Magellan's ship Victoria after completing a round-the-world voyage in 1522 returned to which country?

1. France
2. Spain
3. London
4. United States of America

Earth's diameter at the Equator is …………… and at the poles is …………… .

1. 12,750 km, 12,715 km
2. 12,752 km, 12,726 km
3. 12,714 km, 12,755 km
4. 12,756 km, 12,714 km

Given below are pairs of statements. Select the statements which prove the spherical shape of the earth.

(a) If there were no buildings in the way, we would be able to see another city that is hundreds of miles away.
(b) The boat would stay in view no matter how far out to sea it went.
(c) A ship slowly starts to disappear from view as it gets farther away.
(d) If we were to place two identical sticks in the ground in two different places, the length of their shadows differs.
(e) During a lunar eclipse, the sun projects Earth's shadow onto the moon and the shadow is round.

1. (a), (b), (c)
2. (b), (c), (e)
3. (c), (d), (e)
4. (a), (d), (e)

The atmosphere of Venus has maximum concentration of which gas?

1. Oxygen
2. Carbon dioxide
3. Nitrogen
4. Helium