The correct answer is: d) All of the above.
The Department of Agriculture in Mizoram is responsible for providing extension services to farmers, promoting agricultural research, and implementing agricultural schemes.
Extension services are the activities that are carried out by the Department of Agriculture to help farmers improve their agricultural practices. These activities include providing information on new agricultural technologies, training farmers on how to use these technologies, and providing support services such as credit and marketing assistance.
Agricultural research is the process of developing new agricultural technologies. The Department of Agriculture conducts agricultural research in order to develop new crops, livestock breeds, and agricultural practices that are more productive and sustainable.
Agricultural schemes are the programs that are implemented by the Department of Agriculture to help farmers improve their livelihoods. These programs include providing subsidies for agricultural inputs, providing credit to farmers, and providing marketing assistance to farmers.