(English Medium) ICSE Class 10 - CISCE Question Bank Solutions

Differentiate between the Rods and Cones of Retina (Type of pigment) 

The ear ossicle which is attached to the tympanum.

State the main function of the Suspensory ligament of the eye 

The exact location of the Yellow spot

Differentiate between Near vision and Distant vision (shape of the eye lens)

Give scientific reasons: We cannot distinguish colours in moonlight.

Give technical terms for The nerve which transmits impulses from the ear to the brain

Perilymph or endolymph (Which one surrounds the organ of Corti ?)

Sclerotic layer or choroid layer.(Which one forms the Iris ?)

Give biological explanations for We should not put sharp objects into our ears.

Which part of our ear is shaped like a snail shell?

The three parts of human ear contributing in hearing are-

Name the following:

The part which equalises the air pressure in the middle and external ear.

Name the following:

The ear ossicle attached to the tympanum.

Name the following:

The tube which connects the cavity of the middle ear with the throat.

Name the following:

The nerves which transmit impulse from ear to the brain.

Note the relationship between the first two words and suggest the suitable word for the fourth place.

sound : ear drum :: Dynamic balance : ……

Differentiate between members of the following pair with reference to what is asked in bracket.

Semi-circular canal and cochlea (Senses perceived)

Differentiate between members of the following pair with reference to what is asked in bracket.

Dynamic balance and static balance (Definition)

State whether the following statements are true (T) or false (F). If false, correct them by changing any one single word in each.

Deafness is caused due to rupturing of the pinna.