The correct answer is A. 893.
The sex ratio in Bihar state as per the Census of India, 2011 is 893 females per 1000 males. This means that for every 1000 males in Bihar, there are 893 females. This is lower than the national average of 940 females per 1000 males.
There are a number of factors that contribute to the low sex ratio in Bihar. One factor is the practice of female infanticide, which is the killing of female babies. Another factor is the preference for sons over daughters, which can lead to neglect and abuse of girls. Additionally, poverty and lack of education can also contribute to the low sex ratio.
The low sex ratio in Bihar has a number of negative consequences. It can lead to a shortage of women in the workforce, which can impact economic growth. It can also lead to social problems, such as violence against women and trafficking. Additionally, it can have a negative impact on the mental and physical health of women.
There are a number of things that can be done to address the low sex ratio in Bihar. One is to raise awareness of the issue and the negative consequences it has. Another is to strengthen laws against female infanticide and other forms of gender-based violence. Additionally, it is important to improve access to education and healthcare for girls and women.