# Unseen Passage

For Class 4 to Class 12

# Interior of the Earth MCQs Class 11 Geography

Please refer to Chapter 3 Interior of the Earth MCQs Class 11 Geography with answers below. These multiple-choice questions have been prepared based on the latest NCERT book for Class 11 Geography. Students should refer to MCQ Questions for Class 11 Geography with Answers to score more marks in Grade 12 Geography exams. Students should read the chapter Interior of the Earth and then attempt the following objective questions.

## MCQ Questions Class 11 Geography Chapter 3 Interior of the Earth

Interior of the Earth MCQ Class 11 Geography provided below covers all important topics given in this chapter. These MCQs will help you to properly prepare for exams.

Question. Earthquake waves are of types
a. two
b. three
c. five
d. four

A

Question. The gravitation force (g) at different latitudes on the surface is
a. same
b. different
c. decreases towards the poles
d. increases towards the equator

B

Question. What is the mean thickness of oceanic crust?
a. 5 km
b. 30 km
c. 10 km
d. 70 km

A

Question. The interior of the earth can only be understood by ______________
a. Direct methods
b. Indirect methods
c. Both the indirect and direct methods
d. None of the Above

C

Question. On the basis of the satellite data the average density of the core of the earth is-
a. 13 g cm3
b. 12 g cm3
c. 11 g cm3
d. 10 g cm3

C

Question. What is called the point on the surface?
a. Hypocentre
b. Focus
c. Epicentre
d. Body centre

C

Question. The temperature and pressure increases through
a. mining
b. drilling
c. volcanic
d. gravitational

A

Question. Volcanoes are
a. indirect source of information about the earth’s interior
b. direct source of information about the interior of the earth
c. not a source of information about the interior of the earth
d. good source to ascertain earth’s temperature

B

Question. Which is not a type of volcano?
a. Shield volcano
b. Composite volcano
c. Ridge volcano
d. Caldera

B

Question. Which one of the following is a direct source of the information about the interior of the Earth?
a. Earthquake waves
b. Volcanoes
c. Gravitational force
d. Earth magnetism

A

Question. What is the density of the rocks between the adjoining line on mantle and core?
a. 3-4 gm. per sq. cm
b. 5 gm. per sq. cm
c. 4-5 gm. per sq. cm
d. 6 gm. per sq. cm

B

Question. Which material reaches the ground during volcanic eruptions?
a. gases
b. sulphur compounds
c. nitrogen compounds
d. all of them

D

Question. Which one of the following is a direct source of the information about the interior of the Earth?
a. Earthquake waves
b. Volcanoes
c. Gravitational force
d. Earth magnetism

A

Question. What is the approximate depth of mantle?
a. 2400 km
b. 2900 km
c. 3200 km
d. 3500 km

B

Question. Core is made of which metals?
a. Iron and Magnesium
b. Iron and Silicon
c. Nickel and Iron
d. Nickel and Magnesium.

D

Question. Magma refers to
a. Rocks
b. Material in the upper mantle
c. Material in the upper core
d. Material in the crust

B

Question. The Deccan trap is a large
a. flood plain
b. flood basalt province
c. lava plain
d. shield volcano

B

Question. Which type of volcanic eruptions have caused Deccan Trap formations?
a. Shield
b. Flood
c. Composite
d. Caldera

B

Question. Which type of volcanic eruptions have caused Deccan Trap formations?
a. Shield
b. Flood
c. Composite
d. Caldera

B

Question. Which wave moves slowly to arrive at the surface?
a. P
b. S
c. surface waves
d. body waves

B

Question. The magnitude is expressed in absolute number ‘
a. 0 to 10
b. 1 to 12
c. 0 to 12
d. 1 to 10

A

Question. What is the velocity of ‘P’ waves?
a. 5-6 km/s
b. 10-20 km/s
c. 1-3 km/s
d. 8-10 km/s

A

Question. Which one of the following is a direct source of information about the interior of the earth?
a. Earthquake
b. Volcanoes
c. Gravitational force
d. Earth magnesium

B

Question. What type of earthquake is generated due to sliding of rocks?
a. Reservoir induced
b. Tectonic
c. Explosion
d. Collapse

B

Question. The tremors which occur due to the explosion of chemical or nuclear devices are called
a. Collapse
b. Explosion
c. Volcanic
d. Tectonic