The branch of crop science which deals with the study of insect pests is 

Horse racing and polo are events where horses are used for

The construction of rural feeder roads solves the following access problems in agriculture except

The diagram above illustrates a farm tool. Use it to answer this question.
 

The illustrated farm tool is used for

The diagram below illustrates a farm tool. Use it to answer this question.

The farm implement that could perform a similar function as the illustrated tool is