Salient features of world's physical geography

How are climate change and the sea level rise affecting the very existence of many island nations? Discuss with examples. (Answer in 150 words)

What are Tsunamis? How and where are they formed? What are their consequences? Explain with examples. (Answer in 150 words)

Discuss how the changes in shape and sizes of continents and ocean basins of the planet take place due to tectonic movements of the crustal masses. (Answer in 250 words)

What is sea surface temperature rise? How does it affect the formation of tropical cyclones?

What is the phenomenon of ‘Cloudbursts’? Explain.

The groundwater potential of the gangetic valley is on a serious decline. How may it affect the food security of India?

What are aurora australis and aurora borealis? How are these triggered?

What is a twister? Why are the majority of twisters observed in areas around the Gulf of Mexico?

Discuss the consequences of climate change on the food security in tropical countries.

How are the fjords formed? Why do they constitute some of the most picturesque areas of the world?

Why is the South-West Monsoon called ‘Purvaiya’ (easterly) in Bhojpur Region? How has this directional seasonal wind system influenced the cultural ethos of the region?

Describe the characteristics and types of primary rocks. (Answer in 150 words)

What are the forces that influence ocean currents? Describe their role in fishing industry of the world. (Answer in 250 words)

Mention the significance of straits and isthmus in international trade. (Answer in 250 words)

Troposphere is a very significant atmospheric layer that determines weather processes. How? (Answer in 250 words)

Why is India considered as a subcontinent? Elaborate your answer. (Answer in 150 words)

Briefly mention the alignment of major mountain ranges of the world and explain their impact on local weather conditions, with examples. (Answer in 250 words)

Discuss the geophysical characteristics of Circum-Pacific Zone. (Answer in 150 words)

How do ocean currents and water masses differ in their impacts on marine life and coastal environment? Give suitable examples. (Answer in 250 words)

Define mantle plume and explain its role in plate tectonics. (Answer in 150 words)

Why is Indian Regional Navigational Satellite System (IRNSS) needed? How does it help in navigation?

How does the Juno Mission of NASA help to understand the origin and evolution of the Earth? (150 words)

Account for variations in oceanic salinity and discuss its multi-dimensional effects. (250 words)

Discuss the concept of air mass and explain its role in macro-climatic changes.

Explain the factors responsible for the origin of ocean currents. How do they influence regional climates, fishing and navigation?

Most of the unusual climatic happenings are explained as an outcome of the El-Nino effect. Do you agree?

Why are the world's fold mountain systems located along the margins of continents? Bring out the association between the global distribution of fold mountains and the earthquakes and volcanoes.

Explain the formation of thousands of islands in Indonesian and Philippines archipelagos.

What do you understand by the theory of 'continental drift'? Discuss the prominent evidences in its support. (100 words)

Major hot deserts in northern hemisphere are located between 20-30 deg N latitudes and on the western side of the continents. Why? (200 words)

Bring out the causes for more frequent occurrence of landslides in the Himalayas than in the Western Ghats. (100 words)

Major hot deserts in northern hemisphere are located between 20–30° N latitudes and on the western side of the continents. Why?