BIHAR CGL PRE - GEO QUIZ-1(Internal Structure of the Earth)

Question 1:

What is the name of the place in the Earth's atmosphere where seismic waves originate?

Epicenter

Earthquake Fault

Hypocenter

Eclogite

Question 2:

Which of the following elements predominate in the mantle?

Silica and Manganese

silica and aluminum

Silica and Magnesium

silica and iron

Question 3:

Which of the following waves reach the surface first?

Primary Wave (P)

Secondary wave (S)

Long period Waves(L)

All

Question 4:

The Gutenberg discontinuity is found between which two layers of the Earth?

Crust and Mantle

mantle and core

upper and lower mantle

inner and outer core

Question 5:

Which one of the following describes the lithosphere ?

Mantle and core

Earth's crust and core

Earth's crust and upper mantle

None of these

Question 6:

Seismic shadow zones are those areas where -?

where the seismic wave first comes

where the shortest wave emerges

where no seismic wave is recorded

All of the above

Question 7:

Consider the following statements

1. 63 percent of the earth is made up of mantle.

2. Weakness zone is the main source of magma during volcanic eruption Which of the above statements are true.

Which of the above statements are true?

Only 1

Only 2

Both 1 and 2

All of the above

Question 8:

Consider the following statements

Assertion (A) Formative edge forms new crust.

Reason (R) In this sequence the plates move in opposite directions from each other.

Which of the above statements are true.

Both A and R are true and R is the correct explanation of A

Both A and R are true, but R is not the correct explanation of A

A is true but R is false

A is false but R is true

Question 9:

Consider the following statements

1. 'P' waves are fast moving seismic waves.

2. 'P' waves are the most destructive.

3. 'S' waves pass only through solid mediums.

Which of the above statements are true?

Only 1

1 and 2 only

2 and 3 only

1 and 3 only

Question 10:

Originally there was only one huge landmass on the earth which is known by which of the following?

Panthalassa

Laurasia

Pangea

Gondwana Land