physiography geomorphology of india section 5 MCQ Questions & Answers Detailed Explanation

Answer: (c)

The Indian subcontinent is a southerly region of Asia, mostly situated on the Indian Plate and projecting southward into the Indian Ocean. In palaeogeography, Gondwana, originally Gondwanaland was the southernmost of two supercontinents that were part of the Pangaea supercontinent.

It existed from approximately 510 to 180 million years ago. Gondwana included most of the landmasses in today’s Southern Hemisphere, including Antarctica, South America, Africa, Madagascar and the Australian continent, as well as the Arabian Peninsula and the Indian subcontinent, which have now moved entirely into the Northern Hemisphere.

Answer: (b)

Answer: (c)

Answer: (a)

Answer: (b)

The word "Metamorphism" comes from the Greek: Meta = change, Morph = form, so metamorphism means to change form.

The process of metamorphism is one that changes or alters either the mineralogy (structure) or the texture, but typically both, of some pre-existing rock. Metamorphic rocks are consequently rocks that have undergone a change or "metamorphosis" from a previous state as a sedimentary, igneous or even another metamorphic rock.

Answer: (a)

Rajasthan dry region is a western dry region as classified by Planning Commission.