People, Development and Environment MCQ - People, Development and Environment Section 2

The summer solstice in the Northern Hemisphere occurs on or around June 21. It is the longest day of the year, when the sun is at its highest point in the sky and directly overhead at the Tropic of Cancer (23.5°N latitude).

• A. March 21
  Incorrect. This is the date of the spring (vernal) equinox.

• B. April 21
  Incorrect. This date has no astronomical significance related to solstices or equinoxes.

• C. May 21
  Incorrect. This is before the actual solstice occurs.

• D. June 21
  Correct. This marks the summer solstice in the Northern Hemisphere.

Answer: B. South Andaman

Port Blair, the capital of the Andaman and Nicobar Islands, is located in South Andaman Island. It serves as the administrative, cultural, and economic center of the union territory and is well known for the historic Cellular Jail and its proximity to several scenic beaches.

• A. North Andaman
  Incorrect. North Andaman is farther from Port Blair.

• B. South Andaman
  Correct. Port Blair is located on the southeastern coast of South Andaman Island.

• C. Middle Andaman
  Incorrect. Middle Andaman lies between North and South Andaman but does not host Port Blair.

• D. Little Andaman
  Incorrect. Little Andaman is much farther south and does not contain the capital city.

Deserts have very low humidity, which means there is insufficient moisture in the air to support the formation of rain. Even if clouds are present, the lack of moisture prevents them from developing into rain-bearing clouds. Additionally, any rain that begins to fall may evaporate before reaching the ground due to the dry conditions.

• A. Maximum air velocity
  Incorrect. High wind speeds can affect cloud movement but do not directly prevent rainfall.

• B. Minimum temperature
  Incorrect. Deserts often have high temperatures; low temperatures are not the limiting factor.

• C. Minimum air velocity
  Incorrect. Wind speed is not the primary reason for lack of rainfall.

• D. Minimum humidity
  Correct. Low atmospheric moisture content is the key reason clouds do not produce rain in deserts.

The Jawahar Tunnel, also known as Banihal Tunnel, is located in the Union Territory of Jammu and Kashmir. It was constructed to connect Srinagar with Jammu and provides all-weather connectivity through the Pir Panjal mountain range.

• A. Himachal Pradesh
  Incorrect. Though the state has several tunnels, Jawahar Tunnel is not located here.

• B. Rajasthan
  Incorrect. Rajasthan is primarily a desert region and does not have such tunnels in mountainous terrain.

• C. West Bengal
  Incorrect. West Bengal has hilly regions, but Jawahar Tunnel is not among its structures.

• D. J & K
  Correct. The tunnel lies in Jammu and Kashmir and plays a vital role in transportation across the region.