Lithosphere – I Endogenetic Processes

Samacheer Book Back Questions And Answers For Geography Standard 9 Full Book “Lithosphere – I Endogenetic Processes”

I Choose the correct answer:
1. _____ is the rigid outer layer of the Earth.
a. core
b. mantle
c. Crust
d. inner core

2. _____ layer is made up of liquid iron
a. Inner core
b. Outer core
c. Mantle
d. Crust

3. Magma is found in the _____.
a. crust
b. mantle
c. core
d. None of the above

4. Diastrophism is connected to
a. volcanism
b. earthquakes
c. tectonics
d. fold/fault

5. The movement of tectonic plates is induced by _____ energy.
a. hydel
b. thermal
c. wave
d. tidal

6. In the ancient period, Gondwanaland moved towards _____ direction.
a. north
b. south
c. east
d. west

7. Many million years ago, India was a part of the super continent _____
a. Gondwana
b. Laurasia
c. Panthalasa
d. Pangea.

8. The movement of plates that creates stress and tension in the rocks causing them to stretch and cracks result in _____.
a. fold
b. fault
c. mountain
d. earthquake

9. _____ refers to a bowl-shaped depression found at the top of the volcano.
a. crater
b. vent
c. chamber
d. volcanic cone

10. The point of origin of an Earthquake is called the _____
a. epicentre
b. focus
c. seismic wave
d. magnitude

II. Match the following:
1. Endogenetic process         A. Seismograph
2. Mantle                               B. Subduction Zone
3. Convergent boundaries    C. Volcanic Eruption
4. Earthquake                        D. Pacific Ocean
5. Composite volcano           E. SIMA

Answers:
1. C
2. E
3. B
4. A
5. D

III. Consider the given statements:
1. i. Mt. Fuji is a dormant volcano
ii. Mt. Kilimanjaro is a dormant volcano
iii Mt. Tanzania is a dormant volcano
Which of the statement(s) is are true
a. i is true
b. ii is true
c. iii is true
d. I, ii, iii are true

2. Statement: Magma gushes out when it finds vents.
Reason: Interior of the Earth contains compressed hot magma
Which of the statement(s) is are true
a. Statements & reason are true
b. Statements is true, reason is false
c. Statement is false reason is true
d. Statement & reason are false

3. Statement I: Mountain ranges are formed by the collision of tectonic plates
Statement II: The movement of tectonic plates is due to the thermal energy from the mantle
a. Statement I is false II is true
b. Statement I and II are false
c. Statement I is true II is false
d. Statement I and II are true