Daily Five May 29 2017

Daily Five May 29 2017


Date: 29/05/2017
All the below notes will also be updated in the ARISE IAS RAG List for systematic revision.
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Prelims Questions

1. Which of the following are causes of eruption of volcano?

1. Due to diverging or converging tectonic plates
2. High volume magma’s upper movement
3. Decrease in pressure of Magma as it rises up towards the crust
4. Injection of a new batch of magma into an already filled magma chamber

a) 1, 2
b) 1, 3
c) 1, 2, 3
d) All

2. Tropical cyclones do not form over equator. This is because
1. Equator is a zone of wind convergence.
2. The temperature over equator is too high.
3. There are no fronts over equator.
Select the correct answer using the codes given below.
a) 1 and 2 only
b) 1 and 3 only
c) 2 and 3 only
d) none

3. Deltas of eastern India are shrinking due to
1. huge amount of sediments being deposited.
2. groundwater mining.
3. construction of large dams.
Select the correct answer using the codes given below.
a) 1 and 2 only
b) 1 and 3 only
c) 2 and 3 only
d) 1, 2 and 3

4. Which of the following statement is true?
1. Super volcano was responsible for ice age
2. Antarctica has active volcanoes

Choose the right option

a. Only 1
b. Only 2
c. Both 1 and 2
d. None

5. Which of the following comes under the phenomena of mass movement?
1. soil creep
2. weathering
3. landslide
Select the correct answer using the codes given below.
a) 1 and 2 only
b) 1 and 3 only
c) 2 and 3 only
d) 1, 2 and 3

 


Ans:
1. D
https://www.scientificamerican.com/article/what-causes-a-volcano-to/

2. D
Tropical cyclone does not form over the equator because the coriolis force is zero at the equator. Even though equator is a zone of wind convergence, it has nothing to do with tropical cyclone as such. Temperature is highest north and south of equator and not exactly at equator. Fronts are required for formation of temperate cyclone and not tropical ones. So even though statement 3 is correct it is not a reason.
3. C
Deltas shrink due to lack of sediments and not due to huge amount of sediments. A proliferation of large dams that starve deltas of sediment, groundwater mining that causes land compaction, and artificial levees that affect river courses, have been responsible for the subsiding of major Indian deltas including Ganga-Brahmaputra, Krishna-Godavari, Brahmani and Mahanadi.
http://www.thehindu.com/sci-tech/energy-and-environment/indian-deltas-are-sinking/article5892566.ece

4. C
http://theconversation.com/deception-island-the-antarctic-volcano-that-just-doesnt-make-any-sense-37861

5. B
1 and 3 only In weathering, there is no movement and it is an in-situ process. In soil creep and landslide there is mass movement of soil and debris respectively, so they come under the phenomena of mass movement.

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