Download SSC Science & Technology questions with answers PDF based on previous papers very useful for SSC GD, CGL, CHSL, JE, Stenographer, MTS, CPO, JE exams. 50 Very important Science & Technology objective questions (MCQ’s) for SSC exams.<\/p>\n
TOP 50 SCIENCE & TECHNOLOGY QUESTIONS FOR SSC PDF<\/a><\/p>\n GET 20 SSC GD MOCK FOR JUST RS. 117<\/a><\/p>\n FREE SSC EXAM YOUTUBE VIDEOS<\/a><\/p>\n Question 1:\u00a0<\/b>A narrow strip of land that connects two larger land masses is called<\/p>\n a)\u00a0peninsula<\/p>\n b)\u00a0cape<\/p>\n c)\u00a0isthmus<\/p>\n d)\u00a0strait<\/p>\n Question 2:\u00a0<\/b>The process through which excess of light energy is dissipated in photosynthesis is known as<\/p>\n a)\u00a0scavenging<\/p>\n b)\u00a0photolysis<\/p>\n c)\u00a0photophosphorylation<\/p>\n d)\u00a0quenching<\/p>\n Question 3:\u00a0<\/b>The type of tail found in Shark is<\/p>\n a)\u00a0homocercal<\/p>\n b)\u00a0heterocercal<\/p>\n c)\u00a0diphycercal<\/p>\n d)\u00a0protocercal<\/p>\n Question 4:\u00a0<\/b>Alpha particle is the nucleus of an atom of<\/p>\n a)\u00a0hydrogen<\/p>\n b)\u00a0helium<\/p>\n c)\u00a0oxygen<\/p>\n d)\u00a0lthium<\/p>\n Question 5:\u00a0<\/b>Silicon is a polymer of<\/p>\n a)\u00a0Silicon tetrachloride<\/p>\n b)\u00a0Dialkyl dichloro silane<\/p>\n c)\u00a0Silane<\/p>\n d)\u00a0Tetraalkyl silane<\/p>\n SSC GD CONSTABLE PREVIOUS PAPERS<\/a><\/p>\n SSC CHSL PREVIOUS PAPERS DOWNLOAD<\/a><\/p>\n Question 6:\u00a0<\/b>Which bacterial strain developed from natural isolates by genetic manipulations can be used for treating oil spills?<\/p>\n a)\u00a0Agrobacterium<\/p>\n b)\u00a0Clostridum<\/p>\n c)\u00a0Nitrosomonas<\/p>\n d)\u00a0Pseudomonas<\/p>\n Question 7:\u00a0<\/b>Coating of solid waste with impervious material is known as<\/p>\n a)\u00a0Chemical fixation<\/p>\n b)\u00a0landfill<\/p>\n c)\u00a0capping<\/p>\n d)\u00a0encapsulation<\/p>\n Question 8:\u00a0<\/b>The antiseptic compound present in dettol is called<\/p>\n a)\u00a0Iodine<\/p>\n b)\u00a0Enloroxylenol<\/p>\n c)\u00a0Biothional<\/p>\n d)\u00a0Cresol<\/p>\n Question 9:\u00a0<\/b>Genomic (DNA) studies in camel have been completed recently by the scientists of<\/p>\n a)\u00a0South Africa<\/p>\n b)\u00a0India<\/p>\n c)\u00a0China<\/p>\n d)\u00a0Pakistan<\/p>\n Question 10:\u00a0<\/b>Air quality depicting PM 2.5 is more hazardous to<\/p>\n a)\u00a0Archeological Monuments<\/p>\n b)\u00a0National Parks<\/p>\n c)\u00a0Botanical Gardens<\/p>\n d)\u00a0Old Men and Women<\/p>\n 18000+ Questions – Free SSC Study Material<\/a><\/p>\n Question 11:\u00a0<\/b>The fasting blood glucose level in adults in mg\/100 ml is<\/p>\n a)\u00a0200<\/p>\n b)\u00a0160<\/p>\n c)\u00a0100<\/p>\n d)\u00a060<\/p>\n Question 12:\u00a0<\/b>We feel cool when we sit near the fan, this is because<\/p>\n a)\u00a0fan gives cool air.