English

Mention, If the Following Statement is True Or False Hypermetropia is a Defect of the Eye Caused Due to the Eyeball Elongation - Biology

Advertisements
Advertisements

Question

Mention, if the following statement is True or False
Hypermetropia is a defect of the eye caused due to the eyeball elongation

Options

  • True

  • False

MCQ
True or False

Solution

False
Correct Statement:  Myopia is a defect of the eye caused due to the eyeball elongation

shaalaa.com
  Is there an error in this question or solution?
Chapter 8: The Nervous System and Sense Organs - True & False

APPEARS IN

ICSE Biology [English] Class 10
Chapter 8 The Nervous System and Sense Organs
True & False | Q 12

RELATED QUESTIONS

What is myopia?


A student is unable to see clearly the words written on the black board placed at a distance of approximately 3 m from him. Name the defect of vision the boy is suffering from. State the possible causes of this defect and explain the method of correcting it.


What is the other name for 

 myopia


Name the body part with which the terms myopia and hypermetropia are connected.


A man can read the number of a distant but clearly but he finds difficulty in reading a book.  

What type of spectacle lens should he use to correct the  defect?


What is short-sightedness? State the two causes of short-sightedness (or myopia). With the help of ray diagrams, show:
(i) the eye-defect short-sightedness.
(ii) correction of short-sightedness by using a lens.


Describe the mechanism of focusing the image of a distant object in your eye when you raise your head after reading a book.


Enumerate the common defects of vision, their causes and the possible methods of correcting them.


Name the cells of the retina that are sensitive to colours.

Given below is a diagram depicting a defect of the human eye? Study the same and answer the question that follow:

Give two possible reasons for this defect of the eye in human beings.


A person is unable to see objects distinctly placed within 50 cm from his eyes.

(a) Name the defect of vision the person is suffering from and list its two possible causes.

(b) Draw a ray diagram to show the defect in the above case.

(c) Mention the type of lens used by him for the correction of the defect and calculate its power. Assume that the near point for the normal eye is 25 cm.

(d) Draw a labeled diagram for the correction of the defect in the above case.


In what two whys is a yellow spot different from the blind spot?


Name an old age eye defect. Why is it caused?


Give Reason:

When you enter into a dark room from bright because of sunlight, you can not see things for a few seconds.


Explain the Term: Hypermetropia


Explain the Term: Astigmatism


Name the following:
The defect of the human eye caused due to the uneven surface of the cornea.


Give Technical Term:
The path which responsible for protecting the eye from sweat.


Assertion: Concave mirrors are used as reflectors in torches, vehicle head lights and in search lights.

Reason: When an object is placed beyond the center of curvature of a concave mirror, the image formed is real and inverted.


Have a look at the posture of this girl who is reading a book and answer the questions which follow:

  1. Name the problem she is facing.
  2. What are the two conditions shown in sections A and B of the eye as applicable to her.
  3. What kind of reading glasses does she need?
A B

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×