Online Practice exams Sites

Please find the below sites which has practice online exams  :

http://www.testingexcellence.com/istqb-quiz/istqb-foundation-practice-exam-1/

http://www.proprofs.com/quiz-school/story.php?title=istqb-foundation-level-practice-test-1_1

http://www.patshala.com/istqbtest/istqb_test1.html