Causes of Earthquake

Q.

What is an epicentre?

Q. Which of the following is not a natural phenomenon?

1. Earthquake
2. Oil Spill
3. Thunderstorm
4. Lightning

Q.

(a) What is an earthquake? What are the two main situations in which earthquakes occur?

(b) Define (i) focus, and (ii) epicentre, of an earthquake.

(c) What are the various effects of an earthquake?

Q.

The epicentre of an earthquake is:

(a) deep under the crust of earth (b) in the mantle of earth

(c) on the surfce of earth (d) in the core of earth

Q.

The place inside the earth's crust where the erthquake is generated is called:

(a) seismic zone of the earth (b) epicentre of the earthquake

(c) fault zone of the earth (d) focus of the earthquake

Q. Which of the following is a manmade disaster?

1. Earthquake
2. Oil spills
3. Storm
4. Tsunami

Q.

Earthquakes cause Tsunamis but Tsunamis do not cause earthquakes.

1. True

2. False

Q.

Name two events (other than earthquakes) which can cause tremors on the earth.

Q. A sudden shaking or trembling of the Earth, caused by a disturbance deep inside the Earth's crust, is known as ________.

1. tsunami
2. flood
3. earthquake
4. landslides

Q.

The point of origin of waves of earthquake is called as

Q.

Which of the following device can be used for protecting a building during lightning?

1. Crescograph

2. Anemometer

3. Lightning Conductor

4. Barometer

Q. Storms, cyclones, earthquake, lightning etc. are ................ natural phenomena:

1. destructive
2. complex
3. constructive
4. simple

Q. The natural calamity that cannot be predicted accurately in advance:

1. Cyclone
2. Earthquake
3. Famine
4. Flood

Q. The weak zones around the boundaries of plates underneath Earth, which are prone to slide and cause earthquake are commonly known as:

1. fault zone
2. eruption zone
3. explosive zone
4. sliding zone

Q. The boundaries of the plates, called weak zones, are also known as:

1. danger zones
2. seismic zones
3. colliding zones
4. none of the above

Q. Tremors on the earth can also be caused when?

1. Valcano erupts
2. Underground nuclear explosion
3. All of the above
4. Metero hits the earth

Q. Apart from disturbance inside the earth, what are the other causes of an earthquake?

Q. On ${26}^{th}January,2001$, a major earthquake occured in _____ district of Gujarat.

1. Uri
2. Tangdhar
3. Bhuj
4. Kachchh

Q. Describe the mechanism of occurrence of an earthquake with the help of pictorial representation.

Q.

What is earthing?

Q. Charges are developed in the clouds because of:

1. Friction
2. Gravitation
3. Magnetism
4. Heat transfer

Q. Earthquake and tsunamis are difficult to predict

1. True
2. False

Q. Which of the following cannot be the result of an earthquake?

1. Tsunami
2. Volcanic eruption
3. Landslides
4. Lightning

Q. The movement of Earth's plates causes

1. Lightening
2. Cyclons
3. Earthquake
4. Thunderstorms

Q. State whether the given statement is True or False :

1. True
2. False

Q. Weak zones of plates are also known as:

1. seismic zones
2. fault zones
3. danger zones
4. both A and B

Q. Charges are developed in the clouds because of:

1. Friction
2. Gravitation
3. Magnetism
4. Heat transfer

Q. Which of the natural phenomena are possible to occur due to earthquake?

1. Floods
2. Landslides
3. Tsunami
4. All of the above

Q. In which of the following layers of the earth do the earthquake originate?

1. Crust
2. Mantle
3. Outer core
4. Inner core

Q.

Assertion(A): Earthquake occurs due to the movement of tectonic plates.​

Reason(R): When tectonic plates compress each other, pressure is built up. ​

1. Both A and R are true, and R is the correct explanation of A.​
2. A is true but R is false.​
3. Both A and R are true, and R is not the correct explanation of A.​
4. A is false but R is true.​