Chemical Coordination and Integration MCQ practice test for NEET Biology, based on NEET syllabus Unit 5 (Human Physiology) and NCERT Class XI. Each set has 15 NEET-pattern MCQs in 15 minutes. Questions cover endocrine glands and hormones, the hypothalamus, pituitary, pineal, thyroid, parathyroid, thymus, adrenal, pancreas, testis and ovary, hormones of the heart, kidney and gastrointestinal tract, the mechanism of hormone action (membrane-bound and intracellular receptors, second messengers), and hypo- and hyperactivity disorders such as dwarfism, gigantism, acromegaly, cretinism, goitre, exophthalmic goitre, diabetes mellitus, diabetes insipidus and Addison's disease. Previous-year NEET questions are mixed with new questions.