NCERT Solutions for Class 6 Social Science Ch 2 Oceans and Continents

Q 31. What percentage of earth's surface covered by land?

Ans. One- fourth.

Q 32. What is the most widespread colour seen on earth from the space?

Ans. Blue.

Q 33. Define island?

Ans. Some smaller pieces of land are left out, surrounded by water on all sides.

Q 34. What is the smaller extension of ocean?

Ans. Sea and gulf.

Q 35. Number of countries that are affected by 2004 Indian Ocean tsunami?

Ans. 13.

Q 36. Name the largest water body in world?

Ans. Ocean.

Q 37. Name the smallest continent in size?

Ans. Australia.

Q 38. What causes tsunami?

Ans. Earthquake under the oceans.