JAMB Geography Past Questions & Answers - Page 7

31.

The coastal regions of Sierra Leone record an annual rainfall of over

A.

3000mm

B.

6,500mm

C.

4,800mm

D.

5,000mm

Correct answer is C

The annual rainfall in sierra leone coastal regions is over 4,800m, which makes it the wettest country in West Africa

32.

The part of the earth crust covered by water bodies is known as the

A.

hydrosphere

B.

sial

C.

stratosphere

D.

troposphere

Correct answer is A

The part of the earth's crust covered by water bodies is known as the hydrosphere. The hydrosphere includes all water on the surface of the earth, both salt and fresh. This includes oceans, seas, lakes, rivers, and even moisture in the air.

33.

Rocks are said to be crystalline when the atoms forming them are

A.

found in sedimentary rocks

B.

found in crystalline rocks

C.

arranged in a deposit pattern

D.

arranged vertically

Correct answer is C

Crystalline rocks are rocks that;
-do not contain fossils
-do not occur in layers i.e they are non-stratified

34.

The type of energy that is most environmentally friendly is

A.

Thermal

B.

Nuclear

C.

hydro electric

D.

solar

Correct answer is D

Solar energy is considered the most environmentally friendly type of energy. This is because it is a renewable source of energy that does not emit any greenhouse gases during production. Solar panels can be installed on rooftops, which does not require any additional land space. Hydroelectric energy, while also renewable, can have significant environmental impacts including habitat destruction and water quality impacts. Thermal and nuclear energy both have significant environmental impacts including greenhouse gas emissions and radioactive waste, respectively.

35.

The largest ocean in the world is the

A.

Arctic ocean

B.

Atlantic ocean

C.

Indian ocean

D.

Pacific ocean

Correct answer is D

The Pacific Ocean is the largest ocean in the world. It is larger than all of the Earth's land area combined. The other options, the Atlantic Ocean, Indian Ocean, and Arctic Ocean, are smaller in comparison.