McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: General Knowledge (GK) , Union Public Service Commission (UPSC) , Indian Administrative Service (IAS) .
Chapters
| 601. |
The Saturn rings were discovered by: |
| A. | Copernicus |
| B. | Newton |
| C. | Galileo |
| D. | none of these |
| Answer» C. Galileo | |
| 602. |
The 'Solar Corona' mainly consists of: |
| A. | cosmic rays |
| B. | molten lava |
| C. | gases |
| D. | ice |
| Answer» B. molten lava | |
| 603. |
Comets are celestial bodies moving about the solar system in |
| A. | elliptical or hyperbolic orbits, usually accompanied by a shining tail |
| B. | elliptical orbits usually accompanied by a long shining tail |
| C. | hyperbolic orbit always accompanied by a shining head |
| D. | hyperbolic orbit without projecting any tail or head |
| Answer» B. elliptical orbits usually accompanied by a long shining tail | |
| 604. |
Foucault experiment is proof of which one of the following? [NDA 2008] |
| A. | Revolution of Earth |
| B. | Rotation of Earth |
| C. | Rotation of Moon |
| D. | Revolution of Moon |
| Answer» B. Rotation of Earth | |
| 605. |
The radiant energy of the sun is transmitted in the form of: |
| A. | short waves |
| B. | long waves |
| C. | particles |
| D. | none of these |
| Answer» A. short waves | |
| 606. |
While Venus is seen only for one to two hours either after sunset or before sunrise, Jupiter is seen for the whole night whenever it is visible in the sky. The reason for this is that: [CDS 2000] |
| A. | Venus is much smaller than Jupiter |
| B. | Venus is much closer to the earth than Jupiter |
| C. | the orbit of Venus is inside the earth's orbit whereas the orbit of Jupiter lies outside the orbit of the earth |
| D. | Venus reflects lesser amount of sunlight than Jupiter |
| Answer» C. the orbit of Venus is inside the earth's orbit whereas the orbit of Jupiter lies outside the orbit of the earth | |
| 607. |
Which of the following statements is/are correct with regard to Milky Way? 1. It is a spiral galaxy. 2. The solar system resides in one of its spiral arms. Select the correct answer using the codes given below [NDA 2008] |
| A. | 1 only |
| B. | 2 only |
| C. | Both 1 and 2 |
| D. | Neither 1 nor 2 |
| Answer» C. Both 1 and 2 | |
| 608. |
Among the following which planet takes maximum time for one revolution around the Sun? [IAS 2003] |
| A. | Earth |
| B. | Jupiter |
| C. | Mars |
| D. | Venus |
| Answer» B. Jupiter | |
| 609. |
Which one of the following statements is correct with reference to our solar system? [IAS 2002] |
| A. | The Earth is the densest of all the planets in our solar system |
| B. | The predominant element in the composition of Earth is silicon |
| C. | The Sun contains 75 percent of the mass of the solar system |
| D. | The diameter of the Sun is 190 times that of the Earth |
| Answer» A. The Earth is the densest of all the planets in our solar system | |
| 610. |
The Srnith-tuttle comet will crash with Earth in: [IAS 2003] |
| A. | 2106 AD |
| B. | 2116 AD |
| C. | 2126 AD |
| D. | 2136 AD |
| Answer» B. 2116 AD | |
| 611. |
The correct sequence of the following planets in terms of gravity, in the descending order is : [IAS 2003] |
| A. | Saturn, Earth, Neptune, Uranus |
| B. | Neptune, Uranus, Saturn, Earth |
| C. | Uranus, Earth, Saturn, Neptune |
| D. | Earth, Uranus, Neptune, Saturn |
| Answer» D. Earth, Uranus, Neptune, Saturn | |
| 612. |
Which of the following gases is most predominant in the Sun? |
| A. | Helium |
| B. | Hydrogen |
| C. | Nitrogen |
| D. | Ozone |
| Answer» B. Hydrogen | |
| 613. |
NASA's Deep Impact space mission was employed to take detailed pictures of which comet nucleus? [IAS 2007] |
| A. | Halley's Comet |
| B. | Hale-Bopp |
| C. | Hyakutake |
| D. | Tempel 1 |
| Answer» D. Tempel 1 | |
| 614. |
Consider the following statements: 1. The albedo of an object determines its visual brightness when viewed with reflected light. 2. The albedo of Mercury is much greater than the albedo of the Earth. Which of the statements given above is/are correct? [IAS 2008] |
| A. | 1 only |
| B. | 2 only |
| C. | Both 1 and 2 |
| D. | Neither 1 nor 2 |
| Answer» A. 1 only | |
| 615. |
Which of the following statements is/are correct? 1. In comparison to the Jupiter, planet Earth displays eclipses more frequently 2. On Mars, only partial solar eclipses are possible Select the correct answer using the code given below: [NDA 2011] |
| A. | 1 only |
| B. | 2 only |
| C. | Both 1 and 2 |
| D. | Neither 1 nor 2 |
