Top 80+ Solved The Universe MCQ Questions Answer
Q. 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
Q. 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
Q. The brightest star in the sky is: [MBA 1995]
a. Alfa Centauri
b. Proxima Centauri
c. Sirius
d. Sun
Q. 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
Q. The outermost layer of Sun is called:
a. convection zone
b. photosphere
c. chromosphere
d. corona