MCQs on Human Body – Part 2

1. How many types of muscles are there in the human body?
   1. Two
   2. Three
   3. Four
   4. Five
2. Which muscles are attached to the skeleton?
   1. Cardiac muscles
   2. Smooth muscles
   3. Voluntary muscles
   4. Involuntary muscles
3. Where are cardiac muscles found?
   1. In the brain
   2. In the heart
   3. In the stomach
   4. In the lungs
4. What type of muscle is found in the digestive system?
   1. Cardiac muscle
   2. Skeletal muscle
   3. Smooth muscle
   4. Voluntary muscle
5. What is the main function of the nervous system?
   1. To support the body
   2. To protect the organs
   3. To control all actions and body functions
   4. To produce blood cells
6. Which organ is the most delicate and is protected by the skull?
   1. Heart
   2. Brain
   3. Liver
   4. Lungs
7. What is the main function of sensory neurons?
   1. To carry messages from the brain to muscles
   2. To carry messages from sense organs to the brain or spinal cord
   3. To control involuntary actions
   4. To make blood cells
8. Which part of the brain controls the action of muscles and maintains coordination?
   1. Cerebrum
   2. Cerebellum
   3. Medulla oblongata
   4. Spinal cord
9. What is the function of the spinal cord?
   1. To produce blood cells
   2. To carry messages between the brain and the rest of the body
   3. To support the body
   4. To control digestion
10. Which type of nerve carries messages from the brain to muscles or glands?
    1. Sensory nerves
    2. Motor nerves
    3. Mixed nerves
    4. Reflex nerves
11. What is the function of the cerebrum?
    1. To control involuntary actions
    2. To maintain balance
    3. To help in thinking, learning, and remembering
    4. To protect the brain
12. How many types of nerves are there in the human body?
    1. One
    2. Two
    3. Three
    4. Four
13. What connects the brain to the spinal cord?
    1. Cerebrum
    2. Cerebellum
    3. Medulla oblongata
    4. Spinal nerves
14. What is the main function of the medulla oblongata?
    1. To control voluntary actions
    2. To control involuntary actions
    3. To produce blood cells
    4. To protect the brain
15. Which organ is known as the organ of vision?
    1. Ear
    2. Eye
    3. Nose
    4. Tongue
16. How many layers does the eye have?
    1. One
    2. Two
    3. Three
    4. Four
17. What is the colored part of the eye called?
    1. Sclera
    2. Cornea
    3. Iris
    4. Retina
18. What is the function of the retina?
    1. To produce tears
    2. To control the size of the pupil
    3. To receive light and send images to the brain
    4. To protect the eye
19. What part of the ear is responsible for hearing?
    1. External ear
    2. Middle ear
    3. Internal ear
    4. All of the above
20. How many parts does the ear have?
    1. One
    2. Two
    3. Three
    4. Four
21. What is the function of the auditory nerve?
    1. To produce sound waves
    2. To carry sound vibrations to the brain
    3. To protect the ear
    4. To control balance
22. Which organ is responsible for the sense of smell?
    1. Ear
    2. Eye
    3. Nose
    4. Tongue
23. What part of the body contains taste buds?
    1. Ear
    2. Eye
    3. Nose
    4. Tongue
24. What is the function of taste buds?
    1. To protect the tongue
    2. To help in chewing food
    3. To detect different tastes
    4. To produce saliva
25. Which sense organ helps us feel touch, heat, pain, and pressure?
    1. Ear
    2. Eye
    3. Skin
    4. Nose
26. How many sense organs are there in the human body?
    1. Three
    2. Four
    3. Five
    4. Six
27. What is the function of the sclera in the eye?
    1. To produce tears
    2. To control the size of the pupil
    3. To protect the eye
    4. To focus light
28. Which part of the eye helps in focusing light to form an image?
    1. Sclera
    2. Cornea
    3. Iris
    4. Lens
29. What is the main function of tears?
    1. To produce light
    2. To control the size of the pupil
    3. To protect the eye by washing away bacteria and dust
    4. To help in seeing
30. What is the role of the middle ear?
    1. To produce sound waves
    2. To carry sound vibrations to the brain
    3. To control balance
    4. To transmit sound vibrations from the eardrum to the inner ear
31. What connects the nose to the brain for the sense of smell?
    1. Auditory nerve
    2. Optic nerve
    3. Olfactory nerve
    4. Sensory nerve
32. Which part of the tongue detects sweet taste?
    1. Front
    2. Back
    3. Sides
    4. Middle
33. What is the role of the sweat glands in the skin?
    1. To produce tears
    2. To protect the skin
    3. To help in the sensation of touch
    4. To help keep the body cool
34. What is the function of the cornea?
    1. To protect the eye
    2. To control the size of the pupil
    3. To help focus light onto the retina
    4. To produce tears
35. Which sense organ helps in maintaining balance?
    1. Ear
    2. Eye
    3. Nose
    4. Skin
36. What is the role of the optic nerve?
    1. To carry sound vibrations to the brain
    2. To carry visual information from the eye to the brain
    3. To control balance
    4. To protect the eye
37. What is the function of the hair inside the nose?
    1. To detect different smells
    2. To filter unwanted particles from the air
    3. To help in breathing
    4. To connect the nose to the brain
38. Which organ is known as the organ of hearing?
    1. Eye
    2. Nose
    3. Ear
    4. Tongue
39. How does the sense of smell help us with taste?
    1. By producing saliva
    2. By detecting different chemicals in food
    3. By sending signals to the taste buds
    4. By connecting to the olfactory nerve which links smell and taste
40. What is the function of the taste buds on the tongue?
    1. To produce saliva
    2. To detect different tastes
    3. To help in chewing food
    4. To protect the tongue
41. What is the main function of the ear pinna?
    1. To produce sound waves
    2. To protect the ear
    3. To collect and direct sound waves into the ear
    4. To maintain balance
42. Which sense organ is responsible for detecting pain?
    1. Ear
    2. Eye
    3. Nose
    4. Skin