MCQOPTIONS
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MCQOPTIONS
This section includes 6820 Mcqs, each offering curated multiple-choice questions to sharpen your Science knowledge and support exam preparation. Choose a topic below to get started.
| 3051. |
Which quantity is derived from Ohm's law? |
| A. | of electric current |
| B. | of resistance |
| C. | of potential difference |
| D. | of electrical capacitance |
| Answer» C. of potential difference | |
| 3052. |
Artificial splitting of molecules was discovered by? |
| A. | by dalton |
| B. | by Fermi |
| C. | by rutherford |
| D. | by madam curie |
| Answer» C. by rutherford | |
| 3053. |
Who was the inventor of mercury thermometer? |
| A. | edison |
| B. | Fahrenheit |
| C. | galileo |
| D. | hicks |
| Answer» C. galileo | |
| 3054. |
Which of the following scientist discovered the principles of inheritance? |
| A. | by Darwin |
| B. | Mendel |
| C. | DeVries |
| D. | by Lamarck |
| Answer» C. DeVries | |
| 3055. |
What is the unit of light year? |
| A. | of time |
| B. | of light intensity |
| C. | of distance |
| D. | none of these |
| Answer» D. none of these | |
| 3056. |
Who invented the smallpox vaccine? |
| A. | Priestley |
| B. | ruffetin |
| C. | edward jenner |
| D. | Lloyd |
| Answer» D. Lloyd | |
| 3057. |
Atohan is related to which invention? |
| A. | Artificial radioactivity |
| B. | nuclear fusion |
| C. | Nuclear fission |
| D. | relativistic theory |
| Answer» D. relativistic theory | |
| 3058. |
Who invented the miners safety lamp? |
| A. | edison |
| B. | Humphrey Davy |
| C. | Richard Arkwright |
| D. | faraday |
| Answer» C. Richard Arkwright | |
| 3059. |
What is the unit of Volt? |
| A. | of electric current |
| B. | of resistance |
| C. | of potential difference |
| D. | of specific resistance |
| Answer» D. of specific resistance | |
| 3060. |
Who Invented the Fountain Pan? |
| A. | Waterman |
| B. | Gillette |
| C. | faraday |
| D. | lead steiner |
| Answer» B. Gillette | |
| 3061. |
Who invented the electronic computer? |
| A. | pascal |
| B. | J. P. Eckert |
| C. | Charles Babbage |
| D. | Calyder. The rest |
| Answer» C. Charles Babbage | |
| 3062. |
Who invented the writing system for the blind to read? |
| A. | madam curie |
| B. | Einstein |
| C. | louis braille |
| D. | Archimedes |
| Answer» D. Archimedes | |
| 3063. |
Who discovered the theory of relativity? |
| A. | Einstein |
| B. | edison |
| C. | Khurana |
| D. | newton |
| Answer» B. edison | |
| 3064. |
Who invented the printing press? |
| A. | William Caxton |
| B. | Robert Watson |
| C. | by roentgen |
| D. | Karl Benz |
| Answer» B. Robert Watson | |
| 3065. |
Who invented X-Rays? |
| A. | by rutherford |
| B. | Newton |
| C. | by roentgen |
| D. | by Baird |
| Answer» D. by Baird | |
| 3066. |
What is the unit of power? |
| A. | newton |
| B. | Wait |
| C. | joule |
| D. | none of these |
| Answer» D. none of these | |
| 3067. |
Who discovered 'Streptomycin'? |
| A. | Waxman |
| B. | rutherford |
| C. | Bushwell |
| D. | none of these |
| Answer» B. rutherford | |
| 3068. |
Who invented the space telescope? |
| A. | galileo |
| B. | village bull |
| C. | caplar |
| D. | none of the above |
| Answer» E. | |
| 3069. |
Who invented the bulb? |
| A. | by rutherford |
| B. | Fleming |
| C. | by edison |
| D. | ohm ne |
| Answer» D. ohm ne | |
| 3070. |
Ptolemy's theory of the earth is that? |
| A. | Earth is the center of the universe and the sun revolves around it |
| B. | The Earth is not the center of the universe and the Sun does not revolve around it |
| C. | Earth rotates as well as rotates |
| D. | Earth is a satellite of the Sun |
| Answer» B. The Earth is not the center of the universe and the Sun does not revolve around it | |
| 3071. |
What is an instrument to measure atmospheric pressure? |
| A. | barometer |
| B. | Periscope |
| C. | hydrometer |
| D. | thermometer |
| Answer» B. Periscope | |
| 3072. |
Who invented insulin? |
| A. | ijkman |
| B. | Betting |
| C. | Domagk |
| D. | H. G. Khurana |
| Answer» C. Domagk | |
| 3073. |
Which instrument is used to measure the purity of milk? |
| A. | Lactometer |
| B. | manometer |
| C. | pyrometer |
| D. | tachometer |
| Answer» B. manometer | |
| 3074. |
Which of the following is the softest? |
