Conservation Geography Week 2 NPTEL Assignment Answers 2025
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✅ Subject: Conservation Geography
📅 Week: 2
🎯 Session: NPTEL 2025 July-October
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NPTEL Conservation Geography Week 2 Assignment Answers 2025
1. In an undisturbed sedimentary strata, bottom layers are older than layers above them. This is known as
- Principle of superposition
- Principle of original horizontality
- Principle of lateral continuity
- Principle of inclusions
Answer : See Answers
2. Mount Vesuvius is an example of
- Shield volcano
- Composite volcano
- Caldera
- Flood basalt province
Answer : a
3. Krakatoa eruption resulted in the formation of
- Shield volcano
- Stratovolcano
- Caldera
- Flood basalt province
Answer : c
4. Which of these is not a method of absolute dating?
- radioisotope dating
- thermoluminescence dating
- inclusion study
- fission track dating
Answer :
5. Which of these is true about S waves?
- They are longitudinal in nature
- They are transverse in nature
- They cannot move through solids, liquids and gases
- They are the first to reach the surface of the Earth
Answer :
6. Hawaiian volcanoes are an example of
- Shield volcano
- Stratovolcano
- Caldera
- Flood basalt province
Answer : See Answers
7. Within a depositional basin, strata are laterally continuous in all directions till the edge of the basin. This is known as
- Principle of superposition
- Principle of original horizontality
- Principle of lateral continuity
- Principle of inclusions
Answer :
8. Which of these is a gas giant?
- Mercury
- Venus
- Mars
- Saturn
Answer :
9. Assemblage of fossils are unique to the time that they lived in, and so can be used to age rocks across a wide geographic distribution. This is known as
- Principle of fossil succession
- Principle of original horizontality
- Principle of superposition
- Principle of cross-cutting relationships
Answer :
10. Which of these is an example of direct source of information about the Earth?
- earthquake
- volcanic eruption
- magnetic survey
- gravity anomaly
Answer : See Answers
NPTEL Conservation Geography Week 2 Assignment Answers 2024
1. Which of these is true about P waves?
a) These are longitudinal waves
b) These are transverse in nature
c) They cannot move through gases
d) They cannot move through liquids
Answer: a) These are longitudinal waves
Explanation: P waves (Primary waves) are compressional or longitudinal waves that can travel through solids, liquids, and gases. They are the fastest seismic waves.
2. Inclusions are older than the host rock. This is known as:
a) Principle of superposition
b) Principle of original horizontality
c) Principle of lateral continuity
d) Principle of inclusions
Answer: d) Principle of inclusions
Explanation: This principle states that any rock fragments (inclusions) that are contained in a rock must be older than the rock in which they are found.
3. Mount Fuji is an example of:
a) Shield volcano
b) Stratovolcano
c) Caldera
d) Flood basalt province
Answer: b) Stratovolcano
Explanation: Mount Fuji is a classic stratovolcano with steep, conical shape built from multiple layers of lava and ash.
4. Layers of rocks deposited from above (e.g., sediments and lava flows) are originally laid down horizontally. This is known as:
a) Principle of superposition
b) Principle of original horizontality
c) Principle of lateral continuity
d) Principle of inclusions
Answer: b) Principle of original horizontality
Explanation: This principle suggests that sedimentary layers are deposited in a horizontal position under the action of gravity.
5. Which of these is NOT a method of absolute dating?
a) Radioisotope dating
b) Thermoluminescence dating
c) Inclusion study
d) Fission track dating
Answer: c) Inclusion study
Explanation: Inclusion study is a relative dating method, not an absolute one. Absolute methods provide an actual numerical age.
6. Which of these is true about S waves?
a) They are longitudinal in nature
b) They are transverse in nature
c) They cannot move through solids, liquids and gases
d) They are the first to reach the surface of the Earth
Answer: b) They are transverse in nature
Explanation: S (Secondary) waves are shear or transverse waves and can travel only through solids.
7. Which of these is an example of a direct source of information about Earth?
a) Earthquake
b) Volcanic eruption
c) Magnetic survey
d) Gravity anomaly
Answer: b) Volcanic eruption
Explanation: Volcanic eruptions bring material from deep within the Earth to the surface, providing direct information.
8. Assemblage of fossils are unique to the time that they lived in, and so can be used to age rocks across a wide geographic distribution. This is known as:
a) Principle of fossil succession
b) Principle of original horizontality
c) Principle of superposition
d) Principle of cross-cutting relationships
Answer: a) Principle of fossil succession
Explanation: This principle states that fossil organisms succeed one another in a definite and recognizable order.
9. Within a depositional basin, strata are laterally continuous in all directions till the edge of the basin. This is known as:
a) Principle of superposition
b) Principle of original horizontality
c) Principle of lateral continuity
d) Principle of inclusions
Answer: c) Principle of lateral continuity
Explanation: This principle suggests sediment layers extend laterally in all directions until they thin out or encounter a barrier.
10. Krakatoa eruptions resulted in the formation of:
a) Shield volcano
b) Stratovolcano
c) Caldera
d) Flood basalt province
Answer: c) Caldera
Explanation: The 1883 Krakatoa eruption caused the collapse of the volcano, forming a large caldera — a depression created when a volcano erupts and collapses.
