Identify the figure of speech used in the following poetic line :

And all day the iron wheels are droning

Choose the correct name of a Messiaen from the options 

Messiaen - a child Prodigy in Music

What is the historical importance of September 11, 2001

"Success does not mean the absence of failures"

Who said this 

Choose the correct answer 

In which year, Kalpana Chawla's path to the Milky way was paved

"Appearances can be deceptive 

And to the superficial gaze

The outside looks dull and grey

Plain looking in many ways".

The Rhyme Scheme used in the above given lines is