NEET Physics: Human Physiology questions with solutions

Q1. Choose the proper food from following, to keep our eyes healthy:

1. Green leafy vegetables
2. Fish
3. orange
4. All of these

Answer: All of these

Green leafy vegetables provide vitamins and antioxidants, fish supplies omega-3 fatty acids, and oranges offer vitamin C. Since all of these help maintain healthy eyes, the best choice is the option that includes every one of them.

Q2. Identify the part "C" from the shown figure of human eye :

1. Retina
2. Cornea
3. Pupil
4. Iris

Answer: Iris

The iris is the pigmented ring of the eye that surrounds the pupil and controls its size. Since part C labels that ring, the correct answer is iris.

Q3. Why do we lose hearing while yawning?

1. Muscles around middle ear contracts
2. Muscles around middle ear expands
3. Muscles around inner ear contracts
4. Muscles around inner ear expands

Answer: Muscles around middle ear contracts

During yawning, muscles in the middle ear contract and momentarily change how the ossicles transmit vibrations. This can make hearing seem muffled until the ear pressure and mechanics return to normal.