[Mission 2022] QUIZ – 2022: INSIGHTS STATIC QUIZ, 7 June 2022 – Geography

Solution: b)

The atmosphere is the thin layer of air that surrounds the earth. The gravitational force of the earth holds the atmosphere around it. It protects us from the harmful rays and scorching heat of the sun.

It consists of a number of gases, dust and water vapour. The changes in the atmosphere produce changes in the weather and climate.

Earth’s gravity is strong enough to hold onto its atmosphere. Mars, for example, is less than half Earth’s size and around one-tenth Earth’s mass. Less mass means less gravitational pull. Mars’ atmosphere is only about 1/100th as dense as Earth’s. And, by the way, it is mostly CO2.

Solution: b)

Ocean acidification is the ongoing decrease in the pH of the Earth’s oceans, caused by the uptake of carbon dioxide (CO2) from the atmosphere.

Ocean acidification is expected to impact ocean species to varying degrees. Photosynthetic algae and seagrasses may benefit from higher CO2 conditions in the ocean, as they require CO2 to live just like plants on land.

On the other hand, studies have shown that a more acidic environment has a dramatic effect on some calcifying species, including oysters, clams, sea urchins, shallow water corals, deep sea corals, and calcareous plankton.

Solution: b)

The lithosphere is broken into a number of plates known as the Lithospheric plates.

The molten magma inside the earth moves in a circular manner. These plates move because of the movement of the molten magma inside the earth.

Solution: c)

• Places farther from equator are likely to have lesser rainfall and a colder climate.
• Altitude affects the temperature of a place. Places at higher Mean Sea Level (MSL) are more likely to be colder than those at lower MSL.
• Distance from International Date Line indirectly refers to the longitude of a place, which has no bearing on a place’s weather or climate.
• Places close to large lakes or sea are more likely to have moderate weather due to the blowing of land and sea breezes.

Solution: a)

The Chota Nagpur Plateau is a plateau in eastern India, which covers much of Jharkhand state as well as adjacent parts of Odisha, West Bengal and Chhattisgarh. The Indo-Gangetic plain lies to the north and east of the plateau, and the basin of the Mahanadi River lies to the south.

The Chota Nagpur Plateau is a continental plateau—an extensive area of land thrust above the general land. The plateau has been formed by continental uplift from forces acting deep inside the earth.

The Damodar River flows through Chota Nagpur Plateau.