Q. Which districts in Uttar Pradesh had the highest and lowest sex ratio as per Census 2011?
Answer: Jaunpur and Gautam Buddh Nagar
Notes: According to Census 2011, Jaunpur recorded the highest sex ratio in Uttar Pradesh at 1024 females per 1000 males, surpassing the state average. Gautam Buddh Nagar had the lowest sex ratio at 851, largely due to male-dominated urban migration. Uttar Pradesh's overall sex ratio improved from 898 in 2001 to 912 in 2011 but remained below the national average of 943 females per 1000 males.