PHYSIOLOGY OF INDIA
INDIAN PHYSIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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85.5
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86.5
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84.5
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82.5
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Detailed explanation-1: -82.5ºE longitudes determines the Indian Standard Time. The 82½*EAST longitude is considered as the standard meridian of India.
Detailed explanation-2: -The correct answer is option 4 i.e. Uttar Pradesh, Odisha, Andhra Pradesh and Chhatisgarh. Council of Scientific & Industrial Research’s National Physical Laboratory (CSIR-NPL), maintains Indian Standard Time (IST). IST is based on longitude 82.5°, which passes through Mirzapur, near Allahabad in Uttar Pradesh.
Detailed explanation-3: -Indian Standard Time is calculated from the clock tower in Mirzapur nearly exactly on the reference longitude of IST at 82°30’E, within 4 angular minutes. In 1905, the meridian passing east of Allahabad was declared as a standard time zone for British India and was declared as IST in 1947 for the dominion of India.