<\/p>\n b)\u00a0fan cools surrounding air.<\/p>\n c)\u00a0air evaporates the sweat on our body.<\/p>\n d)\u00a0we feel cool when air touches the body.<\/p>\n Question 13:\u00a0<\/b>Railway tracks are banked on curves so that :<\/p>\n a)\u00a0the train may not fall down inwards.<\/p>\n b)\u00a0the weight of the train may be reduced.<\/p>\n c)\u00a0necessary centripetal force may be obtained from the horizontal component of d)\u00a0no frictional force may be produced between the wheels and the track.<\/p>\n Question 14:\u00a0<\/b>B-Diversity is also known as :<\/p>\n a)\u00a0Within habitat diversity<\/p>\n b)\u00a0Ecosystem diversity<\/p>\n c)\u00a0Global diversity<\/p>\n d)\u00a0Between habitat diversity<\/p>\n Question 15:\u00a0<\/b>A person can jump higher on the moon\u2019s surface than on the earth because :<\/p>\n a)\u00a0the moon\u2019s surface is rough<\/p>\n b)\u00a0the acceleration due to gravity in moon is smaller than that on the earth.<\/p>\n c)\u00a0the moon is cooler than earth<\/p>\n d)\u00a0the moon has no atmosphere<\/p>\n SSC CGL Free Mock Test<\/a><\/p>\n SSC CHSL Free Mock Test<\/a><\/p>\n Question 16:\u00a0<\/b>The mercury and sodium street lamps light up because of :<\/p>\n a)\u00a0Atomic emission<\/p>\n b)\u00a0Atomic absorption<\/p>\n c)\u00a0Electron emission<\/p>\n d)\u00a0Electron absorption<\/p>\n Question 17:\u00a0<\/b>PSW stands for<\/p>\n a)\u00a0Program status word<\/p>\n b)\u00a0Processor status word<\/p>\n c)\u00a0Process status word<\/p>\n d)\u00a0Primitive status word<\/p>\n Question 18:\u00a0<\/b>When a helium atom loses an electron it becomes :<\/p>\n a)\u00a0A negative helium ion<\/p>\n b)\u00a0A proton<\/p>\n c)\u00a0An alpha particle<\/p>\n d)\u00a0A positive helium ion<\/p>\n Question 19:\u00a0<\/b>Molybdenum deficiency affects the activity of :<\/p>\n a)\u00a0All of the given options<\/p>\n b)\u00a0Chlorate reductase<\/p>\n c)\u00a0Nitrogenase<\/p>\n d)\u00a0Nitrate reductase<\/p>\n Question 20:\u00a0<\/b>The velocity of sound in moist air is more than in dry air because the moist air has<\/p>\n a)\u00a0less density than dry air.<\/p>\n b)\u00a0less pressure than dry air.<\/p>\n c)\u00a0more pressure than the air.<\/p>\n d)\u00a0more density than dry air.<\/p>\n Question 21:\u00a0<\/b>One of the best solutions to get rid of non-biodegradable wastes is<\/p>\n a)\u00a0Burning<\/p>\n b)\u00a0Dumping<\/p>\n c)\u00a0Burying<\/p>\n d)\u00a0Recycling<\/p>\n Question 22:\u00a0<\/b>The pollutant responsible for ozone holes is……..