What is the difference between blind spot and yellow spot? -Biology

What is the difference between blind spot and yellow spot? -Biology
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The junction of optic nerve and retina is insensitive to light and no image is formed here , it is known as ______. a)blind spot b)yellow spot c) fovea d)pupil

Description : The junction of optic nerve and retina is insensitive to light and no image is formed here , it is known as ______. a)blind spot b)yellow spot c) fovea d)pupil

Last Answer : a)blind spot

What is a blind spot ?

Description : What is a blind spot ?

Last Answer : The point at which the retina and the optic nerve meet and where the reflection of the object is not formed is called the blind point. This part does not have any rod cells or cone cells , so it is not light sensitive.

Where is the blind spot located ?

Description : Where is the blind spot located ?

Last Answer : The blind spot is located at the junction of retina and optic nerve.

Do large vehicles have a larger blind spot?

Description : Do large vehicles have a larger blind spot?

Last Answer : They can. Very large vehicles can have very large blindspots.

What causes the blind spot in the visual field?

Description : What causes the blind spot in the visual field?

Last Answer : Some blind spots can be caused by a simple migraine, while others can be caused by glaucoma, macular degeneration, or retinal detachment. A retinal detachment is a disorder in which the retina separates from ... ... See your eye care professional quickly if think you have a blind spot in your vision

A person wears spectators with concave lenses. It means that normally (when not using glasses), the image of distant objects is focused in his eyes – (1) behind the retina (2) in front of the retina (3) on the retina (4) on the blind spot

Description : A person wears spectators with concave lenses. It means that normally (when not using glasses), the image of distant objects is focused in his eyes – (1) behind the retina (2) in front of the retina (3) on the retina (4) on the blind spot

Last Answer : (2) in front of the retina Explanation: A concave lens is used to correct short-sightedness (myopia). In myopia, images are formed in front of the retina, resulting in a blurred image. This ... relatively too long or the refractive powers of the cornea and lens of the eye are relatively too strong.

Give reason: a) When we suddenly enter a cinema hall, we will not be able to see any objects.b) There is no image formation at blind spot.

Description : Give reason: a) When we suddenly enter a cinema hall, we will not be able to see any objects.b) There is no image formation at blind spot.

Last Answer : a) When we suddenly enter a cinema hall, we will not be able to see any objects. Our eyes take some time to adjust to the light in the surroundings. When we are in bright area pupil constricts. ... region where the optic nerve exits the eye ball. There are no sensory cells. Hence no image is formed.

Which one of the following pairs of items correctly belongs to the category of organs mentioned against it? (a) Nephridia of earthworm and Malpighian tubules of cockroach - excretory organs (b) Wings of honeybee and wings of crow - homologous organs (c) Thorn of Bougainvillea and tendrils of Cucurbita - analogous organs (d) Nictitating membrane and blind spot in human eye - vestigial organs

Description : Which one of the following pairs of items correctly belongs to the category of organs mentioned against it? (a) Nephridia of earthworm and Malpighian tubules of cockroach - excretory organs ( ... Cucurbita - analogous organs (d) Nictitating membrane and blind spot in human eye - vestigial organs

Last Answer : (a) Nephridia of earthworm and Malpighian tubules of cockroach - excretory organs

Select the answer with correct matching of the structure, its location and function. Structure Location Function (a) Eustachian Anterior Equalizes air tube part of pressure on internal ear either sides of tympanic membrane (b) Cerebellum Midbrain Controls respiration and gastric secretions (c) Hypothal Forebrain Controls body -amus temperature, urge for eating and drinking (d) Blind spot Near the place Rods and cones where optic are present but nerve leaves inactive here the eye

Description : Select the answer with correct matching of the structure, its location and function. Structure Location Function (a) Eustachian Anterior Equalizes air tube part of pressure on internal ear either sides ... the place Rods and cones where optic are present but nerve leaves inactive here the eye

Last Answer : (c) Hypothal Forebrain Controls body -amus temperature, urge for eating and drinking

Parts A, B, C and D of the human eye are shown in the diagram. Select the option which gives correct identification along with its functions characteristics. (a) C-Aqueous chamber-Reflects the light which does not pass through the lens. (b) D - Choroid - Its anterior part forms ciliary body. (c) A - Retina - Contains photoreceptors, i.e., rods and cones. (d) B - Blind spot-Has only a few rods and cones.