| Answer» D. Neither 1 nor 2 | |
| 616. |
Which of the following statements relating to the planet Venus is/are correct? 1. It is the nearest planet from the Sun. 2. It is only slightly smaller than the Earth. 3. It has no atmosphere. Select the correct answer using the code given below: [Asstt Commdt 2011] |
| A. | 1, 2 and 3 |
| B. | 1 and 3 only |
| C. | 2 only |
| D. | 1 and 2 only |
| Answer» C. 2 only | |
| 617. |
What is the difference between asteroids and comets? 1. Asteroids are small rocky planetoids, while comets are formed of frozen gases held together by rocky and metallic material. 2. Asteroids are found mostly between the orbits of Jupiter and Mars, while comets are found mostly between Venus and Mercury. 3. Comets show a perceptible glowing tail, while asteroids do not. Which of the statements given above is/are correct? [CSAT 2011] |
| A. | 1 and 2 only |
| B. | 1 and 3 only |
| C. | 3 only |
| D. | 1, 2 and 3 |
| Answer» B. 1 and 3 only | |
| 618. |
A blackhole is a : [CDS 1999, 2001] |
| A. | contracted star with intense gravitational pull |
| B. | star with very low surface temperature |
| C. | star with no atmosphere |
| D. | pulsating star |
| Answer» A. contracted star with intense gravitational pull | |
| 619. |
Which one of the following is correct? Great Bear is a : [CDS 2008] |
| A. | galaxy |
| B. | planet |
| C. | star |
| D. | constellation |
| Answer» D. constellation | |
| 620. |
Asteroids have their orbits between the planets: |
| A. | Mercury and Venus |
| B. | Earth and Mars |
| C. | Mars and Jupiter |
| D. | Jupiter and Saturn |
| Answer» C. Mars and Jupiter | |
| 621. |
Halley's comet appears once in a period of: |
| A. | 24 years |
| B. | 32 years |
| C. | 76 years |
| D. | 84 years |
| Answer» C. 76 years | |
| 622. |
The orbits of planets around the Sun, or of satellites around the Earth, can be : [IFS 1993] |
| A. | circular and elliptic |
| B. | circular and hyperbolic |
| C. | elliptic and parabolic |
| D. | parabolic and hyperbolic |
| Answer» A. circular and elliptic | |
| 623. |
To a space traveller on moon, the lunar sky during day time appears: |
| A. | white |
| B. | blue |
| C. | black |
| D. | red |
| Answer» C. black | |
| 624. |
The distance between the Earth and the Sun (in million kms.) is : |
| A. | 111 |
| B. | 149 |
| C. | 168 |
| D. | 193 |
| Answer» B. 149 | |
| 625. |
Stars which appear single to the naked eye but are double stars when observed by a telescope, are known as : |
| A. | cosmic stars |
| B. | quasars |
| C. | binaries |
| D. | novae and supernovae |
| Answer» C. binaries | |
| 626. |
What are Sun spots? [Railways 1994] |
| A. | Regions on earth without winter climate |
| B. | Desert areas on the sun |
| C. | Dark patches on the surface of the sun which are cooler areas |
| D. | Dark patches on the surface of the Sun resulting from a localised fall in the temperature to about 4000 K |
| Answer» D. Dark patches on the surface of the Sun resulting from a localised fall in the temperature to about 4000 K | |
| 627. |
The brightest star in the sky is: [MBA 1995] |
| A. | Alfa Centauri |
| B. | Proxima Centauri |
| C. | Sirius |
| D. | Sun |
| Answer» D. Sun | |
| 628. |
Pole Star is always seen at one point in the sky whereas other stars are not; this is because: [CDS 1993] |
| A. | Pole star rotates with the same period as the earth |
| B. | Pole star is a star of our own galaxy |
| C. | Sun and Pole star are in two opposite directions relative to earth |
| D. | Pole star lies in the axis of spin of the earth |
| Answer» D. Pole star lies in the axis of spin of the earth | |
| 629. |
The outermost layer of Sun is called: |
| A. | convection zone |
| B. | photosphere |
| C. | chromosphere |
| D. | corona |
| Answer» D. corona | |
| 630. |
The mapping of which of the following is most difficult ? |
| A. | Mountains |
| B. | Plateaus and Plains |
| C. | Interior of the Earth |
| D. | Oceans and their depth |
| Answer» C. Interior of the Earth | |
| 631. |
Tides in the sea have stored in them: [CDS 1994] |
| A. | hydraulic energy |
| B. | kinetic energy |
| C. | gravitational potential energy |
| D. | a combination of all the above three forms of energy |
| Answer» D. a combination of all the above three forms of energy | |
| 632. |
In the earliest days when life originated on earth, the atmosphere contained : [UDC 1993] |
| A. | free oxygen |
| B. | no oxygen |
| C. | oxygen in fixed form |
| D. | oxygen bound to carbon |
| Answer» D. oxygen bound to carbon | |
| 633. |
