This is a summary fo the writing tasks for different English tests.
EIKEN
State your opinion and give two reasons.
(80–100 words)
GRE
Task 1
Analyze an Issue—Write an essay analyzing an issue statement or statements, following specific task instructions that tell you how to respond to the issue.
Task 2
Analyze an Argument—Write an essay discussing the logical soundness of an author's case by critically examining the line of reasoning and the use of evidence.
(500-600 words)
IELTS
Write an essay, giving and justifying your opinion, discussing the topic, summarizing details, outlining problems, identifying possible solutions and supporting what you write with reasons, arguments and relevant examples from your own knowledge or experience.
(250 words)
TOEFL
State and support your opinion with specific details and examples.
(350–400 words)
TOEIC
State, explain and support your opinion on the topic.
(300+ words)