<\/p>\n a)\u00a0CO2<\/p>\n b)\u00a0SO2<\/p>\n c)\u00a0CO<\/p>\n d)\u00a0CFC<\/p>\n Question 23:\u00a0<\/b>The biggest single-celled organism is<\/p>\n a)\u00a0Yeast<\/p>\n b)\u00a0Acetabularia<\/p>\n c)\u00a0Acetobacter<\/p>\n d)\u00a0Amoeba<\/p>\n Question 24:\u00a0<\/b>The plant from which cocoa and chocolate are obtained is a<\/p>\n a)\u00a0herb<\/p>\n b)\u00a0shrub<\/p>\n c)\u00a0small tree<\/p>\n d)\u00a0very big tree<\/p>\n Question 25:\u00a0<\/b>What is the speciality of WINDOWS-NT?<\/p>\n a)\u00a0supports real-time processing<\/p>\n b)\u00a0supports LAN and WAN<\/p>\n c)\u00a0supports Batch processing<\/p>\n d)\u00a0supports multi-processing<\/p>\n 1500+ Free SSC Questions & Answers<\/a><\/p>\n Question 26:\u00a0<\/b>The process of improving the quality of rubber by heating it with sulphur is called.<\/p>\n a)\u00a0Vulcanization<\/p>\n b)\u00a0Acceleration<\/p>\n c)\u00a0Sulphonation<\/p>\n d)\u00a0Galvanization<\/p>\n Question 27:\u00a0<\/b>The metal used for making air-crafts and rockets is<\/p>\n a)\u00a0Lead<\/p>\n b)\u00a0Aluminium<\/p>\n c)\u00a0Nickel<\/p>\n d)\u00a0Copper<\/p>\n Question 28:\u00a0<\/b>The alkoloid naturally found in coffee, cocoa and cola nut is<\/p>\n a)\u00a0Cocaine<\/p>\n b)\u00a0Morphine<\/p>\n c)\u00a0Tannin<\/p>\n d)\u00a0Caffeine<\/p>\n 100+ Free GK Tests for SSC Exams<\/a><\/p>\n Download Free GK PDF<\/a><\/p>\n Question 29:\u00a0<\/b>Solitary cyrnose inflorescence is observed in<\/p>\n a)\u00a0Rose<\/p>\n b)\u00a0Chinarose<\/p>\n c)\u00a0Tuberose<\/p>\n d)\u00a0Gardenia<\/p>\n Question 30:\u00a0<\/b>The excretory aperture in Paramoecium is known as<\/p>\n a)\u00a0Cytopharynx<\/p>\n b)\u00a0Cytostome<\/p>\n c)\u00a0Cytopyge<\/p>\n d)\u00a0Cryptospere<\/p>\n Question 31:\u00a0<\/b>In which one of the following the phenomenon of total internal reflection of light is used ?<\/p>\n a)\u00a0Formation of mirage<\/p>\n b)\u00a0Working of binoculars<\/p>\n c)\u00a0Formation of rainbow<\/p>\n d)\u00a0Twinkling of stars<\/p>\n Question 32:\u00a0<\/b>Period of oscillation of 3 cm microwaves in seconds is<\/p>\n a)\u00a01 x 10 1 0<\/p>\n b)\u00a01 x 10 -1 0<\/p>\n c)\u00a00.01<\/p>\n d)\u00a00.001<\/p>\n Question 33:\u00a0<\/b>Just born baby has the respiratory rate as<\/p>\n a)\u00a032 times\/minute<\/p>\n b)\u00a026 times\/minute<\/p>\n c)\u00a018 times\/minute<\/p>\n d)\u00a015 times\/minute<\/p>\n Question 34:\u00a0<\/b>Vulcanized rubber contains sulphur<\/p>\n a)\u00a02%<\/p>\n b)\u00a03-5%<\/p>\n c)\u00a07-9%<\/p>\n d)\u00a010-15%<\/p>\n Question 35:\u00a0<\/b>Transpiration through leaves is called as<\/p>\n a)\u00a0Cauline transpiration<\/p>\n b)\u00a0Foliar transpiration<\/p>\n c)\u00a0Cuticular transpiration<\/p>\n d)\u00a0Lenticular transpiration<\/p>\n Question 36:\u00a0<\/b>What are the folds found in the mucous lining of the empty stomach ?