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MCQOPTIONS
This section includes 1357 Mcqs, each offering curated multiple-choice questions to sharpen your Science knowledge and support exam preparation. Choose a topic below to get started.
| 251. |
The satellite which relay computer data along with television and radio broadcasts is called |
| A. | military satellite |
| B. | weather satellite |
| C. | communication satellite |
| D. | remote sensing satellite |
| Answer» D. remote sensing satellite | |
| 252. |
The first probe space which focused mainly on comet was |
| A. | stardust |
| B. | Clementine |
| C. | Venera |
| D. | Pioneer |
| Answer» B. Clementine | |
| 253. |
Venera 9 was sent in space to record surface conditions of |
| A. | Moon |
| B. | Venus |
| C. | Jupiter |
| D. | Sun |
| Answer» C. Jupiter | |
| 254. |
Aerogel is three times heavier than |
| A. | water |
| B. | air |
| C. | gases |
| D. | glass |
| Answer» C. gases | |
| 255. |
The lightest solid on earth is |
| A. | cotton |
| B. | sand |
| C. | Aerogel |
| D. | boron |
| Answer» D. boron | |
| 256. |
The height of Delta was |
| A. | 29m |
| B. | 36m |
| C. | 62m |
| D. | 111m |
| Answer» C. 62m | |
| 257. |
Weather satellites are made to plant in regions of earth called |
| A. | tropical zones |
| B. | polar zones |
| C. | equator |
| D. | all of them |
| Answer» C. equator | |
| 258. |
The first satellite of NASA was |
| A. | Sputnik 2 |
| B. | Explorer 1 |
| C. | Sputnik 1 |
| D. | Terra 1 |
| Answer» E. | |
| 259. |
The first space station was built by America named as |
| A. | Sky lab |
| B. | Mir |
| C. | Ultra lab |
| D. | Matrix |
| Answer» B. Mir | |
| 260. |
An orbit which is less than 1500 km above the surface of earth is called |
| A. | geostationary orbit |
| B. | low earth orbit |
| C. | artificial satellite |
| D. | natural satellite |
| Answer» B. low earth orbit | |
| 261. |
A space vehicle which is reusable and lands like an aero plane is called a |
| A. | satellite |
| B. | meteor |
| C. | spaceshuttle |
| D. | hover craft |
| Answer» D. hover craft | |
| 262. |
For every action there is equal and opposite reaction this was Newton's |
| A. | first law of motion |
| B. | second law of motion |
| C. | third law of motion |
| D. | all of them |
| Answer» D. all of them | |
| 263. |
The ancestor of all modern rockets is |
| A. | V-1 |
| B. | V-2 |
| C. | Titan |
| D. | Delta |
| Answer» C. Titan | |
| 264. |
A person who proposed sending machines in space was |
| A. | Yuri Gagarian |
| B. | Robert Goddard |
| C. | Jules Verne |
| D. | Konstantin Tsiolkovosky |
| Answer» E. | |
| 265. |
In order to orbit a moon or a planet certain speed and direction is required which is called |
| A. | escape velocity |
| B. | orbital velocity |
| C. | suborbital velocity |
| D. | centripetal velocity |
| Answer» C. suborbital velocity | |
| 266. |
A darker area which is comparatively cooler than rest of surface is called |
| A. | sun spot |
| B. | sun hole |
| C. | convective surface |
| D. | flare |
| Answer» B. sun hole | |
| 267. |
According to Kepler's second law of motion planets nearer to sun moves |
| A. | slower |
| B. | faster |
| C. | medium pace |
| D. | slowest |
| Answer» C. medium pace | |
| 268. |
The resistance in speed until it is subjected by outside force is called |
| A. | motion |
| B. | energy |
| C. | inertia |
| D. | universal gravitation |
| Answer» D. universal gravitation | |
| 269. |
The statement which says that gravity is equal to product of two masses divided by the distance maintained by those masses is the law of |
| A. | motion |
| B. | energy |
| C. | inertia |
| D. | universal gravitation |
| Answer» E. | |
| 270. |
The presence of life have enormous impact on Earth as it added to earth's atmosphere lots of |
| A. | carbon dioxide |
| B. | oxygen |
| C. | nitrogen |
| D. | hydrogen |
| Answer» C. nitrogen | |
| 271. |
In comets the planetesimals are made of |
| A. | heat |
| B. | fire |
| C. | ice |
| D. | rock |
| Answer» D. rock | |
| 272. |
Radiative zone and chromospheres are |
| A. | 3,000,000 km thick |
| B. | 2,000,000 km thick |
| C. | 6,000,000 km thin |
| D. | 5,000,000 km thin |
| Answer» B. 2,000,000 km thick | |
| 273. |
The upper mantle of the earth was cooled and became more dense at least |
