What is the Exams pattern of AIPMT (NOW NEET) 2018?

AIPMT examination is of 3 sections with 180 questions in total.
The duration is of 3 hours.
The exam is a paper-based examination
The questions are objective type.
There is 1 mark negative marking.
Biology - Ecology, Biotechnology, Anatomy of Plants, cells, Microbes in human welfare, Plants Physiology.
Chemistry - Major questions are asked from organic chemistry, Inorganic questions are directly asked from Ncert Books. Physical chemistry is less.
Physics - Heart & Thermodynamics, Optics, Semi-conductors, current Electricity & Mechanics.