Insights Static Quiz -426, 2019–Geography

Solution: c)

Lightning is a very rapid — and massive — discharge of electricity in the atmosphere, some of which is directed towards the Earth’s surface.

These discharges are generated in giant moisture-bearing clouds that are 10-12 km tall.

There is a greater probability of lightning striking tall objects such as trees, towers or buildings.

Source

Solution: a)

Damodar occupies the eastern margins of the Chotanagpur Plateau where it flows through a rift valley and finally joins the Hugli. Barakar is its main tributary.

The Sharda River or Mahakali River is also called Kali Gad or Kali Ganga in Uttarakhand where the river demarcates Nepal’s western border with India.

Solution: c)

Tornadoes forms in relatively smaller area compare to tropical cyclones.

All other statements are correct regarding tornadoes.

Solution: d)

The Indian Ocean Dipole (IOD), also known as the Indian Niño, is an irregular oscillation of sea-surface temperatures in which the western Indian Ocean becomes alternately warmer and then colder than the eastern part of the ocean.

A 2009 study has demonstrated a significant correlation between the IOD and drought in the southern half of Australia, in particular the south-east.

During the Positive IOD, the eastern equatorial Indian Ocean off Sumatra in Indonesia becomes colder than normal while the western tropical part of the Indian Ocean near the African coast becomes unusually warm. This is beneficial for the monsoon.

During the Negative IOD the eastern equatorial Indian Ocean off Sumatra in Indonesia becomes abnormally warm while the western tropical part of the ocean near the African coast becomes

Solution: c)

Central America and East coast of Africa has tropical monsoon type of climate.