World Geography - Study Mode
[#56] The process that creates the deep oceanic trenches is called
Correct Answer
(A) plate tectonics
Explanation
Solution: Trenches are formed by subduction, a geophysical process in which two or more of Earth's tectonic plates converge and the older, denser plate is pushed beneath the lighter plate and deep into the mantle, causing the seafloor and outermost crust (the lithosphere) to bend and form a steep, V-shaped depression.
[#57] The rainfall in the peninsular interior averages about
Correct Answer
(A) 650 mm a year
Explanation
Solution: The rainfall in the peninsular interior averages about 650 mm a year.
[#58] The Palaeozoic era contains ____ time periods.
Correct Answer
(A) six
Explanation
Solution: The Palaeozoic era contains six time periods.
[#59] The northern portion of the western coastal plain is called
Correct Answer
(A) Konkan plain
Explanation
Solution: The region consists of three sections: the Northern part of the coast is called the Konkan (Mumbai-Goa), the central stretch is called the Kanara, while the southern stretch is referred to as the Malabar Coast.
[#60] The ozone layer at high altitude contains
Correct Answer
(C) mixture of atomic oxygen (O), ordinary oxygen (O 2 ) and Ozone (O 3 )
Explanation
Solution: The ozone layer at high altitude contains mixture of atomic oxygen (O), ordinary oxygen (O 2 ) and Ozone (O 3 ).