Livestock rearing in Bihar contributes to:

The correct answer is: d) All of the above

Livestock rearing in Bihar contributes to milk and meat production, income generation, and draught power.

• Milk and meat production: Livestock, such as cows, buffaloes, goats, and sheep, are reared for their milk and meat. Milk is a nutritious food that is consumed by people of all ages. Meat is a source of protein and other nutrients.
• Income generation: Livestock can be sold for cash, which can be used to purchase food, clothing, and other necessities. Livestock can also be used to produce manure, which can be used as fertilizer to improve crop yields.
• Draught power: Bullocks are used as draught animals to pull carts and plows. This helps farmers to cultivate their land and transport their produce.

Livestock rearing is an important part of the rural economy in Bihar. It provides employment and income to millions of people. It also helps to improve food security and nutrition.