Advertisements
Advertisements
प्रश्न
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.
Advertisements
उत्तर
(i) Myopia
(ii) Two possible reasons are
- Eye ball is lengthened from front to back.
- Lens is too curved.
(iii) Concave lens
(iv)
APPEARS IN
संबंधित प्रश्न
Explain how the human ear works.
Given below is a representation of a kind of pollution. Study the same and answer the questions that follow
(i) Name the kind of pollution.
(ii) List any three common sources of this pollution.
(iii) Mention three harmful effects of this pollution on human health.
(iv) Explain the term ‘Pollutant’.
(v) Name two soil pollutants
State the exact location of the Organ of Corti
The three parts of human ear contributing in hearing are-
Differentiate between members of the following pair with reference to what is asked in bracket.
Dynamic balance and static balance (Definition)
Where is the Semicircular canals located? Briefly mention its function.
Given below is the diagram of a part of the human ear. Study the same and answer the questions that follow:
 |
Give the collective biological term for Malleus, locus and Stapes.
Give the main function of the following:
Cochlea
State the Location:
Semicircular canals
Select the option with incorrect identification:
