The Andaman is separated from Nicobar by which water body?
(a) 11° channel
(b) 10° Channel
(c) Palk Strait
(d) Gulf of Mannar
Solution: (b)
The Ten Degree Channel is a channel that separates the Little Andaman and Car Nicobar in the Bay of Bengal. The two sets of islands together form the Indian Union Territory (UT) of Andaman and Nicobar Islands. The channel is so named as it lies on the 10- degree line of latitude, north of the equator.
The longest sea beach in India is
(a) Chapora beach
(b) Diu beach
(c) Aksa beach
(d) Marina beach
Solution: (d)
Marina Beach, a natural urban beach in Chennai, is the longest beach of India with a length of 6.5 km. The beach runs from near Fort St. George in the north to Foreshore Estate in the south. It is the second longest beach in the world after Praia do Cassino beach of Brazil.
The Himalayas is an example of
(a) Fold mountains
(b) Block mountains
(c) Ancient mountains
(d) Residual mountains
Solution: (a)
The Himalayas is an example of Fold mountains that are created where two or more of Earth’s tectonic plates are pushed together. At these colliding, compressing boundaries, rocks and debris are warped and folded into rocky outcrops, hills, mountains, and entire mountain ranges. Besides, Andes, and Alps are all active fold mountains.
the continuous chain of mountains that rise abruptly more or less parallel to the coastline of India is
(a) Aravalli
(b) Satpura
(c) Eastern Ghats
(d) Western Ghats
Solution: (d)
Western Ghats (also known as Sahyadri) is a continuous mountain range that runs parallel to the western coast of the Indian peninsula. It abruptly rises as a sheer wall to an average elevation of 1,000 m from the Western Coastal Plain. But,they slope gently on their eastern flank and hardly appear to be a mountain when viewed from the Deccan tableland. They are steep-sided, terraced, hills presenting a stepped topography facing the Arabian Sea coast.
Which river originates from the Amarkantak plateau?
(a) Narmada river
(b) Son river
(c) Betwa river
(d) Godavari river
Solution: (a)
The source of the Narmada is a small bowl, known as the Narmada Kund, located at Amarkantak on the Amarkantak hill in the Anuppur District zone of eastern Madhya Pradesh.The river moves down from the Amarkantak range at the Kapildhara waterfalls and then flows in a rift valley between the Satpura and Vindhya ranges.
Which of the following rock formations resulted in Eastern Ghats?
(1) Charnockites, bauxite, granite gneiss and quartzite rock
(2) Khondalites, bauxite, granite gneiss, metamorphic gneisses and quartzite rock
(3) Charnockites, khondalites, metamorphic gneisses and quartzite rock
(4) Charnockites, granite gneiss, quartzite rock, khondalites, metamorphic gneisses
Solution: (d)
The Eastern Ghats are made up of charnockites, granite gneiss, khondalites, metamorphic gneisses and quartzite rock formations. The structure of the Eastern Ghats includes thrusts and strike-slip faults all along its range. Limestone, bauxite and iron ore are found in the Eastern Ghats hill ranges.
A tropical deciduous plant special to the Deccan Plateau is
(a) Teak
(b) Shisam
(c) Sandalwood
(d) Sal
Solution: (c)
Teak, Sal, Sandalwood, Shisham and Mahua are some of the tropical deciduous trees that extend from the Shiwalik ranges in the north to the eastern flanks of the Western Ghats in the peninsular India. Among them, sandalwood is native to the Deccan plateau. The total extent of its distribution is approximately 9000 km2 of which 8200 km2 is located in the states of Karnataka and Tamil Nadu. It grows particularly in Mysore and Coimbatore where it prefers hard rock, ferruginous soil—the conditions that produce a richer scent in the tree.
The plateau that has both West and East flowing drainage system is
(a) Malwa
(b) Chota Nagpur
(c) Ranchi
(d) Hazaribagh
Solution: (a)
The Malwa Plateau roughly forms a triangle based on the Vindhyan Hills, bounded by the Aravalli Range in the west and Madhya Bharat Pathar to the north and Bundelkhand to the east. It has two systems of drainage; one towards the Arabian sea (The Narmada, the Tapi and the Mahi), and the other towards the Bay of Bengal (Chambal and Betwa, joining the Yamuna).
Which of the following states having longest coastline in India?
(a) Andhra Pradesh
(b) Maharashtra
(c) Tamil Nadu
(d) Gujarat
Solution: (d)
Gujarat, in the northwestern region of India, has the longest coastline, covering more than 1,600 km. It accounts for 22% of total coastline of the country. Its coast is bordered by the Arabian Sea and the Gulfs of Khambat and Kachchh. Its coastline nurtures a diversity of habitats, especially mangroves, salt marshes, coral reefs, wetlands, and sea grasses.
To conserve coral reefs the Government of India declared one of the following as Marine Park :
(a) Andaman Islands
(b) Gulf of Kutch
(c) Lakshadweep Islands
(d) Gulf of Mannar
Solution: (b)
The government of India, in 1982, declared a core area of 110 km2 in the Gulf of Kutch as Marine National Park for the conservation of coral reefs. It is situated on the southern shore of the Gulf of Kachchh in the Jamnagar District of Gujarat. There are 42 islands on the Jamnagar coast in the Marine National Park, most of them surrounded by reefs. The coral formations of the Gulf of Kutch represent one of the extreme northern limits of corals in the Indian Ocean.
