Insights Static Quiz -268, 2019–Geography

Solution: d)

Geological Survey of India has chosen heritage locations in Maharashtra and Karnataka for UNESCO Global Geopark Network status. The Geopark tag is akin to that of a ‘World Heritage Site’ for historical monuments that can bring India’s famed geological features to the global stage.

The sites chosen are- Lonar Lake in Maharashtra and St. Mary’s Island and Malpe beach in coastal Karnataka are the GSI’s candidates for UNESCO Global Geopark Network status.

• UNESCO Global Geoparks are single, unified geographical areas where sites and landscapes of international geological significance are managed with a holistic concept of protection, education and sustainable development.

A UNESCO Global Geopark is given this designation for a period of four years after which the functioning and quality of each UNESCO Global Geopark is thoroughly re-examined during a revalidation process.

Solution: b)

Factors affecting ocean salinity are mentioned below:

• The salinity of water in the surface layer of oceans depend mainly on evaporation and precipitation.
• Surface salinity is greatly influenced in coastal regions by the fresh water flow from rivers, and in polar regions by the processes of freezing and thawing of ice.
• Wind, also influences salinity of an area by transferring water to other areas.
• The ocean currents contribute to the salinity variations. Salinity, temperature and density of water are interrelated. Hence, any change in the temperature or density influences the salinity of water in an area.
• Sodium chloride constitutes around 77.7% of ocean salts.

Solution: d)

There can be a variety of reasons for it:

• Ocean is a self-sustaining ecosystem and covers nearly 2/3rd of earth’s area.
• It is the oldest ecosystem.
• It is least affected by natural calamities.
• It is a highly diverse (from phytoplankton to sea grass to whales) and productive ecosystem and contains earliest evolutionary life forms.
• The evolutionary history has also been more stable than in terrestrial environments.

Solution: a)

Situated on the northeastern tip of the country, the state of Arunachal Pradesh is a part of Eastern Himalayan Ranges. The important forests types found in the state are Tropical evergreen, semi evergreen, deciduous, Pine, Temperate, Alpine and grassland.

Source

Solution: c)

Gujarat is strategically located with largest share in India’s coastline.