Description : If a star is bigger than Sun, but not more than twice as big, it will turn into a (1) Pulsar (2) Maxima (3) Avenger (4) Discover
Last Answer : (1) Pulsar Explanation: If the star is about the mass of the Sun or less than that, it will turn into White Dwarfs. If the star is bigger than the Sun but not more than twice as big, it will turn into a Neutron Star or Pulsar.
Description : If a star is bigger than Sun, but not more than twice as big, it will turn into a __ (1) Pulsar (2) Maxima (3) Avenger (4) Discover
Last Answer : (1) Pulsar Explanation: If the star is about the mass of the Sun or less than that, it will turn into White Dwarfs. If the star is bigger than the Sun but not more than twice as big, it will ... Pulsar. If the star is many times bigger than the Sun, it will turn into what is called a Black Hole.
Description : A spinning neutron star is known as (1) White dwarf (2) Black hole (3) Pulsar (4) Quasar
Last Answer : Pulsar
Description : When does the sun shine vertically on the Equator ? (1) Throughout the year (2) For six months (3) Twice a year (4) Once a year
Last Answer : Twice a year
Description : Which is the second nearest star to the Earth after the Sun? (1) Vega (2) Sirius (3) Proxima Centauri (4) Alpha Centauri
Last Answer : Proxima Centaur
Description : All the ecosystems taken together in a geographical area form a bigger unit called: (1) biosphere (2) territory (3) biome (4) community
Last Answer : biome
Description : The rhythmic rise and fall of ocean water twice in a day is called (1) Tide (2) Ocean current (3) Wave (4) Water cycle
Last Answer : Tide
Description : Which one of the following rivers crosses the tropic of capricorn twice ? (1) Vaal (2) Limpopo (3) Nizer (4) Zambezi
Last Answer : Limpopo
Description : The temperature of water at the bottom of a large waterfall is higher than that of the water at the top. because (1) the falling water absorbs heat from the Sun. (2) the water at the bottom has greater ... of the falling water is converted into heat. (4) rocks on the bed of the river give out heat.
Last Answer : the kinetic energy of the falling water is converted into heat.
Description : Why is the South Pole colder than the North Pole ? (1) High altitude (2) More rainfall (3) Strong winds (4) Away from the sun
Last Answer : High altitude
Description : Why are winters more severe in Southern Hemisphere than in Northern Hemisphere? (1) Earth is titled towards the sun in the Northern Hemisphere (2) Northern Hemisphere receives more sunlight (3) Because of more iceberg activity in Southern Hemisphere (4) Southern Hemisphere is less inhabited
Last Answer : Earth is titled towards the sun in the Northern Hemisphere
Description : A spinning neutron star is known as – (1) White dwarf (2) Black hole (3) Pulsar (4) Quasar
Last Answer : (3) Pulsar Explanation: Pulsars are spinning neutron stars that have jets of particles moving almost at the speed of light streaming out above their magnetic poles. These jets produce very powerful beams of light.
Description : You have discovered a new celestial body. It has a thick atmosphere and it produces powerful cosmic winds and, when observed, the clouds obscure the body. You have determined it is this type of star. A. Wolf-Rayet star (Answer) B. Red supergiant C. Stellar storm D. Pulsar
Last Answer : A. Wolf-Rayet star (Answer)
Description : A pulsar is a rapidly spinning neutron star which emits: A. A blinding light when it aligns with the planets B. Radio waves detectable from Earth (Answer) C. A gravitational pull which attracts high energy dust particles D. Enough energy to power itself indefinitely
Last Answer : B. Radio waves detectable from Earth (Answer)
Description : Katrina is the name given to _________ (1) Satellite (2) Star (3) Heat wave (4) Hurricane
Last Answer : Hurricane
Description : ‘Super nova’ is (1) a comet (2) an asteroid (3) an exploding Star (4) a black hole
Last Answer : an exploding Star
Description : Which of the following is known as the Morning Star? (1) Saturn (2) Jupiter (3) Mars (4) Venus
Last Answer : Venus
Description : Which planet is called evening star? (1) Mars (2) Mercury (3) Venus (4) Jupiter
Description : In _______ forests, trees shed their leaves in a particular season. (1) evergreen (2) mangrove (3) deciduous (4) thorny
Last Answer : deciduous
Description : Rainfall caused by intense evaporation in equatorial areas is called _______ (1) Orographic rainfall (2) Cyclonic rainfall (3) Frontal rainfall (4) Convectional rainfall
Last Answer : Convectional rainfall
Description : Sink hole is a phenomenon of _______ topography. (1) Plain (2) Desert (3) Tundra (4) Karst
Last Answer : Karst
Description : What is meant by the term “midnight sun” ? (1) Twilight (2) Rising Sun (3) Very bright moon (4) Sun shining in the polar circle for long time
Last Answer : Sun shining in the polar circle for long time
Description : Source of energy in ecosystem is (1) Sun (2) Green plants (3) Sugar produced in photosynthesis (4) ATP
Last Answer : Sun
