1. Diamond Ring is a phenomenon observed-
A. at the start of a total solar eclipse
B. at the end of the a total solar eclipse
C. only along the peripheral regions of the totality trail
D. only in the central region of the totality trail
2. The time taken by the sun to resolve around the center of our galaxy is-
A. 25 million years
B. 100 million years
C. 250 million years
D. 500 million years
3. The first bird is believed to have appeared on the surface of the earth-
A.300 million years ago
B.200 million years ago
C.150 million years ago
D.100 million years ago
4. The colour of a star is an indication of its-
A. distance from the sun
B. luminosity
C. distance from the earth
D. temperature
5. The greatest diversity of animal and plant species occurs in-
A. temperate deciduous forests
B. tropical moist forests
C. heavily polluted rivers
D. deserts and savannas
6. The planet nearest to the earth is-
A. Mercury
B. Venus
C. Mars
D. Jupiter
7. Which is a celestial phenomenon occurring due to stars?
A. Ozone hole
B. Black hole
C. Rainbow
D. Comet
8. The length of its day and the tilt of its axis are almost identical to those of the earth. This is true of-
A. Uranus
B. Neptune
C. Saturn
D. Mars
9. A meteor is-
A. A rapidly moving star
B. A piece of matter which has entered the earth’s atmosphere from outer space
C. Part of constellation
D. A comet without a tail
10. On which planet was the space craft Magellan’ sent-
A. Mars
B. Saturn
C. Jupiter
D. Venus