Incorrect!

You wish to turn right ahead. Why should you take up the correct position in good time?

To allow other drivers to pull out in front of you
To give a better view into the road that you're joining
You selected this answer
To help other road users know what you intend to do
Correct answer
To allow drivers to pass you on the right

DVSA theory test explanation

If you wish to turn right into a side road, take up your position in good time. Move to the centre of the road when it's safe to do so. This will allow vehicles to pass you on the left. Early planning will show other traffic what you intend to do.