What is true about rods?a) Rods are for chromatic vision.b) Rods are for monochromatic vision.c) Mostly present at the fovead) Works best in well-lit environmente) Number of rods in the retina is much less than cones.
Question
What is true about rods?a) Rods are for chromatic vision.b) Rods are for monochromatic vision.c) Mostly present at the fovead) Works best in well-lit environmente) Number of rods in the retina is much less than cones.
Solution
The correct answer is b) Rods are for monochromatic vision.
Rods are a type of photoreceptor cell in the retina of the eye that provides side vision and the ability to see objects in dim light (night vision). They do not detect color, hence they are for monochromatic vision.
The other statements are incorrect because:
a) Rods are not for chromatic vision. Cones are the photoreceptor cells responsible for color vision.
c) Rods are not mostly present at the fovea. The fovea is the part of the retina where cones are densely packed.
d) Rods do not work best in well-lit environments. They work best in low light conditions.
e) The number of rods in the retina is much greater than cones. There are approximately 120 million rods and 6 million cones in the human retina.
Similar Questions
Which statement is wrong?a)Rods present everywhere on the retina except bling spot and foveab)Cones are more sensitive to light than rodsc)Cones present mostly everywhere on the retina except the blind spot, mostly at the fovead)Rods are for monochromatic visione)Cones are dor chromatic vision
Which of the following statements accurately describes the characteristics of rods and cones invision?A) Rods are responsible for chromatic vision and are mostly concentrated at the fovea.B) Cones are responsible for monochromatic vision and are present everywhere on the retinaexcept the fovea.C) Rods are primarily located at the fovea and are responsible for both monochromatic andchromatic vision.D) Cones are mainly located in the blind spot and are responsible for monochromatic vision.E) Rods are primarily responsible for monochromatic vision and are present everywhere on theretina except the blind spot and fovea
The main reason that rods are more sensitive to light than cones is thatGroup of answer choicesthe photopigment of rods is much more sensitive to light than the photopigment used in cones.the eye contains 1000 times as many rods as cones.the rod transduction mechanism provides greater signal amplification.rods are sensitive to a much broader range of wavelengths.
How many cones and rods will be there in retina
Differentiate rods and cones. (Select all that apply.)Multiple select question.Rods are more common than conesRods are numerous in the fovea centralis, and cones are not found in the fovea centralis.Cones contain the pigment rhodopsin, and the pigments in rods are sensitive to blue, green, and red.Rods function in noncolor vision, and cones function in color vision and visual acuity.
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