As you want I am here providing you exam pattern of the GRE Exam.
GRE General Test is measures a candidate’s verbal, quantitative, critical thinking and analytical writing skills.
GRE Subject Test measures a candidate’s knowledge in specific fields.
GRE General Test pattern: 
The three sections of the GRE Test pattern are discussed below:
Verbal Reasoning
This section tests your comfort level with text and grammar. The Verbal Reasoning section of the GRE Test Pattern contains three types of questions:
a. Reading Comprehension
b. Text Completion
c. Sentence Equivalence
Quantitative Reasoning
The Quantitative Reasoning section measures your ability to understand quantitative information and apply mathematical skills and elementary mathematical concepts of arithmetic, algebra, geometry and data interpretation.
The Quantitative Reasoning section of the GRE Test contains four types of questions:
a. Quantitative Comparison Questions
b. Multiple-choice Questions — Select One Answer Choice
c. Multiple-choice Questions — Select One or More Answer Choices
d. Numeric Entry Questions.
Analytical Writing
The Analytical Writing section measures your ability to articulate complex ideas clearly and effectively.
The Analytical Writing section of the GRE Test consists of two separately timed analytical writing tasks:
a. Analyse an Issue task: This task assesses your ability to think critically about a topic and express your thoughts in writing.
b. Analyse an Argument task: This task assesses your ability to understand, analyse and evaluate arguments and convey your evaluation in writing.
GRE Subject Test pattern
Biochemistry, Cell and Molecular Biology Test:
This test consists of 170 multiple-choice questions, which are based on descriptions of laboratory situations, diagrams or experimental results. The content of the test is organized into three major areas: biochemistry, cell biology, and molecular biology and genetics.
Biology Test:
This test consists of 194 five-choice questions, based on descriptions of laboratory and field situations, diagrams or experimental results. The content is organised into three areas: cellular and molecular biology, organismal biology and ecology and evolution. Equal weight is given to each of these three areas. In addition to the total score, a subscore in each of these subfield areas is reported.
Chemistry Test:
The test consists of 130 multiple-choice questions. A periodic table is printed in the test booklet as well as a table of information presenting various physical constants and a few conversion factors among SI units.
Literature in English Test:
This test consists of 230 questions on poetry, drama, biography, the essay, the short story, the novel, criticism, literary theory and the history of the language. Some questions are based on short works reprinted in their entirety, others on excerpts from longer works. The test draws on literature in English from the British Isles, the United States and other parts of the world.
Mathematics Test:
This test consists of 66 multiple-choice questions drawn from courses commonly offered at the undergraduate level. Approximately 50 percent of the questions involve calculus and its applications. About 25 percent of the questions in the test are in elementary algebra, linear algebra, abstract.
Physics Test:
This test consists of 100 five-choice questions, based on diagrams, graphs, experimental data and descriptions of physical situations. The aim of the test is to determine the extent of the examinees' grasp of fundamental principles and their ability to apply these principles in the solution of problems.
Psychology Test:
The test consists of approximately 205 multiple-choice questions. Each question has five options from which the examinee has to select the one option that is correct or best answer to the question. Stimulus materials, such as a description of an experiment or a graph, may serve as the basis for several questions.
