(English Medium) ICSE Class 10 - CISCE Important Questions for Biology

Mention the exact location of the Semi-circular canals

Mention the exact location of the Eustachian tube

find odd one from following: Malleus, iris, Stapes, Incus.

State the exact location of the Ciliary body

Given below is a diagram depicting a defect of the human eye, study the same and then answer the questions that follow:

(i) Name the defect shown in the diagram.
(ii) What are the two possible that cause this defect?
(iii) Name the type of lens used to correct this defect.
(iv) With the help of a diagram show how the defect shown above is rectified using a suitable lens.

Given in the box below are a set of 14 biological terms. Of these, 12 can be paired into 6 matching pairs. Out of the six pairs, one has been done for you as an example. 
Example : endosmosis - Turgid cell.
Identify the remaining five matching pairs :

(i) Draw a well labelled diagram of the membranous labyrinth found in the inner ear.
(ii) Based on the diagram drawn above in (i) give a suitable term for each of the following descriptions :
1. The sensory cells that helps in hearing.
2. The part that is responsible for static balance of the body.
3. The membrane covered opening that connects the middle ear to the inner ear.
4. The fluid present in the middle chamber of cochlea.
5. The structure that maintains dynamic equilibrium of the body.

Briefly explain the following terms: Power of accommodation

State the exact location of the Organ of Corti

fill in the blanks with suitable functions: Ciliary body and __________.

A fluid that occupies the larger cavity of the eye ball behind the lens is
___________.

the biological/technical terms for a thin membrane covering the entire front part of the eye.

the biological/technical terms for the lens of eye losing flexibility resulting in a kind of long-sightedness in middle aged people.

What is the function of ear ossicles?

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.