C. | Force |
| D. | Potential energy |
| Answer» C. Force | |
| 1023. |
Which one of the following is the unit of force?_x005F_x000D_ |
| A. | Pascal |
| B. | Watt |
| C. | Joule |
| D. | Newton |
| Answer» E. | |
| 1024. |
Which one of the following is the correct sequence of passage of light in a compound microscope? |
| A. | Condenser -Objective lens -Eye -piece -Body tube |
| B. | Objective lens -Condenser -Body tube -Eye piece |
| C. | Condenser -Objective lens -Body tube -Eyepiece |
| D. | Eyepiece -Objective lens -Body tube -Mirror |
| Answer» D. Eyepiece -Objective lens -Body tube -Mirror | |
| 1025. |
Which one of the following is not a property of electromagnetic waves? |
| A. | Electromagnetic waves do not show interference and diffraction. |
| B. | Oscillating electric field and magnetic field are perpendicular to each other. |
| C. | Electromagnetic waves are transverse waves |
| D. | Electromagnetic waves do not require a medium to propagate. |
| Answer» B. Oscillating electric field and magnetic field are perpendicular to each other. | |
| 1026. |
Which one of the following is applicable to collision-coalescence process of precipitation?_x005F_x000D_ |
| A. | Clouds which do not extend beyond the freezing level |
| B. | Clouds which extend beyond the freezing level |
| C. | All types of clouds |
| D. | Cirrocumulus cloud |
| Answer» B. Clouds which extend beyond the freezing level | |
| 1027. |
Which one among the following is not an electroÂmagnetic wave? |
| A. | XÂ-Ray |
| B. | RÂ-Ray |
| C. | Cathode Ray |
| D. | Infrared Ray |
| Answer» D. Infrared Ray | |
| 1028. |
Which one of the following groups have quantities that do not have the same dimensions |
| A. | pressure, stress |
| B. | velocity, speed |
| C. | force, impulse |
| D. | work, energy |
| Answer» D. work, energy | |
| 1029. |
Which one among the following components can not be developed within an "integrated circuit"? |
| A. | Diode |
| B. | Triode |
| C. | Transformer |
| D. | Transistor |
| Answer» D. Transistor | |
| 1030. |
Which one among the following components is used as an amplifying device? |
| A. | Transformer |
| B. | Diode |
| C. | Capacitor |
| D. | Transistor |
| Answer» E. | |
| 1031. |
Which of these liquids has the highest viscosity? |
| A. | Milk |
| B. | Syrup |
| C. | Pineapple juice |
| D. | Water |
| Answer» C. Pineapple juice | |
| 1032. |
Which of these is true of all simple machines? |
| A. | these make work easier |
| B. | work input > work output |
| C. | Both A & B |
| D. | None of the above |
| Answer» D. None of the above | |
| 1033. |
Which of these is not a simple machine? |
| A. | a pair of scissors |
| B. | a lever |
| C. | a ramp |
| D. | the pulley |
| Answer» B. a lever | |
| 1034. |
Which of these is exhibiting kinetic energy? |
| A. | an archer with a flexed bow |
| B. | a person sitting on a couch while watching TV |
| C. | a space station orbiting Earth |
| D. | All of the above |
| Answer» D. All of the above | |
| 1035. |
Which of these instruments is used to measure the wind speed? |
| A. | Anemometer |
| B. | Inclinometer |
| C. | Fathometer |
| D. | Calorimeter |
| Answer» B. Inclinometer | |
| 1036. |
Which of the following waves cannot be polarised? |
| A. | Radio |
| B. | Ultra violet |
| C. | Infrared |
| D. | Ultrasonic |
| Answer» E. | |
| 1037. |
Which of the following wave CANNOT propagate in a vacuum?_x005F_x000D_ |
| A. | X-rays |
| B. | Radio waves |
| C. | UV-rays |
| D. | Ultrasonic waves |
| Answer» E. | |
| 1038. |
Which of the following uses a Non Renewable Energy Source? |
| A. | Wind Mill Power Plant |
| B. | Hydro Electric Plant |
| C. | Nuclear Power Plant |
| D. | Tidal Power Plant |
| Answer» D. Tidal Power Plant | |
| 1039. |
Which of the following statements is true with respect to Glucometer? |
