NEET MBBS Notes Study PG UG PDF

1. The process of conversion of nitrogen to ammonia is called: a) Nitrification b) Ammonification c) Nitrogen fixation d) Denitrification Solution: c) Nitrogen fixation 2. Which of the following is not a function of the liver? a) Detoxification b) Glycogen storage c) Digestion of lipids d) Regulation of blood sugar level Solution: c) Digestion of lipids 3. The hormone responsible for the regulation of blood calcium levels is: a) Thyroxine b) Parathormone c) Insulin d) Adrenaline Solution: b) Parathormone 4. Which of the following is a vestigial organ in humans? a) Spleen b) Liver c) Pancreas d) Thymus Solution: a) Spleen 5. The phenomenon of 'Turgor Movement' is associated with: a) Phototropism b) Geotropism c) Hydrotropism d) Thigmotropism Solution: a) Phototropism 6. The enzyme pepsin acts on: a) Proteins b) Fats c) Carbohydrates d) Nucleic acids Solution: a) Proteins 7. The gas responsible for the greenhouse effect is: a) Carbon dioxide b) Oxygen c) Nitrogen d) Hydrogen Solution: a) Carbon dioxide 8. Which of the following is not a function of the placenta? a) Nutrient and gas exchange b) Hormone production c) Protection against infections d) Removal of waste products from the fetus Solution: c) Protection against infections 9. The main function of the nephron in the kidney is: a) Filtration of blood b) Production of urine c) Regulation of blood pressure d) All of the above Solution: d) All of the above 10. The process of conversion of glucose to pyruvate is known as: a) Glycolysis b) Krebs cycle c) Fermentation d) Oxidative phosphorylation Solution: a) Glycolysis 11. Which of the following is not a function of the skeletal system? a) Production of blood cells b) Protection of internal organs c) Regulation of body temperature d) Support and movement Solution: c) Regulation of body temperature 12. Which part of the human brain is responsible for coordinating muscle movements and maintaining balance? a) Cerebrum b) Cerebellum c) Medulla oblongata d) Hypothalamus Solution: b) Cerebellum 13. The process by which water moves through a semi-permeable membrane from an area of higher concentration to an area of lower concentration is called: a) Osmosis b) Diffusion c) Active transport d) Endocytosis Solution: a) Osmosis 14. Which of the following is not a component of blood? a) Platelets b) Plasma c) Lymphocytes d) Thromboplastin Solution: d) Thromboplastin 15. The smallest bone in the human body is located in the: a) Ear b) Hand c) Foot d) Nose Solution: a) Ear 16. Which type of cell division results in the formation of gametes? a) Mitosis b) Meiosis c) Binary fission d) Budding Solution: b) Meiosis 17. The hormone responsible for the development and maintenance of secondary sexual characteristics in females is: a) Estrogen b) Progesterone c) Testosterone d) Follicle-stimulating hormone (FSH) Solution: a) Estrogen 18. The process by which green plants manufacture their food is called: a) Photosynthesis b) Respiration c) Transpiration d) Fermentation Solution: a) Photosynthesis 19. The region in the eye where the optic nerve exits is called: a) Fovea centralis b) Blind spot (optic disc) c) Retina d) Lens Solution: b) Blind spot (optic disc) 20. The vitamin responsible for blood clotting is: a) Vitamin A b) Vitamin D c) Vitamin K d) Vitamin E Solution: c) Vitamin K I hope these questions and solutions are helpful for your NEET exam preparation! Let me know if you need more questions or any further assistance.

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