What does this below rebus puzzle mean?

What part of Turkey has the most feathers?

You can find some missing letters in the picture. By placing two particular letters in the spaces, you can form a nine lettered word beginning from one of the corners and going clockwise direction to the middle. Can you find out the letters and the word?

A famous swimmer can swim downstream in a lake in exactly 40 minutes with the lake current.
He can swim upstream in that lake in exactly 60 minutes against the lake current.
The length of the lake is 2 km.

How long he can cover the distance of one side at a still lake with no current?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.

How many bananas can you eat if your stomach is empty?

John is found dead in a bare field. Nobody killed John,
John did not commit suicide.

Inspector Jacob found a bag just a few meters away from John which could save his life. What was in the bag?

A professor thinks of two consecutive numbers between 1 and 10.
'A' knows the 1st number and 'B' knows the second number

A: I do not know your number.
B: Nor do I know your number.
A: Now I know.

What are the four solutions for this?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?