General Science Class 6 MCQS

The black dot at the center of the eye is called?

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

Which one of the following focusing mechanisms allows all light rays entering the eye to meet at one single point?

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

The screen of the eye is called?

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

The nerve that transfers the visual information from the retina to the brain is called?

1. Olfactory Nerve
2. Optic Nerve
3. Vagus Nerve
4. Trigeminal Nerve

Which is not part of the human eye?

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

Which among the following transfers sounds from outer ear to the middle ear?

1. Ear Drum
2. Cochlea
3. Ear Canal
4. Auditory Nerve

It receives sound vibration and passes to the eardrum?

1. Outer Ear
2. Middle Ear
3. Inner Ear
4. None

Which part of middle ear convert the sound waves into mechanical vibrations?

1. Eardrum
2. Cochlea
3. Ossicles
4. None

Which nerve carries sound information from the cochlea of the inner ear directly to the brain?

1. Trigeminal Nerve
2. Vestibular Nerve
3. Cochlear Nerve
4. None

Which part of the brain receives signals from odor receptors?

1. Cerebrum
2. Cerebellum
3. Hippocampus
4. Olfactory Bulb