Current Questions

Important Geophysical Phenomena & Geographical Features :

Solar Eclipse

Consider the following statements with reference to the Solar Eclipse:

  1. In a total solar eclipse, the narrowest part of the path (where the Sun is completely blocked and the Moon casts its darkest shadow (called the umbra)) is called the “zone of totality”.
  2. An annular solar eclipse occurs occurs when Earth moves through the lunar penumbra (the lighter part of the Moon’s shadow) as the Moon moves between Earth and the Sun.

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The Bay Of Bengal Boundary Layer Experiment

Consider the following statements:

  1. The Bay of Bengal Boundary Layer Experiment or BoBBLE in short is a project funded by Union Ministry of Earth Sciences and the Natural Environment Research Council of United Kingdom.
  2. BoBBLE proposes an observational campaign for the southern Bay, during the established monsoon (mid-June to mid-July).

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Tropical Storm

Recently, a Category 4 tropical cyclone Kyarr formed over the Arabian Sea, becoming the strongest storm recorded in the area for 12 years. Consider the following statements about the tropical storm:

  1. A tropical cyclone is a storm system characterized by a large low-pressure center, a closed low-level circulation and a spiral arrangement of numerous thunderstorms that produce strong winds and heavy rainfall.
  2. A mature tropical cyclone is characterised by the strong spirally circulating wind around the centre which is called the eye.

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Equatorial Indian Ocean Oscillation

Recently, the Indian Institute of Sciences (IISc), Bengluru and National Centre for Ocean Information Services, Hyderabad jointly released a study paper about Equatorial Indian Ocean Oscillation (EQUINOO) and its effects over Indian Summer Monsoon. Consider the following statements regarding the EQUINOO.

  1. EQUINOO is as an oscillation or a seesaw between enhanced cloud formation and rainfall over the western equatorial Indian Ocean (WEIO) and suppressed clouding over the eastern equatorial Indian Ocean (EEIO) in west of Sumatra.
  2. A positive EQUINOO phase is when the surface sea temperature in WEIO is above 27.5 degree Celsius leading to enhanced clouding, which is then suppressed in the eastern equatorial Indian Ocean.

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Consider the following statements with respect to Cyclones:

  1. A cyclone is an area of low pressure around which the winds flow counterclockwise in the northern hemisphere.
  2. It halts the onwards progression of Monsoon.

Which of the statements given above is/are correct?

Strawberry Moon

Which of the following conditions prevail, when Strawberry Moon is formed?

  1. The Full Moon appears ‘opposite’ the Sun.
  2. The Moon appears smaller than it is and will be visible through a shorter arc.
  3. The Moon cast a longer shadow on the Earth

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Consider the following statements with respect to the clouds:

  1. High level clouds primarily are composed of ice crystals, and often appear thin, streaky, and white.
  2. The two main types of mid-level clouds include stratus, which develop horizontally, and cumulus, which develop vertically.
  3. Altostratus and altocumulus are low level clouds.

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