Q150. Which of the following islands is the southernmost point of India?
[RRB Junior Engineer CBT-I (20 February 2026, Shift 3)]
(A) Indira Point
(B) Kavaratti
(C) Car Nicobar
(D) Little Andaman
Answer: (A) Indira Point
Explanation: Indira Point is at the southern tip of Great Nicobar Island and is the southernmost point of India. Kanyakumari is the southernmost point on the mainland. Although some versions loosely call the choices islands, Indira Point itself is a location, not an island.
Q149. What is the standard meridian of India, used to determine Indian Standard Time (IST)?
[Delhi Police Constable Executive (6 January 2026, Shift 2)]
(A) 82°30′ E
(B) 80°30′ E
(C) 78°30′ E
(D) 84°30′ E
Answer: (A) 82°30′ E
Explanation: Indian Standard Time is calculated with reference to the meridian of 82°30′ east longitude, passing near Mirzapur in Uttar Pradesh. Being 82.5 degrees east of Greenwich makes IST five hours and thirty minutes ahead of UTC.
Q148. The southernmost point of the Indian Union, “Indira Point”, is located in?
[Delhi Police Constable Executive (30 December 2025)]
(A) Tamil Nadu
(B) Lakshadweep Islands
(C) Great Nicobar Island
(D) Little Andaman
Answer: (C) Great Nicobar Island
Explanation: Indira Point is located on Great Nicobar Island, at the far southern edge of the Andaman and Nicobar Islands. It should not be confused with Kanyakumari, which marks the southern extremity of mainland India rather than the entire Union.
Q147. India shares its longest land boundary with Bangladesh, which is approximately _____.
[OSSSC Combined Recruitment Examination (13 November 2025)]
(A) 4,096.7 km
(B) 1,546.9 km
(C) 2,345.8 km
(D) 2,989.7 km
Answer: (A) 4,096.7 km
Explanation: The India–Bangladesh land frontier is approximately 4,096.7 kilometres long, making it India’s longest international land boundary. It runs through eastern and northeastern India. Its length reflects the irregular shape of the border around West Bengal and neighbouring states.
Q146. Which of the following Indian states shares a border with Bhutan?
[OSSSC Combined Recruitment Examination (9 November 2025)]
(A) Assam, Manipur, Mizoram and Nagaland
(B) Punjab, Rajasthan, Gujarat and Ladakh
(C) West Bengal, Bihar, Uttar Pradesh and Uttarakhand
(D) Assam, West Bengal, Sikkim and Arunachal Pradesh
Answer: (D) Assam, West Bengal, Sikkim and Arunachal Pradesh
Explanation: Bhutan shares land boundaries with four Indian states: Sikkim, West Bengal, Assam and Arunachal Pradesh. Other choices contain states far from the eastern Himalayan country. Remembering Bhutan’s position between India and China helps identify the bordering states.
Q145. The Tropic of Cancer is going through which states of India?
[MPSC Rajyaseva Prelims (9 November 2025)]
(A) Gujarat, Madhya Pradesh, Tripura and Mizoram
(B) Gujarat, Maharashtra, West Bengal and Tripura
(C) Maharashtra, Bihar, West Bengal and Mizoram
(D) Gujarat, Bihar, Tripura and West Bengal
Answer: (A) Gujarat, Madhya Pradesh, Tripura and Mizoram
Explanation: Gujarat, Madhya Pradesh, Tripura and Mizoram all lie on the Tropic of Cancer. The latitude also crosses Rajasthan, Chhattisgarh, Jharkhand and West Bengal. Maharashtra and Bihar are absent from its route, ruling out the other combinations.
Q144. Which of the following Indian states share an international boundary with Bangladesh?
[OSSSC Combined Recruitment Examination (24 October 2025)]
(A) Bihar, Sikkim, West Bengal and Jharkhand
(B) Gujarat, Rajasthan, Punjab and Himachal Pradesh
(C) West Bengal, Assam, Meghalaya, Tripura and Mizoram
(D) Manipur, Nagaland, Mizoram and Arunachal Pradesh
Answer: (C) West Bengal, Assam, Meghalaya, Tripura and Mizoram
Explanation: Exactly five Indian states adjoin Bangladesh: West Bengal, Assam, Meghalaya, Tripura and Mizoram. The first two groups include states with no Bangladesh frontier; the last includes several states bordering Myanmar rather than Bangladesh.
Q143. State of Assam shares borders with how many other countries and Indian states respectively?
[UPSC NDA General Ability (14 September 2025)]
(A) 2 countries and 6 Indian states
(B) 2 countries and 7 Indian states
(C) 3 countries and 7 Indian states
(D) 3 countries and 6 Indian states
Answer: (B) 2 countries and 7 Indian states
Explanation: Assam touches two foreign countries, Bhutan and Bangladesh. Within India it adjoins Arunachal Pradesh, Nagaland, Manipur, Mizoram, Tripura, Meghalaya and West Bengal, a total of seven states. Both counts must be correct to select the answer.
Q142. The McMahon Line is the boundary between India and which country?
[RRB NTPC UG CBT-I (2 September 2025)]
(A) Pakistan
(B) Myanmar
(C) Afghanistan
(D) China
Answer: (D) China
Explanation: The McMahon Line arose from the 1914 Simla discussions and is associated with the eastern sector of the India–China boundary. China disputes the alignment. It is not the same as the Radcliffe Line, which separated India and Pakistan in 1947.
Q141. Which of the following pairs of Indian states shares an international border with Bangladesh?
[RRB NTPC UG CBT-I (29 August 2025)]
(A) Manipur and Assam
(B) Sikkim and Manipur
(C) West Bengal and Tripura
(D) Nagaland and Punjab
Answer: (C) West Bengal and Tripura
Explanation: Both West Bengal and Tripura directly touch Bangladesh. The other options include states that do not adjoin Bangladesh. In total, five Indian states share a Bangladesh boundary: West Bengal, Assam, Meghalaya, Tripura and Mizoram.