Find out the "Simple Sentence" from the following :

Combine the sentences into a simple sentence and choose the correct from the options given :

This is a mango from my garden. It is sweet.

Romeo and Juliet was written by 

Find out the author of the autobiography of "My Experiments with Truth"

Fill in the blank choosing from the options given below :

Rowther completed ------------ class in schooling.

Who was nicknamed as "The Plant Doctor"