Wheat, Barley, Rice

The synonym of Lock, Shut and Fasten is Block.

All the cities given in the question are state capitals similarly Shimla is also a capital.

Apple, Grape and Orange all these are fruits.

As Arc is a part of Circle similarly segment is a part of line.

As River joints to Ocean similarly Lane joints to Road.

As all terms given in the question are medical terms and Hematology is also medical term.

All these are planets.

As Lungs, Liver and Kidney are internal part of the body, in the same way 'heart' is also an internal organ.

These are all the languages of computer.

All are the parts of tree.