Match the Following: Myopia Hypermetropia Converging Power of Eye Lens Becomes Low Converging Power of Eye Lens Remains the Same Converging Power of Eye Lens Becomes High - Science and Technology 1

Advertisements
Advertisements

Match the following:

Column I Column II
(i) Myopia (a) Converging power of eye lens becomes low
(ii) Hypermetropia (b) Converging power of eye lens remains the same
  (c) Converging power of eye lens becomes high
Advertisements

Solution

Column I Column II
(i) Myopia (c) Converging power of the eye lens becomes high
(ii) Hypermetropia (a) Converging power of the eye lens becomes low
  Is there an error in this question or solution?

APPEARS IN

RELATED QUESTIONS

Write the function of the following part of the human eye:- iris


Write the function of the following part of the human eye: crystalline lens


Compare the following: Choroid and retina


Draw labelled diagrams of the following: Eye


Answer briefly:

How do you perceive the colour of an object?


How does the eye regulate the amount of light that falls on the retina?


How does the eye regulate the amount of light that falls on the retina?


Explain the following:

Mechanism of generation of light-induced impulse in the retina.


Differentiate between: Rods and cones


The region of the vertebrate eye, where the optic nerve passes out of the retina, is called the

(a) fovea

(b) iris

(c) blind spot

(d) optic chaisma


Distinguish between: aqueous humor and vitreous humor


Distinguish between: blind spot and yellow spot


Which. of the following has normal vision?

(a) Xc Xc
(b) Xc Y
(c) XC Xc
(d) Xc Yc


Myopia is an example of ______.


Fill in the blanks in the following.

The size of the pupil becomes ________ when you see in dim light.


Fill in the blanks in the following.

Night birds have _________ cones than rods in their eyes.

 


Draw a labelled sketch of the human eye.


With the help of ciliary muscles the human eye can change its curvature and thus alter the focal length of its lens. State the changes that occur in the curvature and focal length of the eye lens while viewing (a) a distance object, (b) nearby objects.


Describe the anatomy of the human eye.


Draw a neat and labelled diagram of the structure of the human eye


What is the:   

far point of a normal human eye?  


 How does this affect the amount of light entering the eye?


Describe and explain, how a normal eye can see objects lying at various distances clearly.  


The term " accommodation" as applied to the eye, refers to its ability to:
(a) control the light intensity falling on the retina
(b) erect the inverted image formed on the retina
(c) vary the focal length of the lens
(d) vary the distance between the lens and retina


Why does the eye-lens not have to do all the work of converging incoming light rays?


Out of animals of prey and predators, which have their eyes: 

 at the front of their head?


Name the following:

The photoreceptors found in the retina of the eye.


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

yellow spot of the retina is the region of colour vision


Given below is a set of five parts. Rewrite them in correct sequence.
 Conjunctiva, retina, cornea, optic nerve, lens


Mention the characteristics of the image that falls on the retina of the eye.


Give scientific reason:
One can sense colours only in bright light.


What is the function of iris and the muscles connected to the lens in human eye?


 Correct and rewrite the statements by changing the biological term that is underlined for the statement: 
The part of the eye which can be donated from a clinically dead person is the Retina. 


State the main functions of the following: 
 Coronary Artery  


State the main functions of the following:
Seminal Vesicles  


Name the following:
Short sightedness.


Name the respective organs in which the following are located and mention the main function of each:
(i) Iris
(ii) Semicircular canals


Give the main function of the following:
Fovea centralis    


Give the main function of the following:
Retina


Sketch and label V.S. of a human eye.


What happens to the image distance in the normal human eye when we decrease the distance of an object, say 10 m to 1 m? Justify your answer. 


What is a Lachrymal gland?


Differentiate between:

Yellow spot and Blind spot.


Name the following:
The type of lens used for correcting myopia.


Give Technical Term:
Name the part of the retina on which an object is focused for the clearest vision.


State the Function:
Iris


Long answer question

Draw the neat labelled diagram of the Sectional view of the human eye.


For the normal human eye, the near point is at ___________ cm.


A small hole of changing diameter at the centre of Iris is called _______.


For a normal human eye the near point is at _______.


Write the name.

The part of human eye that transmits electrical signals to the brain.


Write the name.

The ability of lens to adjust the focal length as per need is


Write the name.

The fleshy screen behind cornea.


Write the name.

The screen with light sensitive cells in human eye.


