MCQOPTIONS
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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.
| 151. |
The average temperature range of tropical rain forest is 25° C to |
| A. | 56 °C |
| B. | 28 °C |
| C. | 82 °C |
| D. | 34 °C |
| Answer» C. 82 °C | |
| 152. |
Trees which change color and shed their leaves in cold temperature are |
| A. | coniferous |
| B. | tropical |
| C. | deciduous |
| D. | evergreen |
| Answer» D. evergreen | |
| 153. |
The increase in relative humidity will give rise to temperature |
| A. | increase |
| B. | decrease |
| C. | rise |
| D. | equilibrium |
| Answer» C. rise | |
| 154. |
A theory which states lithosphere of Earth is divided in to tectonic plate is regarded as |
| A. | Drift theory |
| B. | plate tectonics |
| C. | sea bed spreading |
| D. | magnetic REVERSAL |
| Answer» C. sea bed spreading | |
| 155. |
On top of asthenosphere there is found movement of pieces of lithosphere called |
| A. | lithosphere |
| B. | inner core |
| C. | mesosphere |
| D. | tectonic plates |
| Answer» E. | |
| 156. |
When two tectonic plates are collided the type of stress which is found is |
| A. | compression |
| B. | tension |
| C. | hydraulic |
| D. | squeeze |
| Answer» B. tension | |
| 157. |
The place where sea-floor spreading occurs is termed as |
| A. | mid-ocean ridges |
| B. | ditches |
| C. | ocean basin |
| D. | crates |
| Answer» B. ditches | |
| 158. |
When the rock reaches near the surface it |
| A. | cools |
| B. | denser |
| C. | sink |
| D. | all of them |
| Answer» E. | |
| 159. |
To measure rate of plate tectonic movement scientist use |
| A. | GPS satellite |
| B. | rocket |
| C. | space shuttle |
| D. | internet |
| Answer» B. rocket | |
| 160. |
A place where plate tectonic tough is called a |
| A. | periphery |
| B. | boundary |
| C. | outline |
| D. | coast |
| Answer» C. outline | |
| 161. |
A scientist examined puzzle pieces on map was |
| A. | Alfred Wegener |
| B. | John Wegener |
| C. | Samuel Wegener |
| D. | Jefferson Wegener |
| Answer» B. John Wegener | |
| 162. |
Elliptical galaxies possess center which is |
| A. | bulged |
| B. | bright |
| C. | denser |
| D. | dull |
| Answer» C. denser | |
| 163. |
Brightest stars are represented by numbers which are |
| A. | negative |
| B. | positive |
| C. | integers |
| D. | prime |
| Answer» B. positive | |
| 164. |
The magnitude of -26.8 is of |
| A. | sun |
| B. | moon |
| C. | Jupiter |
| D. | Neptune |
| Answer» B. moon | |
| 165. |
When a color of band is formed on passing white light through a prism it is called |
| A. | spectrum |
| B. | white light |
| C. | emission lines |
| D. | rays |
| Answer» B. white light | |
| 166. |
Stars, dust and gas collectively along with certain gravity are regarded as |
| A. | space |
| B. | Milky Way |
| C. | galaxy |
| D. | universe |
| Answer» D. universe | |
| 167. |
The theory which proclaims that an explosion created the universe is called the |
| A. | law of gravity |
| B. | big bang theory |
| C. | Darwin theory |
| D. | Earth theory |
| Answer» C. Darwin theory | |
| 168. |
Galaxies which bulge at the center are the |
| A. | spiral galaxies |
| B. | elliptical galaxies |
| C. | irregular galaxies |
| D. | The Milky Way |
| Answer» B. elliptical galaxies | |
| 169. |
Tight group of one million (approx.) stars which look like a ball is called |
| A. | globular cluster |
| B. | open cluster |
| C. | globular cluster |
| D. | quasar |
| Answer» D. quasar | |
| 170. |
The first stage of life cycle of a star is ball of gas and |
| A. | heat |
| B. | light |
| C. | gas |
| D. | dust |
| Answer» E. | |
| 171. |
Largest globular star cluster is the |
| A. | Pleiades |
| B. | Antares |
| C. | Tau Ceti |
| D. | omega centauri |
| Answer» E. | |
| 172. |
Betelgeuse is of color |
| A. | green |
| B. | blue |
| C. | pink |
| D. | red |
| Answer» E. | |
| 173. |
The color of Rigel is |
| A. | green |
| B. | blue |
| C. | pink |
| D. | red |
| Answer» C. pink | |
| 174. |
A telescope can help to see a dimmest star with a magnitude of |
| A. | 12 |
| B. | 23 |
| C. | 29 |
| D. | 39 |
| Answer» D. 39 | |
| 175. |
The energy is generated in the core of star when hydrogen atoms fuse in to |