| A. | 1.5 billion years ago |
| B. | 2.5 billion years ago |
| C. | 1.9 billion years ago |
| D. | 1.1 billion years ago |
| Answer» B. 2.5 billion years ago | |
| 274. |
The regions of immensely high temperature and brightness are termed as |
| A. | sun spot |
| B. | sun hole |
| C. | convective surface |
| D. | flares |
| Answer» E. | |
| 275. |
Newton has given the law of |
| A. | motion |
| B. | energy |
| C. | inertia |
| D. | universal gravitation |
| Answer» E. | |
| 276. |
As the Planetesimals grow they attract more |
| A. | dust |
| B. | light |
| C. | energy |
| D. | star |
| Answer» B. light | |
| 277. |
The measure of average kinetic energy is called its |
| A. | velocity |
| B. | temperature |
| C. | pressure |
| D. | density |
| Answer» C. pressure | |
| 278. |
The relationship between planets' revolution and its semi major axis is stated in Kepler's |
| A. | first law of motion |
| B. | second law of motion |
| C. | third law of motion |
| D. | all of them |
| Answer» D. all of them | |
| 279. |
The only planet which has not been visited by NASA yet is the |
| A. | Jupiter |
| B. | Saturn |
| C. | Neptune |
| D. | Pluto |
| Answer» E. | |
| 280. |
During a lunar eclipse the color of moon becomes |
| A. | orange |
| B. | black |
| C. | red |
| D. | purple |
| Answer» D. purple | |
| 281. |
Pluto was discovered in century |
| A. | 17th |
| B. | 18th |
| C. | 19th |
| D. | 20th |
| Answer» E. | |
| 282. |
Earth comes between sun and moon during a |
| A. | solar eclipse |
| B. | lunar eclipse |
| C. | annular eclipse |
| D. | total solar eclipse |
| Answer» C. annular eclipse | |
| 283. |
The name of moon of Pluto is |
| A. | Luna |
| B. | Ganymede |
| C. | Calistro |
| D. | Charon |
| Answer» E. | |
| 284. |
Phobos and Deimos are the moons of planet |
| A. | Mars |
| B. | Venus |
| C. | Saturn |
| D. | Jupiter |
| Answer» B. Venus | |
| 285. |
During annular eclipse the earth and moon are |
| A. | closer |
| B. | farther apart |
| C. | opposite |
| D. | alike |
| Answer» C. opposite | |
| 286. |
A storm system on Jupiter which is three times bigger than earth is the |
| A. | Great red spot |
| B. | Cassini |
| C. | Great dark spot |
| D. | Great orange spot |
| Answer» B. Cassini | |
| 287. |
Asteroids include |
| A. | Hektor |
| B. | Ceres |
| C. | Vesta |
| D. | all of them |
| Answer» E. | |
| 288. |
Moons of Jupiter and Saturn were discovered in century |
| A. | 17th |
| B. | 18th |
| C. | 19th |
| D. | 20th |
| Answer» B. 18th | |
| 289. |
Atmosphere of Triton is made up of |
| A. | oxygen |
| B. | nitrogen |
| C. | water |
| D. | helium |
| Answer» C. water | |
| 290. |
The planet which is not found in outer planet is the |
| A. | Jupiter |
| B. | Uranus |
| C. | Saturn |
| D. | Mars |
| Answer» E. | |
| 291. |
The largest planet in solar system is the |
| A. | Mars |
| B. | Jupiter |
| C. | Saturn |
| D. | Venus |
| Answer» C. Saturn | |
| 292. |
An Amateur astronomer William Herschel discovered a planet in 1781 named |
| A. | Jupiter |
| B. | Saturn |
| C. | Neptune |
| D. | Uranus |
| Answer» E. | |
| 293. |
The color of Uranus is |
| A. | blue |
| B. | orange |
| C. | red |
| D. | blue-green |
| Answer» E. | |
| 294. |
The diameter of Saturn rings is |
| A. | 272,000km |
| B. | 727,00km |
| C. | 722,000km |
| D. | 277,000km |
| Answer» B. 727,00km | |
| 295. |
A small body traveling in space is called a |
| A. | meteorite |
| B. | asteroid |
| C. | meteoroid |
| D. | meteor |
| Answer» D. meteor | |
| 296. |
A day on mercury is equal to earth days of |
| A. | 59 |
| B. | 95 |
| C. | 57 |
| D. | 25 |
| Answer» B. 95 | |
| 297. |
The vital body for chemical processes which is needed for survival of life is the |
| A. | sun |
| B. | water |
| C. | air |
| D. | land |
| Answer» C. air | |
| 298. |
Uranus is composed of hydrogen and |
| A. | methane |
| B. | oxygen |
| C. | carbon dioxide |
| D. | helium |
| Answer» B. oxygen | |
| 299. |
A small body which travels in space and reaches the earth without burning completely is called |
| A. | meteorite |
| B. | asteroid |
| C. | meteoroid |
| D. | meteor |
| Answer» B. asteroid | |
| 300. |
The only planet which is thought to be still forming is the |
| A. | Jupiter |
| B. | Saturn |
| C. | Neptune |
| D. | Pluto |
| Answer» C. Neptune | |