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

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.

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

Semi-circular canals are concerned with static (positional) balance.

Mention, where in living organism is the following located and state their main function:
Organ of corti

Mention if the following statement is true (T) or false (F) Give reason.

The auditory nerve is purely for perceiving sound

Mention if the following statement is true (T) or false (F) Give reason.

Malleus incus and stapes are collectively called the ear ossicles.

Given below is a set of five parts. Rewrite them in correct sequence.
Cochlea, tympanum, auditory canal, ear ossicles, oval window.

Given below is certain structure. Write against them its functional acivity.

organ of corti and ……………….