Answer: Option A. -> 1 and 3
Answer: (a)
India is one of the richest countries in the world in terms of biodiversity.
This natural variation in life is also reflected in the demography of the land. Aravali hills are not the biodiversity hot spot.

Answer: Option C. -> Mumbai
Answer: (c)
The city of Mumbai occupies a peninsular site on Bombay Island, a landmass originally composed of seven islets lying off the Konkan coast of western India.

Answer: Option D. -> Chambal valley
Answer: (d)
Badlands are an area of severe erosion, usually found in semiarid climates and characterized by countless gullies, steep ridges, and sparse vegetation. Badland topography is formed on poorly cemented sediments that have few deep-rooted plants because short, heavy showers sweep away surface soil and small plants.
Depressions gradually deepen into gullies. Badland topography is a characteristic feature of the Chambal valley, whereas Kankar has extensively developed in the older alluvium.

Answer: Option D. -> Rewa
Answer: (d)

Answer: Option B. -> 12 nautical miles from the coast
Answer: (b)

Answer: Option D. -> Dhanushkodi
Answer: (d)

Answer: Option B. -> Himalayas
Answer: (b)The Himalayas are known to be young fold mountains. They are considered young because they have been formed relatively recently in the earth’s history, compared to older mountains such as the Aravalis.

Answer: Option A. -> +5½ hours
Answer: (a)

Answer: Option A. -> Uttarakhand
Answer: (a)

Answer: Option B. -> Both 1 and 2
Answer: (b)
Land heats and cools more rapidly than the sea. During the day the land gets heated and the air over the land being hotter and lighter than that over the sea, a low-pressure area is created over the land.
The hot air rises and cool air from the sea reach the land, which is referred to as a sea breeze. At night the land rapidly loses its heat faster than the sea. The air over the sea is, therefore, warmer and lighter than over the land and a breeze blows but from the land towards the sea.