Astronomy (MCQ) (Pages :11)

  • 151 The stellar and solar source of energy is?

    (A) Nuclear fusion
    (B) Nuclear fission
    (C) Electromagnetic induction
    (D) Electromotive force
  • 152 The stratosphere is said to be ideal for flying jet aircraft because:

    (A) This layer is rich in ozone which reduces fuel consumption
    (B) The temperature is constant and ideal for aircraft engine efficiency
    (C) This layer is out of the firing range of anti aircraft guns
    (D) Of the absence of the clouds and other weather phenomena
  • 153 The stratosphere is said to be ideal for flying jet aircraft because?

    (A) This layer is rich in ozone which reduces fuel consumption
    (B) The temperature is constant and ideal for aircraft engine efficiency
    (C) This layer is out of the firing range of anti aircraft guns
    (D) Of the absence of the clouds and other weather phenomena
  • 154 The study of universe on grand scale is called.?

    (A) Cosmology
    (B) Astronomy
    (C) Astrology
    (D) Exbiology
  • 155 The Sun contains over ___of the total mass of the Solar System.?

    (A) 0.825
    (B) 0.98
    (C) 0.998
    (D) 0.02
  • 156 The Sun experiences magnetic storms and this Interferes with the magnetic field of the Earth and produces light which are called?

    (A) Quasars
    (B) Polar Auroras
    (C) Meteorites
    (D) Pulsar
  • 157 The tail of a comet is directed away from the Sun because?

    (A) as the comet rotates around the Sun; the light mass of the comet is pushed away due to the centrifugal force alone
    (B) as the comet rotates; the lighter mass of the comet is attracted by some star situated in the direction of its tail
    (C) the radiation emitted by the Sun exerts a radial pressure on the comet throwing its tail away from the Sun
    (D) the tail of the comet always exists in the same orientation
  • 158 The term 'syzygy' is referred to when the?

    (A) Earth is at prihelion and Moon at perigee
    (B) Earth is at aphelion and Moon at apogee
    (C) Moon and Sun are at right angles with reference to the Earth
    (D) Moon; Sun and Earth lie along a straight line
  • 159 The time taken by the sun to revolve around the centre or our galaxy is?

    (A) 25 million yrs
    (B) 100 million yrs
    (C) 250 million yrs
    (D) 500 millionyrs
  • 160 The value of escape velocity on the moon's surface is:

    (A) 3. 4 km/sec
    (B) 4 km/sec
    (C) 11. 2 km/sec
    (D) 5. 6 km/sec
  • 161 The value of escape velocity on the moon's surface is?

    (A) 3.4 km/sec
    (B) 4 km/sec
    (C) 11.2 km/sec
    (D) 5.6 km/sec
  • 162 The visible surface of the sun is known as?

    (A) Chromosphere
    (B) Sunspots
    (C) Sun surface
    (D) Photosphere
  • 163 The word 'planet' means ____.?

    (A) wanderer
    (B) pollution
    (C) celestial body
    (D) heavenly body
  • 164 The word 'satellite' means _____.?

    (A) wanderer
    (B) settlement
    (C) light
    (D) a smaller companion to anything
  • 165 To a space traveller stationed in Moon, during the day time the lunar sky will appear?

    (A) Blue
    (B) White
    (C) Black
    (D) Crimson Red
  • 166 What are the Pleides?

    (A) Constellation
    (B) Asteroides
    (C) Meteores
    (D) Comets
  • 167 What do you call a narrow neck oC land that connects two larger landmasses?

    (A) Peninsula
    (B) Isthmus
    (C) Cape
    (D) Strait
  • 168 What does perigee mean?

    (A) The position of the moon farthest from the earth
    (B) The position of the earth nearest to the Sun
    (C) The position of the moon nearest to the earth
    (D) The position of the earth farthest from the Sun
  • 169 What happens during the equinoxes?

    (A) The countries along the Equator are in darkness
    (B) The countries along the Equator are at their hottest
    (C) The countries along the Equator are at their wettest
    (D) The Sun shines vertically over the Equator
  • 170 What happens when ships cross the International Date Line?

    (A) They have to pay a tax
    (B) Ships going west from the USA lose a day; ships going east from Japan and Australia gain a day
    (C) They have to report at the customs post
    (D) They have to check their clocks agains
  • 171 What is a narrow waterway separating two bits of land called?

    (A) A bay
    (B) A gulf
    (C) A strait
    (D) An isthmus
  • 172 What is a 'synodic month'?

    (A) Moon's period of rotation on its axis with respect to the earth.
    (B) Moon's period of revolution around the earth.
    (C) Moon's period of revolution with respect to a star at infinity
    (D) Moon's period of revolution with respect to the Sun
  • 173 What is NOT true about Brahmos missile?

    (A) It was developed by the DRDO with the help of USA.
    (B) It’s a supersonic cruise missile that can be launched from submarines; ships; aircrafts or land.
    (C) It can hit at the maximum range of 290 kms.
    (D) It has the capability to hit the surface targets as low as 10 meters of altitude.
  • 174 What is peninsula?

    (A) A narrow belt of land
    (B) A mountainous island
    (C) A piece of land surrounded by water on three sides
    (D) A range of hills
  • 175 What is siderial day?

    (A) Time taken by the earth to complete one rotation with respect to a fixed star at infinity
    (B) Time taken by the earth to complete one revolution with respect to the Moon
    (C) Time taken by the earth to complete one rotation with respect to the Moon
    (D) Time taken by the earth to complete one rotation with respect to the Sun
  • 176 What is significant about the town of Greenwich?

    (A) The International Date Line passes through it
    (B) The 0◦ (Zero) meridian passes through it and therefore the world sets its time by it
    (C) It is at 180◦ longitude
    (D) It is a major horological research centre in Britain
  • 177 What is the average radius of the Earth?

    (A) 6071km
    (B) 6571km
    (C) 6371km
    (D) 6771 km
  • 178 What is the correct decreasing order of the officers in the Indian Army?

    (A) Field marshal; General; Lieutenant General and Major General
    (B) General; Field marshal ; Lieutenant General and Major General
    (C) General; Lieutenant General; Major General and Field marshal;
    (D) General; Field marshal ;Lieutenant General and Major General
  • 179 What is the difference between a lake and a tank?

    (A) A lake is small and a tank is big
    (B) A lake has flowing water; a tank has still water
    (C) A lake is a geographical feature; a tank is not
    (D) Both are land-enclosed water bodies; but the latter is man-made
  • 180 What is the difference between asteroids and comets? I. Asteroids are small rocky planetoids, while comets are formed of frozen gases held together by rocky and metallic material. II. Asteroids are found mostly between the orbits Jupiter and Mars, while comets are found mostly between Venus and Mercury. III. Comets show a perceptible glowing tail, while asteroids do not. Which of the statements given above is/ are correct?

    (A) I and II Only
    (B) I and III Only
    (C) III Only
    (D) I; II and III

"How do we keep our inner fire alive? Two things, at minimum, are needed: an ability to appreciate the positives in our life and a commitment to action. Every day, it's important to ask and answer these questions: 'What's good in my life?' and 'What needs to be done?'"

- Nathaniel Branden
PSC Malayalam PSC English android app, LDC, KAS, LGS, PSC Degree Level Exams, PSC Malayalam Questions
Gk4success Nursing App, PSC Staff Nurse, AIIMS, JIPMER, RCC, MOH, HAAD, DHA, PGIMER, ESIC Nursing Exams

Feedback

Please let us know your experience with our website!.

Forgot Password

Please let us know your experience with our website!.