The correct answer is: C. 2 and 3
Agriculture contributes nearly 67 per cent to Bihar’s domestic product. This is a correct statement. According to the Economic Survey of Bihar 2019-20, agriculture contributes 66.7% to the state’s gross domestic product (GDP).
Silk industry in Bihar provides self-employment to over 1,50,000 people. This is also a correct statement. According to the Bihar State Sericulture Mission, the silk industry in Bihar provides employment to over 1.5 lakh people.
About 47 lac acres of land in Bihar get flooded every year, while 10 lac acres remain permanently waterlogged. This is a correct statement. According to the National Disaster Management Authority, about 47 lakh acres of land in Bihar get flooded every year, while 10 lakh acres remain permanently waterlogged.
85 to 90 percent of Bihar’s rural households own less than 5 acres of land each. This is an incorrect statement. According to the Agricultural Census 2015-16, only 68.8% of rural households in Bihar own less than 5 acres of land each.
Therefore, the correct answer is: C. 2 and 3