Which one of the following would have occured if the earth had NOT been inclined on its own axis? [CDS 2002] |
| A. | All the seasons would have been of same duration |
| B. | The seasons would not have changed |
| C. | The summers would have been of longer duration |
| D. | The winters would have been of longer duration |
| Answer» B. The seasons would not have changed | |
| 634. |
Latitude of place is indicative of its: [Asstt Comm PF 2002] |
| A. | time |
| B. | altitude |
| C. | amount of rainfall |
| D. | temperature |
| Answer» D. temperature | |
| 635. |
The upper part of the mantle upon which the crust of the Earth floats is called: [IAS 2003] |
| A. | barysphere |
| B. | mesophere |
| C. | mohorovic discontinuity |
| D. | asthenosphere |
| Answer» D. asthenosphere | |
| 636. |
Tides are complied and they vary from place to place because of: [IAS 2003] |
| A. | the movement of Moon in relation to Earth |
| B. | Uneven distribution of water over the globe |
| C. | irregularities in the configuration of oceans |
| D. | all of the above |
| Answer» D. all of the above | |
| 637. |
Which of the following phenomenon is/are the effect of the rotation of the Earth? [IAS 2003] 1. Apparent movement of the Sun, the Moon and the Stars. 2. Flatness of the poles and bulge at the Equator. 3. Occurrence of' sunrise, noon and sunset 4. Magnetic field of the earth. |
| A. | 1 and 3 |
| B. | 2 and 3 |
| C. | 1, 2 and 3 |
| D. | 1, 2, 3 and 4 |
| Answer» D. 1, 2, 3 and 4 | |
| 638. |
The earth rotates around its axis from: [RRB 1991] |
| A. | north to south |
| B. | east to west |
| C. | south to north |
| D. | west to east |
| Answer» D. west to east | |
| 639. |
The word used to describe the shape of earth is: |
| A. | flat |
| B. | circle |
| C. | sphere |
| D. | oblate spheroid |
| Answer» D. oblate spheroid | |
| 640. |
The mean radius of the earth is approximately: |
| A. | 3200 km |
| B. | 6400 km |
| C. | 9600 km |
| D. | 12800 km |
| Answer» B. 6400 km | |
| 641. |
What is the correct sequence of the following layers of the Earth as one moves from the surface to the interior: 1. Mantle 2. Crust 3. Core Select the correct answer by using the codes given below: [NDA 1993] |
| A. | 1, 2, 3 |
| B. | 1, 3, 2 |
| C. | 2, 1, 3 |
| D. | 3, 1, 2 |
| Answer» C. 2, 1, 3 | |
| 642. |
Summer Solstice in the Southern Hemisphere occurs on : |
| A. | December 22 |
| B. | September 23 |
| C. | June 21 |
| D. | March 21 |
| Answer» A. December 22 | |
| 643. |
One degree of the circumference of the earth measures(approx.) : |
| A. | 100km |
| B. | 111km |
| C. | 151km |
| D. | 175km |
| Answer» B. 111km | |
| 644. |
Spring tides occur when: [CDS 1993] |
| A. | the moon is nearest to the earth |
| B. | the moon is farthest from the earth |
| C. | the moon, the sun and the earth are at right angles with the earth at the apex |
| D. | the moon, the sun and the earth are in the same line |
| Answer» D. the moon, the sun and the earth are in the same line | |
| 645. |
Variation in duration of day and night is due to: 1. rotation of earth on its axis 2. revolution of earth around the sun 3. inclination of earth at an angle of |
| A. | 1and 2 |
| B. | 2 and 3 |
| C. | 1 and 3 |
| D. | 1, 2 and 3 |
| Answer» B. 2 and 3 | |
| 646. |
Days and nights are caused by : 1. rotation of the earth on its axis 2. revolution of the earth around the sun 3. inclination of the earth's axis |
| A. | only 1 is correct |
| B. | 1 and 2 are correct |
| C. | 2 and 3 are correct |
| D. | all are correct |
| Answer» A. only 1 is correct | |
| 647. |
The speed of rotation of the earth is the highest: [NDA 1994] |
| A. | along the Equator |
| B. | at the North Pole |
| C. | along the Tropic of Cancer |
| D. | along the Arctic Circle |
| Answer» A. along the Equator | |
| 648. |
"Mohs' Scale" is used to indicate the: [IAS 2003] |
| A. | degree of brittleness of a substance |
| B. | degree of hardness of minerals. |
| C. | degree of viscosity of a liquid |
| D. | degree of elasticity of a material |
| Answer» B. degree of hardness of minerals. | |
| 649. |
At neap tide: 1. the sun and moon exert their force at right angles 2. the tidal amplitude is high 3. the low tides are very low |
| A. | 1 |
| B. | 2 and 3 |
| C. | 1 and 2 |
| D. | 1, 2 and 3 |
| Answer» A. 1 | |
| 650. |
If a solar eclipse occurs when the moon is quite far from the earth, the eclipse would be likely to be : |
| A. | total |
| B. | partial |
| C. | annular |
| D. | none of these |
| Answer» C. annular | |
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