| A. | It is a medical device |
| B. | It is a non-medical device |
| C. | It is used to measure oxygen level in the air |
| D. | It is used to measure nitrogen level in the air |
| Answer» B. It is a non-medical device | |
| 1040. |
Which of the following statements is true?_x005F_x000D_ The velocity of sound is :_x005F_x000D_ |
| A. | less in summer than in winter |
| B. | same in winter and summer |
| C. | independent of seasons |
| D. | more in summer than in winter |
| Answer» E. | |
| 1041. |
Which of the following statements is correct?_x005F_x000D_ |
| A. | Two or more resistors are said to be connected in series if different current flows through them. |
| B. | Two or more resistors are said to be connected in series if the same current flows through them. |
| C. | Two or more resistors are said to be connected in parallel if the same current flows through them. |
| D. | Two or more resistors are said to be connected in parallel if different current flows through them. |
| Answer» C. Two or more resistors are said to be connected in parallel if the same current flows through them. | |
| 1042. |
Which of the following statements is/are INCORRECT?_x005F_x000D_ Â _x005F_x000D_ A. The value of G on the moon is equal to that on the earth._x005F_x000D_ B. 26.68 x 10-11 N is the force of gravitation between two point masses of 2 kg and 2kg kept 1 m apart._x005F_x000D_ C. Newton's law of gravitation is valid in the laboratory only._x005F_x000D_ D. Force is inversely proportional to the square of the distance between two bodies._x005F_x000D_ |
| A. | B, C and D |
| B. | C and D only |
| C. | Only C |
| D. | Only A |
| Answer» D. Only A | |
| 1043. |
Which of the following represents a relation for ‘heat lost = heat gained’?_x005F_x000D_ |
| A. | Principle of thermal equilibrium |
| B. | Principle of colors |
| C. | Principle of calorimetry |
| D. | Principle of vaporization |
| Answer» D. Principle of vaporization | |
| 1044. |
Which of the following statements is/are INCORRECT?_x005F_x000D_  _x005F_x000D_ A. The value of G depends on the masses of the bodies._x005F_x000D_ B. The ratio of the force of gravitation between two masses, m1 and m2, kept at a distance R on the earth and on the moon is 1:1._x005F_x000D_ C. The value of G depends on the distance between the bodies._x005F_x000D_ D.  Nm2/kg2 is the SI unit of G._x005F_x000D_ |
| A. | D, B, C |
| B. | A, B |
| C. | B and C |
| D. | None |
| Answer» E. | |
| 1045. |
Which of the following properties is found only in ferromagnetic materials ? |
| A. | Susceptibility independent of temperature |
| B. | Point in a particular direction |
| C. | Hysteresis |
| D. | Attracting a magnetic substance |
| Answer» D. Attracting a magnetic substance | |
| 1046. |
Which of the following physical quantity measures the rate of work done? |
| A. | Power |
| B. | Momentum |
| C. | Force |
| D. | Energy |
| Answer» B. Momentum | |
| 1047. |
which of the following physical quantity is dimensionless |
| A. | angle |
| B. | strain |
| C. | specific gravity |
| D. | all of these |
| Answer» E. | |
| 1048. |
Which of the following physical quantities have the same dimensions |
| A. | momentum and impulse |
| B. | power and young modulus |
| C. | Energy and angular Momentum |
| D. | force constant and moment of inertia |
| Answer» B. power and young modulus | |
| 1049. |
Which of the following physical quantities do not have same dimensions |
| A. | Force and Pressure |
| B. | Work and Energy |
| C. | Impulse and momentum |
| D. | Weight and Force |
| Answer» B. Work and Energy | |
| 1050. |
Which of the following physical quantities changes or tends to change the state of rest or of uniform motion of a body in a straight line? |
| A. | Force |
| B. | Mass |
| C. | Momentum |
| D. | Inertia |
| Answer» B. Mass | |