Description : The tides in the sea are primarily due to (1) the atmospheric effect of the Earth (2) the gravitational effect of Venus on the Earth (3) the gravitational effect of the Sun on the Earth (4) the gravitational effect of the Moon on the Earth
Last Answer : the gravitational effect of the Moon on the Earth
Description : Tides in the sea are caused by (1) effect of Sun (2) effect of Moon (3) eombined effect of Moon and Sun (4) gravitational force of Earth and Sun
Last Answer : eombined effect of Moon and Sun
Description : Tides are caused by the gravitational pull of the (1) Earth on the Moon (2) Earth on the Sun (3) Sun and Moon on the Earth (4) Moon on the Earth
Last Answer : Sun and Moon on the Earth
Description : Airmass near to the earth’s surface is warmer because it (1) radiates heat (2) contains dust particles (3) is warmed by terrestrial radiation (4) is far from the sun
Last Answer : is warmed by terrestrial radiation
Description : Troposphere is the hottest part of the atmosphere because (1) it is closest to the Sun (2) there are charged particles in it (3) it is heated by the Earth’s surface (4) heat is generated in it
Last Answer : it is heated by the Earth’s surface
Description : Storms of gases are visible in the chromosphere of the Sun during (1) Cyclones (2) Anticyclones (3) Lunar eclipse (4) Solar eclipse
Last Answer : Solar eclipse
Description : What is the position of the Earth when it is at the greatest distance from the sun ? (1) Aphelion (2) Antipode (3) Perihelion (4) Aldiate
Last Answer : Aphelion
Description : Equinox occurs when the sun is vertically above _____ (1) Tropic of Capricorn (2) Tropic of Cancer (3) Poles (4) Equator
Last Answer : Equator
Description : Solar eclipse occurs when (1) the Moon does not lie on the line joining the Sun and the Earth (2) the Moon comes between the Sun and the Earth (3) the Sun comes between the Moon and the Earth (4) the Earth comes between the Moon and the Sun
Last Answer : the Moon comes between the Sun and the Earth
Description : When the earth is at the maximum distance from the Sun, it is called (1) Aphelion (2) Perihelion (3) Equinox (4) Sidereal
Description : When does the moon come between the Sun and earth? (1) Lunar eclipse (2) Solar eclipse (3) Sidereal day (4) Full moon day
Description : Suppose if we measure the time lapse between the two Sunsets by sitting in the beach, from this we can estimate (1) The distance between the sun and the earth (2) The depth of the ocean (3) The radius of the earth (4) The radius of the sun
Last Answer : The radius of the earth
Description : When does solar eclipse take place ? (1) When the sun is between the moon and earth (2) When the earth is between the moon and sun (3) When the moon is between the sun and earth (4) When the moon does not lie on the line joining the sun and earth
Last Answer : When the moon is between the sun and earth
Description : The outermost layer of sun is called (1) Lithosphere (2) Chromosphere (3) Photosphere (4) Corona
Last Answer : Corona
Description : Which of the following Scientist proved that the path of each planet around the Sun is elliptical? (1) Kepler (2) Galileo (3) Newton (4) Copernicus
Last Answer : Kepler
Description : The total number of planets revolving around the sun is (1) Five (2) Eight (3) Seven (4) Six
Last Answer : Eight
Description : When the moon completely covers the sun, it is known as (1) the Antumbra (2) the Umbra (3) the Penumbra (4) None of these
Last Answer : the Umbra
Description : Light from the Sun reaches us in nearly (1) 8 min (2) 2 min (3) 6 min (4) 4 min
Last Answer : 8 min
Description : The planet that takes 88 days to make one revolution of the sun is : (1) Mercury (2) Saturn (3) Jupiter (4) Mars
Last Answer : Mercury
Description : The planet nearest to the Sun is : (1) Earth (2) Mercury (3) Mars (4) Venus
Description : The outermost layer of the Sun is called (1) Chromosphere (2) Photosphere (3) Corona (4) Lithosphere
Description : The surface temperature of the sun is estimated as (1) 6000 °C (2) 12000 °C (3) 18000 °C (4) 24000 °C
Last Answer : 6000 °C
Description : The light from the Sun reaches the Earth in about— (1) 8 seconds (2) 8 minutes (3) 10 seconds (4) 10 minutes
Last Answer : 8 minutes
Description : Which amidst the following planets has its orbit closest to Sun ? (1) Venus (2) Mars (3) Jupiter (4) Uranus
Description : The asteroids revolve round the Sun in between : (1) Earth and Mars (2) Mars and Jupiter (3) Jupiter and Saturn (4) Saturn and Uranus
Last Answer : Mars and Jupiter
Description : Which among the following statements is true regarding International Date line ? (1) It is 180° Longitude (2) It is a straight line (3) It is a big circle (4) It is a curved line beyond earth
Last Answer : It is 180° Longitude
Description : Which of the following is an alternative theory to the Big Bang theory developed in 1948, stating that the universe does not change even though it is expanding over time ? (1) Oscillating Universe (2) Steady State Universe (3) Mirror Universe (4) Eternal Inflation
Last Answer : Steady State Universe