Multiple-choice practice questions
Marjorie Henry, Contributor

In today's lesson I am continuing to offer you an opportunity to practise multiple-choice items. May I encourage you to attempt all the questions. When you have completed all of them, you could refer to your textbooks to see how accurate your answers are.

1. (i) Oceanic rocks are pushed towards the continental crust.

(ii) Slippage along strained faults in the earth's crust

(iii) External friction between moving parts of the earth's crust.

Statements that indicate how earthquakes will occur are

A. (i) and (ii) only

B. (i) and (iii) only

C. (ii) and (iii) only

D. All of the above

2. The movements of earthquake waves are recorded by the

A. thermograph

B. telegraph

C. seismograph

D. pictograph

Refer to the diagram below (Fig. 1) for questions 3 and 4

(Fig 1)

3. Point X is known as

A. the epicenter

B. the focus

C. a slip

D. a fault

4. Point Y is known as

A. the epicenter

B. the focus

C. a slip

D. a fault

5. The point on Earth's surface directly above the origin of an earthquake in Earth's crust is called

A. the focus

B. the fault

C. the centre

D. the epicentre

6. Lines drawn on a map linking together points of equal intensity of earth tremors are called

A. isotherm

B. isoseismal

C. isohaline

D. isohypse

7. Tsunamis are gigantic waves caused by earthquakes and will result in the destruction of coastal regions. They are also referred to as

A. shockwaves

B. sea waves

C. seismic sea waves

D. submarine waves

Refer to the diagram below (Fig 2) for questions 8, 9 and 10.

(Fig. 2)

8. Which fault is shown in the diagram?

A. Normal fault

B. Tear fault

C. Thrust fault

D. Reversed fault

9. A in the diagram is known as the

A. downthrow

B. strike

C. upthrow

D. throw

10. B in the diagram is known as the

A. downthrow

B. strike

C. upthrow

D. throw

Here are the answers for the multiple-choice items on volcanic activities given in the last lesson.

1. B

2. D

3. A

4. A

5. C

6. A

7. D

8. B

9. C

10. A

I do trust that all your answers were correct. If not, you will need to review the relevant topics.

Grade-eight students at Victor Dixon High School in Mandeville, Manchester, paint a section of Preddies Nursing Home during a visit to the institution recently. - Contributed