| A. | alum |
| B. | Diamond |
| C. | Terrylium |
| D. | topaz |
| Answer» C. Terrylium | |
| 3075. |
Who discovered the atom bomb? |
| A. | Atohan has |
| B. | by Albert Einstein |
| C. | by Kepler |
| D. | by rutherford |
| Answer» B. by Albert Einstein | |
| 3076. |
What determines the nature of the path traveled by a particle? |
| A. | by acceleration |
| B. | with speed |
| C. | by displacement |
| D. | none of the above |
| Answer» E. | |
| 3077. |
What do players use for instant power? |
| A. | sucrose |
| B. | vitamin C |
| C. | Salt |
| D. | Milk |
| Answer» B. vitamin C | |
| 3078. |
Which gas is used to ripen fruits unnaturally? |
| A. | ethylene |
| B. | ethane |
| C. | Carbon dioxide |
| D. | acetylene |
| Answer» B. ethane | |
| 3079. |
Which of the following is a non-conserving force? |
| A. | force of gravity |
| B. | force of viscosity |
| C. | inter atomic force |
| D. | electrostatic force |
| Answer» C. inter atomic force | |
| 3080. |
Who among the following is the inventor of Dynamite? |
| A. | Einstein |
| B. | newton |
| C. | Alfred Nobel |
| D. | madame curie |
| Answer» D. madame curie | |
| 3081. |
Which of the following elements forms a strong basic oxide when burnt in oxygen? |
| A. | Phosphorus |
| B. | sodium |
| C. | iron |
| D. | sulfur |
| Answer» C. iron | |
| 3082. |
The Richter Scale is used to measure what? |
| A. | earthquake intensity |
| B. | wind speed |
| C. | sea depth |
| D. | body temperature |
| Answer» B. wind speed | |
| 3083. |
Is it Fathom? |
| A. | there is a fish |
| B. | a plant name |
| C. | a pot is called |
| D. | a measure |
| Answer» E. | |
| 3084. |
Which of the following is not a fuel gas? |
| A. | Water gas |
| B. | Producer gas |
| C. | Laughing gas |
| D. | Marsh gas |
| Answer» D. Marsh gas | |
| 3085. |
How vegetable oils are converted into ghee? |
| A. | Heat Treatment |
| B. | by hydrogenation |
| C. | by oxygen |
| D. | Enzymes |
| Answer» C. by oxygen | |
| 3086. |
Insulin was discovered by? |
| A. | by banting |
| B. | by domac |
| C. | By Ronald Ross |
| D. | Harvey has |
| Answer» B. by domac | |
| 3087. |
Does iron get rusted? |
| A. | from ferric oxide |
| B. | from hydrated ferrous and ferric oxide |
| C. | from alkaline ferrous and ferric carbonate |
| D. | due to all of the above |
| Answer» E. | |
| 3088. |
Which substance remains dissolved in tears? |
| A. | common salt |
| B. | Sea |
| C. | starch |
| D. | Glucose |
| Answer» B. Sea | |
| 3089. |
Splitting of glucose relates to |
| A. | summer |
| B. | photorespiration |
| C. | glycolysis |
| D. | pyruvic acid |
| Answer» D. pyruvic acid | |
| 3090. |
Villi and microvilli increase |
| A. | respiration |
| B. | assimilation |
| C. | absorption |
| D. | ingestion |
| Answer» D. ingestion | |
| 3091. |
The normal pH of human blood is |
| A. | 6.4 |
| B. | 7 |
| C. | 7.4 |
| D. | 7.5 |
| Answer» D. 7.5 | |
| 3092. |
Shrinkage of protoplast due to exosmosis of water is |
| A. | imbibition |
| B. | plasmolysis |
| C. | deplasmolysis |
| D. | adhesion |
| Answer» C. deplasmolysis | |
| 3093. |
Water potential of pure water is |
| A. | zero |
| B. | one |
| C. | negative |
| D. | two |
| Answer» B. one | |
| 3094. |
The respiratory problem most common in smokers is |
| A. | tuberculosis |
| B. | emphysema |
| C. | asthma |
| D. | cancer |
| Answer» C. asthma | |
| 3095. |
Artherosclerosis is a major condition leading to |
| A. | heart attack |
| B. | hypertension |
| C. | stroke |
| D. | tumor |
| Answer» B. hypertension | |
| 3096. |
Bean shaped cells in plants are |
| A. | mesophyll cells |
| B. | xylem cells |
| C. | phloem cells |
| D. | guard cells |
| Answer» E. | |
| 3097. |
Earthworm lives in |
| A. | placenta |
| B. | moist soil |
| C. | fresh water |
| D. | none of these |
| Answer» C. fresh water | |
| 3098. |
Rich source of energy in seimen is |
| A. | glucose |
| B. | fructose |
| C. | lactose |
| D. | sacrose |
| Answer» B. fructose | |
| 3099. |
The foetus is protected from the mechanical damage by the |
| A. | cervix |
| B. | vagina |
| C. | uterus |
| D. | amniotic fluid |
| Answer» E. | |
| 3100. |
Kangaroo has an abdominal pouch known as |
| A. | ingestion |
| B. | guttural pouch |
| C. | marsupial |
| D. | all of these |
| Answer» D. all of these | |