The image of the object in the human eye is formed on the cross screen.


The image of an object at an infinite distance is obtained in a real and erect form through a convex magnifying glass.


For a healthy human eye, the distant point is infinite distance.


Vision defect that increases distance between the lens of the eye and retina of the eye is termed as myopia.


Write an Explanation.

Farthest distance of distinct vision


Write an Explanation.

Power of accommodation


Write scientific reason.

The movie cannot be enjoyed if seat of a viewer is too close to the screen in the cinema.


The following figure show the change in the shape of the lens while seeing distant and nearby objects. Complete the figures by correctly labelling the diagram.


The following figure show the change in the shape of the lens while seeing distant and nearby objects. Complete the figures by correctly labelling the diagram.


Write the function of the human eye and label parts of the figure given below.


______ is the structural and functional unit of living organisms.


The larynx has fold of tissue which vibrate with the passage of air to produce sound.


Draw the struture of human eye and label its parts.


In a myopic eye, the image of the object is formed


A tiny mirror M is fixed on a piece of cardboard placed on a table. The cardboard is illuminated by light from a bulb. The position of eye with respect to position of bulb is shown in the figure as A, B, C and D. In which position mirror will be visible?

(A) (B)  (C) (D)

Which of the following statements is correct regarding rods and cones in the human eye?


In the figure of the human eye, the cornea is represented by the letter


Name the part of the eye which gives colour to the eyes.


Eyes of the nocturnal birds have large cornea and a large pupil. How does this structure help them?


What kind of lens is there in our eyes? Where does it form the image of an object?


Which part of the eye gets affected if someone is suffering from cataract? How is it treated?


______ is a transparent layer.


______ of the eye is comparable to the film of a camera.


The transparent membrane that keeps the eye moist is ______.


Match the following

1. Conjunctiva a. Coloured part of eye
2. Cornea b. Photosensitive layer
3. Iris c. Refraction
4. Retina d. Protection

What is ‘white of the eye’?


Describe the parts in the external structure of the eye.


Which one of the following statements is NOT correct? 


Select the option with incorrect identification:


Which cells of the retina enable us to see coloured objects around us?


The innermost layer of human eye is ______.


Match the following:

Column - I Column - II
1. Retina a) Path way of light
2. Pupil b) Far point comes closer
3. Ciliary muscles c) near point moves away
4. Myopia d) Screen of the eye
5. Hypermetropia e) Power of accommodation

Match the following:

Column - I Column - II
1. Retina a. Path way of light
2. Pupil b. Far point comes closer
3. Ciliary muscles c. near point moves away
4. Myopia d. Screen of the eye
5. Hypermetropia e. Power of accommodation

Match the following:

Column - I Column - II
1

Retina 

a Pathway of light
2 Pupil b

Far point comes closer

3 Ciliary muscles c

near point moves away

4 Myopia d Screen of the eye
5 Hypermetropia f Power of accommodation

With reference to human eye, answer the following question.

What is aqueous humor?


With reference to human eye, answer the following question.

What is blind spot?


With neat, labeled diagram describe the structure of retina of eye.


Vitreous humour is present between ______.


Match the following:

Column - I Column - II
1. Retina a. Pathway of light
2. Pupil b. Far point comes closer
3. Ciliary muscles c. near point moves away
4. Myopia d. Screen of the eye
5. Hypermetropia f. Power of accommodation

Match the following:

  Column - I   Column - II
1 Retina a  pathway of light
2 Pupil b

far point comes closer

3 Ciliary muscles c

near point moves away

4 Myopia d screen of the eye
5 Hypermetropia e power of accommodation

Column I Column II
1 Retina a Path way of light
2 Pupil b Far point comes closer
3 Ciliary muscles c near point moves away
4 Myopia d Screen of the eye
5 Hypermetropia e Power of accomodation

Match the following:

Column - I Column - II
1. Retina a. Path way of light
2. Pupil b. Far point comes closer
3. Ciliary muscles c. near point moves away
4. Myopia d. Screen of the eye
5. Hypermetropia e. Power of accommodation

Match the following:

Column - I Column - II
1. Retina a. Path way of light
2. Pupil b. Far point comes closer
3. Ciliary muscles c. near point moves away
4. Myopia d. Screen of the eye
5. Hypermetropia e. Power of accommodation

Share
Notifications



      Forgot password?
Use app×