| A. | carbon dioxide |
| B. | helium |
| C. | boron |
| D. | mercury |
| Answer» C. boron | |
| 176. |
White dwarf are |
| A. | small |
| B. | hot |
| C. | dim |
| D. | all of them |
| Answer» E. | |
| 177. |
When a light from hot solid passes through cooler gas it produces |
| A. | light spectrum |
| B. | absorption spectrum |
| C. | continuous spectrum |
| D. | complex spectrum |
| Answer» C. continuous spectrum | |
| 178. |
The Latin word for 'cloud' is |
| A. | globular cluster |
| B. | open cluster |
| C. | nebula |
| D. | quasar |
| Answer» D. quasar | |
| 179. |
Astronomers started to collect and classify stars' spectra in |
| A. | 2000 |
| B. | 1800 |
| C. | 1900 |
| D. | 1700 |
| Answer» C. 1900 | |
| 180. |
A spectrum of a star is made up of |
| A. | spectrum lines |
| B. | emission lines |
| C. | coordinate lines |
| D. | dark emission lines |
| Answer» E. | |
| 181. |
M87 is a |
| A. | dwarf galaxy |
| B. | giant galaxy |
| C. | spiral galaxy |
| D. | irregular galaxy |
| Answer» C. spiral galaxy | |
| 182. |
An object through which light cannot pass due to its density and mass is called |
| A. | pulstar |
| B. | black hole |
| C. | spaceshuttle |
| D. | debris |
| Answer» C. spaceshuttle | |
| 183. |
The sixth magnitude stars are the |
| A. | brightest |
| B. | dimmest |
| C. | medium bright |
| D. | dull |
| Answer» C. medium bright | |
| 184. |
When the star is in last stage it causes its central parts to |
| A. | scatter in space |
| B. | collapse inward |
| C. | flicker |
| D. | react |
| Answer» C. flicker | |
| 185. |
A star becomes a red giant in its stage |
| A. | first |
| B. | second |
| C. | third |
| D. | last |
| Answer» D. last | |
| 186. |
In a view of scientists the earth may expand |
| A. | in future |
| B. | forever |
| C. | for sometime |
| D. | and collapse |
| Answer» C. for sometime | |
| 187. |
The apparent shift on viewing from different locations giving change in positioning of object is called |
| A. | absolute magnitude |
| B. | apparent magnitude |
| C. | light year |
| D. | parallax |
| Answer» E. | |
| 188. |
A study which is concerned with the origin and structure of universe is called |
| A. | Archeology |
| B. | Astrology |
| C. | Astronomy |
| D. | cosmology |
| Answer» E. | |
| 189. |
Black holes are detected with the help of |
| A. | x-rays |
| B. | gamma rays |
| C. | alpha rays |
| D. | beta rays |
| Answer» B. gamma rays | |
| 190. |
The main sequence star stage is the |
| A. | longest |
| B. | third |
| C. | shortest |
| D. | highest |
| Answer» B. third | |
| 191. |
Hertz sprung-Russell is a diagram which shows a relationship between star's surface temperature and |
| A. | absolute magnitude |
| B. | size |
| C. | brightness |
| D. | relative magnitude |
| Answer» B. size | |
| 192. |
Group of stars located near spiral disk are the |
| A. | globular cluster |
| B. | open cluster |
| C. | globular cluster |
| D. | quasar |
| Answer» C. globular cluster | |
| 193. |
An instrument which helps to break light in to spectrum is called |
| A. | electrograph |
| B. | cardiograph |
| C. | spectrograph |
| D. | ethnography |
| Answer» D. ethnography | |
| 194. |
There is no hydrogen left in |
| A. | red giant |
| B. | white dwarf |
| C. | Arcturus |
| D. | Betelgeuse |
| Answer» C. Arcturus | |
| 195. |
The elements in stars are in the form of |
| A. | solid |
| B. | molten |
| C. | liquid |
| D. | gases |
| Answer» E. | |
| 196. |
The differences in temperature distinguishes the differences in their |
| A. | volume |
| B. | shape |
| C. | color |
| D. | density |
| Answer» D. density | |
| 197. |
A red giant is ten times more bigger than a |
| A. | moon |
| B. | earth |
| C. | sun |
| D. | universe |
| Answer» D. universe | |
| 198. |
Earth is a part of |
| A. | universe |
| B. | solar system |
| C. | Milky Way |
| D. | galaxy |
| Answer» C. Milky Way | |
| 199. |
PKS 0637-752 has a mass equal to |
| A. | 1 billion suns |
| B. | 10 billion suns |
| C. | 1 billion earth |
| D. | 10 billion earth |
| Answer» C. 1 billion earth | |
| 200. |
The red super giant star is called |
| A. | Antares |
| B. | Capella |
| C. | Arcturus |
| D. | Betelgeuse |
| Answer» B. Capella | |