Description : Parts A, B, C and D of the human eye are shown in the diagram. Select the option which gives correct identification along with its functions characteristics. (a) C-Aqueous chamber-Reflects the light which does not ... , i.e., rods and cones. (d) B - Blind spot-Has only a few rods and cones.

Last Answer : (c) A - Retina - Contains photoreceptors, i.e., rods and cones.

All the following associated open angle glaucoma include all the following except: a. Roenne’s nasal step b. Enlarged blind spot c. Generalized depression of isopters d. Loss of central fields e. Tubular vision

Description : All the following associated open angle glaucoma include all the following except: a. Roenne’s nasal step b. Enlarged blind spot c. Generalized depression of isopters d. Loss of central fields e. Tubular vision

Last Answer : ANSWER: D  

A person wears spectates with concave lenses. It means that normally (when not using glasses), the image of distant objects is focussed in his eyes (1) behind the retina (2) in front of the retina (3) on the retina (4) on the blind spot

Description : A person wears spectates with concave lenses. It means that normally (when not using glasses), the image of distant objects is focussed in his eyes (1) behind the retina (2) in front of the retina (3) on the retina (4) on the blind spot

Last Answer : in front of the retina

Blind spot is a point in the zones of protection where

Description : Blind spot is a point in the zones of protection where

Last Answer : Blind spot is a point in the zones of protection where No protection is available.

Persons who are colour-blind cannot distinguish between – (1) yellow and white (2) green and blue (3) red and green (4) black and yellow

Description : Persons who are colour-blind cannot distinguish between – (1) yellow and white (2) green and blue (3) red and green (4) black and yellow

Last Answer : (3) red and green Explanation: A person with colour-blindness has trouble seeing red, green, blue, or mixtures of these colours. The most common type is redgreen colours - blindness, where red and green are as the same colour.

hibiscus leaves turning yellow, appears to be dying. Had one last year same spot lasted all summer

Description : hibiscus leaves turning yellow, appears to be dying. Had one last year same spot lasted all summer

Last Answer : Did you amend the soil, adding composed horsemanure and test for ph....needs to be 6.0-8.0 and needs to be feed 2 times a month.......................

what makes my roses leaves turn yellow? they are not diseased with black spot, mildew or rust

Description : what makes my roses leaves turn yellow? they are not diseased with black spot, mildew or rust

Last Answer : One of two reasons. The roses are getting too much water and the soil they are in, sounds like it's not draining. I had that problem in my rose garden. So I dug up all the plants, put ... with harvesting beautiful roses for bouquets. It was alot of work but well worth it. I hope I helped you.

my knockout roses have leaves that are turning yellow with rust brown spots--but not at all like black spot

Description : my knockout roses have leaves that are turning yellow with rust brown spots--but not at all like black spot

Last Answer : Bayer has a good rose spray.

My tomato fruits have small yellow specks on the surface. When the fruit is peeled, those yellow specks form a tough spot that must be cut off before eating the tomatoes. What is wrong?

Description : My tomato fruits have small yellow specks on the surface. When the fruit is peeled, those yellow specks form a tough spot that must be cut off before eating the tomatoes. What is wrong?

Last Answer : A. The yellow speckling is caused by injury from sucking insects such as stinkbugs or leaf-footed bugs. Early control of sucking insects that feed on the fruit is necessary to reduce the problem.

Why in Newton’s rings the center spot is always dark? A. The thickness of the film is zero at center B. The path difference between incident ray and reflected ray is ½wavelength C. The incident ray and reflected ray undergo destructive interference D. All of above

Description : Why in Newton’s rings the center spot is always dark? A. The thickness of the film is zero at center B. The path difference between incident ray and reflected ray is ½wavelength C. The incident ray and reflected ray undergo destructive interference D. All of above

Last Answer : D. All of above