<\/p>\n a)\u00a0Typhlosole<\/p>\n b)\u00a0Areolae<\/p>\n c)\u00a0Rugae<\/p>\n d)\u00a0Villi<\/p>\n Question 37:\u00a0<\/b>Leaves of many grasses are capable of folding and unfolding because<\/p>\n a)\u00a0their mesophyll is not differentiated into palisade and spongy parenchyma<\/p>\n b)\u00a0they have stomata on both sides of the leaf<\/p>\n c)\u00a0they have high levels of silica<\/p>\n d)\u00a0they have specialised bulliforrn cells<\/p>\n Question 38:\u00a0<\/b>Pleura is the covering of<\/p>\n a)\u00a0Lung<\/p>\n b)\u00a0Liver<\/p>\n c)\u00a0Kidney<\/p>\n d)\u00a0Heart<\/p>\n Question 39:\u00a0<\/b>The moderator used in a nuclear reactor is<\/p>\n a)\u00a0Uranium<\/p>\n b)\u00a0Radium,<\/p>\n c)\u00a0Ordinary water<\/p>\n d)\u00a0Graphite<\/p>\n Question 40:\u00a0<\/b>Solar eclipse occurs when<\/p>\n a)\u00a0the Moon does not lie on the line joining the Sun and the Earth<\/p>\n b)\u00a0the Moon comes between the Sun and the Earth<\/p>\n c)\u00a0the Sun comes between the Moon and the Earth<\/p>\n d)\u00a0the Earth comes between the Moon and the Sun<\/p>\n Question 41:\u00a0<\/b>Sun Lab\u2019s Java Car uses technology to keep your car networked with the world outside.<\/p>\n a)\u00a0embedded<\/p>\n b)\u00a0spam<\/p>\n c)\u00a0smart Screen<\/p>\n d)\u00a0access Point<\/p>\n Question 42:\u00a0<\/b>A spinning neutron star is known as<\/p>\n a)\u00a0White dwarf<\/p>\n b)\u00a0Black hole<\/p>\n c)\u00a0Pulsar<\/p>\n d)\u00a0Quasar<\/p>\n Question 43:\u00a0<\/b>The type of kidneys present in frog are<\/p>\n a)\u00a0Mesonephros<\/p>\n b)\u00a0Metanephros<\/p>\n c)\u00a0Archinephros<\/p>\n d)\u00a0Pronephros<\/p>\n Question 44:\u00a0<\/b>The percentage of nitrogen present in ammonium sulphate is:<\/p>\n a)\u00a027%<\/p>\n b)\u00a025%<\/p>\n c)\u00a030.5%<\/p>\n d)\u00a018%<\/p>\n Question 45:\u00a0<\/b>Which of the following is protected under Wildlife (Protection) Act, 1972?<\/p>\n a)\u00a0Porcupine<\/p>\n b)\u00a0Gerbil<\/p>\n c)\u00a0Bandicoot rat<\/p>\n d)\u00a0Squirrel<\/p>\n Question 46:\u00a0<\/b>The biological process in which both aerobes and anaerobes degrade organic matter is<\/p>\n a)\u00a0Manuring<\/p>\n b)\u00a0Composting<\/p>\n c)\u00a0Digesting<\/p>\n d)\u00a0Nitrifying<\/p>\n Question 47:\u00a0<\/b>Intercalary meristems are found in<\/p>\n a)\u00a0Node<\/p>\n b)\u00a0Lateral bud<\/p>\n c)\u00a0Terminal bud<\/p>\n d)\u00a0Inter node<\/p>\n Question 48:\u00a0<\/b>Super conductors are substances that<\/p>\n a)\u00a0offer minimum resistance to flow of electric current<\/p>\n b)\u00a0conduct electricity at low temperature<\/p>\n c)\u00a0conduct electricity at high temperature<\/p>\n d)\u00a0offer high resistance to the flow of