Match List-I (Characteristics of National Highways) with List-II (Numbers of National Highways) and select the correct answer using the given below the lists : List-I List-II (Characteristics of National Highways) (Numbers of National Highways) a. National Highway that passes through Bihar National Highway No. 12 b. National Highway that does not pass through Bihar National Highway No. 87 c. National Highway having maximum length in Bihar National Highway No.2 d. Proposed National Highway not to serve Bihar. National Highway No. 31

The correct answer is A.

a. National Highway that passes through Bihar: National Highway No. 12 passes through Bihar.
b. National Highway that does not pass through Bihar: National Highway No. 87 does not pass through Bihar.
c. National Highway having maximum length in Bihar: National Highway No. 2 has the maximum length in Bihar.
d. Proposed National Highway not to serve Bihar: National Highway No. 31 is a proposed national highway that is not to serve Bihar.

Here is a table showing the details of the national highways mentioned in the question:

| National Highway | Number | Starts from | Ends at | Length in Bihar |
| — | — | — | — | — |
| National Highway No. 12 | 75 | Kanpur, Uttar Pradesh | Barauni, Bihar | 240 km |
| National Highway No. 87 | 87 | Varanasi, Uttar Pradesh | Forbesganj, Bihar | 200 km |
| National Highway No. 2 | 2 | Agra, Uttar Pradesh | Kanyakumari, Tamil Nadu | 2,465 km |
| National Highway No. 31 | Proposed | Varanasi, Uttar Pradesh | Kolkata, West Bengal | 1,000 km |