GK: Our Universe, Physical Geography, Part 04

1. Advanced sunrise and delayed sun-set found in the sky are due to the phenomenon of ____

A) Diffraction of sunlight
B) Refraction of sunlight
C) Scattering of sunlight
D) Total internal reflection of sun-light

... Answer is B)

2. If the orbit of a planet is an ellipse then what is the point at which the Sun is located called?

A) Centre
B) Circumcentre
C) Incentre
D) Focus

... Answer is D)

3.The scientist who first discovered that the earth revolves round the sun was:

A) Newton
B) Delton
C) Copernicus
D) Einstein

... Answer is C)

4. The shortest day length that occurs in the Northern hemisphere is on__

A) 21st March
B) 23rd September
C) 22nd November
D) 22nd December

... Answer is D)

5. On 21st June, the Sun_____

A) Does not set below the horizon at the Arctic Circle
B) Does not set below the horizon at Antarctic Circle
C) Shines vertically overhead at noon on the Equator.
D) Shines vertically overhead at the Tropic of Capricon.

... Answer is A)

6.Eclipse occur due to which optical phenomena?

A) Reflaction
B) Refraction
C) Rectilinear propagation
D) Deffraction

... Answer is C)

7. What is meant by the term 'midnight sun'?

A) Twilight
B) Rising sun
C) Very bright moon
D) Sun shining in the polar circle for long time.

... Answer is D)

8. Which of the following hypothesis/theory explains the origin of the universe?

A) Nebular hypothesis
B) Binary theory
C) Big Bang theory
D) Planetesimal hypothesis.

... Answer is C)

9. What is a Constellation?

A) A perticular pattern of equidistant stars from the earth in the sky.
B) A particular pattern of stars that may not be equidistant from the earth in the sky.
C) A particular pattern of planets of our solar system in the sky.
D) A perticular pattern of stars, planets and sarellites in the sky due to their position in the space.

... Answer is D)

10.Day and night are equal at the_______.

A) Prime Meridian
B) Antarctic
C) Equator
D) Poles

... Answer is C)

11. The earth is nearest to the sun on________.

A) 4 July
B) 21 March
C) 23 September
D) 3 January

... Answer is D)

12. Objects that shine in the night sky are known as________.

A) Constellations
B) Celestial bodies
C) Meteoroids
D) Asteroids

... Answer is B)

13. The approximate diameter of the sun is ------- times the diameter of Earth.

A) 92
B) 109
C) 123
D) 146

... Answer is B)

14.The fact that the planets move around the Sun, not in circles but in ellipses, was first demostrated by:

A) Galileo
B) Martin Luther
C) Johannes Kepler
D) Copernicus

... Answer is C)

15. Lucifer is another name for the planet---------.

A) Mars
B) Venus
C) Jupiter
D) Saturn

... Answer is B)

16. The constellation 'Sapta Rishi' is known to westerners as the:

A) Seven Monks
B) Alpha Centauri
C) Big Dipper
D) Small Bear

... Answer is C)

17.When does solar eclipse take place?

A) When the sun is between the moon and the earth.
B) When the earth is between the moon and the sun.
C) When the moon is between the sun and the earth.
D) When the moon does not lie on the line joining the sun and the earth.

... Answer is C)

18.Even after sunset, the air near the earth's surface continue to receive heat due to:

A) Insolation
B) Terrestrial Radiation
C) Conduction
D) Convection

... Answer is B)

19.The term 'Higgs Boson' is associated with:

A) Nano Technology
B) Oncology
C) God Particles
D) Stem cell Research

... Answer is C)

20. The large collection of stars, dust and gas held together by gravitational attraction between components in known as:

A) Galaxy
B) Cluster
C) Sun family
D) Atmosphere

... Answer is A)