electric current<\/p>\n Question 49:\u00a0<\/b>A thin oil film on a water surface appears coloured because of<\/p>\n a)\u00a0reflection<\/p>\n b)\u00a0interference<\/p>\n c)\u00a0diffraction<\/p>\n d)\u00a0polarization<\/p>\n Question 50:\u00a0<\/b>A tachometer is a device used to measure<\/p>\n a)\u00a0gravitational pull<\/p>\n b)\u00a0speed of rotation<\/p>\n c)\u00a0surface tension<\/p>\n d)\u00a0dispersive power<\/p>\n Free SSC Daily Practice Set<\/a><\/p>\n Download Current Affairs Questions & Answers PDF<\/a><\/p>\n Answers & Solutions:<\/strong><\/span><\/p>\n 1)\u00a0Answer\u00a0(C)<\/strong><\/p>\n 2)\u00a0Answer\u00a0(B)<\/strong><\/p>\n 3)\u00a0Answer\u00a0(B)<\/strong><\/p>\n 4)\u00a0Answer\u00a0(B)<\/strong><\/p>\n 5)\u00a0Answer\u00a0(A)<\/strong><\/p>\n 6)\u00a0Answer\u00a0(A)<\/strong><\/p>\n 7)\u00a0Answer\u00a0(B)<\/strong><\/p>\n 8)\u00a0Answer\u00a0(B)<\/strong><\/p>\n 9)\u00a0Answer\u00a0(D)<\/strong><\/p>\n 10)\u00a0Answer\u00a0(D)<\/strong><\/p>\n 11)\u00a0Answer\u00a0(C)<\/strong><\/p>\n 12)\u00a0Answer\u00a0(C)<\/strong><\/p>\n 13)\u00a0Answer\u00a0(C)<\/strong><\/p>\n 14)\u00a0Answer\u00a0(B)<\/strong><\/p>\n 15)\u00a0Answer\u00a0(B)<\/strong><\/p>\n 16)\u00a0Answer\u00a0(A)<\/strong><\/p>\n 17)\u00a0Answer\u00a0(A)<\/strong><\/p>\n 18)\u00a0Answer\u00a0(D)<\/strong><\/p>\n 19)\u00a0Answer\u00a0(D)<\/strong><\/p>\n 20)\u00a0Answer\u00a0(A)<\/strong><\/p>\n 21)\u00a0Answer\u00a0(D)<\/strong><\/p>\n 22)\u00a0Answer\u00a0(D)<\/strong><\/p>\n 23)\u00a0Answer\u00a0(D)<\/strong><\/p>\n 24)\u00a0Answer\u00a0(B)<\/strong><\/p>\n 25)\u00a0Answer\u00a0(D)<\/strong><\/p>\n 26)\u00a0Answer\u00a0(A)<\/strong><\/p>\n 27)\u00a0Answer\u00a0(C)<\/strong><\/p>\n 28)\u00a0Answer\u00a0(D)<\/strong><\/p>\n 29)\u00a0Answer\u00a0(D)<\/strong><\/p>\n 30)\u00a0Answer\u00a0(C)<\/strong><\/p>\n 31)\u00a0Answer\u00a0(C)<\/strong><\/p>\n 32)\u00a0Answer\u00a0(B)<\/strong><\/p>\n 33)\u00a0Answer\u00a0(A)<\/strong><\/p>\n 34)\u00a0Answer\u00a0(B)<\/strong><\/p>\n 35)\u00a0Answer\u00a0(B)<\/strong><\/p>\n 36)\u00a0Answer\u00a0(C)<\/strong><\/p>\n 37)\u00a0Answer\u00a0(D)<\/strong><\/p>\n 38)\u00a0Answer\u00a0(A)<\/strong><\/p>\n 39)\u00a0Answer\u00a0(C)<\/strong><\/p>\n 40)\u00a0Answer\u00a0(B)<\/strong><\/p>\n 41)\u00a0Answer\u00a0(A)<\/strong><\/p>\n 42)\u00a0Answer\u00a0(C)<\/strong><\/p>\n 43)\u00a0Answer\u00a0(A)<\/strong><\/p>\n 44)\u00a0Answer\u00a0(A)<\/strong><\/p>\n 45)\u00a0Answer\u00a0(A)<\/strong><\/p>\n 46)\u00a0Answer\u00a0(B)<\/strong><\/p>\n 47)\u00a0Answer\u00a0(D)<\/strong><\/p>\n 48)\u00a0Answer\u00a0(A)<\/strong><\/p>\n 49)\u00a0Answer\u00a0(B)<\/strong><\/p>\n 50)\u00a0Answer\u00a0(B)<\/strong><\/p>\n
\nthe normal reaction due to track.<\/p>\n