The daylight/photopic or colour vision and twilight/scotopic vision are function of respectively

The daylight/photopic or colour vision and twilight/scotopic vision are function of respectively
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The daylight/photopic or colour vision and twilight/scotopic vision are function of respectively
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The daylight/photopic or colour vision and twilight/scotopic vision are function of respectively

Description : The daylight/photopic or colour vision and twilight/scotopic vision are function of respectively

Last Answer : The daylight/photopic or colour vision and twilight/scotopic vision are function of respectively

Purkinje's shift: a. refers to the transition of retinal sensitivity between photopic and scotopic vision b. refers to the shift in the spectral sensitivity of the human retina toward shorter wavelengths of light c. accounts for blue colour appearing brighter at dusk d. all above

Description : Purkinje's shift: a. refers to the transition of retinal sensitivity between photopic and scotopic vision b. refers to the shift in the spectral sensitivity of the human retina toward shorter wavelengths of light c. accounts for blue colour appearing brighter at dusk d. all above

Last Answer : all above

The following are true about spectral sensitivity of the retina: a. in scotopic conditions, the peak sensitivity of the eye is near 500 nm b. under photopic conditions the peak sensitivity is near 555 nm c. in the presence of a bright yellow steady background light the retina has a peak sensitivity near 440 nm to a 25-Hz stimulus d. all above

Description : The following are true about spectral sensitivity of the retina: a. in scotopic conditions, the peak sensitivity of the eye is near 500 nm b. under photopic conditions the peak sensitivity is near 555 nm c ... light the retina has a peak sensitivity near 440 nm to a 25-Hz stimulus d. all above

Last Answer : all above

Which of the following statements is not correct? (a) An action potential in an axon does not move backward because the segment behind is in a refractory phase. (b) Depolarisation of hair cells of cochlea results in the opening of the mechanically gated potassium-ion channels. (c) Rods are very sensitive and contribute to daylight vision. (d) In the knee-jerk reflex, stimulus is the stretching of muscle and response is its contraction.

Description : Which of the following statements is not correct? (a) An action potential in an axon does not move backward because the segment behind is in a refractory phase. (b) Depolarisation of hair cells ... d) In the knee-jerk reflex, stimulus is the stretching of muscle and response is its contraction.

Last Answer : (c) Rods are very sensitive and contribute to daylight vision.

Scotopic people can do what?

Description : Scotopic people can do what?

Last Answer : See in the dark

Scotopic people can do what

Description : Scotopic people can do what

Last Answer : See in the dark

Which one of the following is the correct difference between rod cells and cone cells of our retina? Rod cells Cone cells (a) Overall Vision in poor Colour vision function light and detailed vision in bright light (b) Distribution More Evenly concentrated in distributed centre of retina all over retina (c) Visual acuity High Low (d) Visual pigment Iodopsin Rhodopsin contained

Description : Which one of the following is the correct difference between rod cells and cone cells of our retina? Rod cells Cone cells (a) Overall Vision in poor Colour vision function light and detailed ... of retina all over retina (c) Visual acuity High Low (d) Visual pigment Iodopsin Rhodopsin contained

Last Answer : (a) Overall Vision in poor Colour vision function

23 Which one of the following sets of colour combinations is added in colour vision in TV? A. Red, green and blue B. Orange, black and violet C. White, red and Yellow D. Green, Yellow and Blue

Description : 23 Which one of the following sets of colour combinations is added in colour vision in TV? A. Red, green and blue B. Orange, black and violet C. White, red and Yellow D. Green, Yellow and Blue

Last Answer : ANSWER: A

In the eye, colour vision is effected by the presence of - (1) Choroid coat (2) Sclerotic coat (3) Rods (4) Cones

Description : In the eye, colour vision is effected by the presence of - (1) Choroid coat (2) Sclerotic coat (3) Rods (4) Cones

Last Answer : (4) Cones Explanation: Cone cells, or cones, are photoreceptor cells in the retina of the eye that are responsible for color vision, they function best in relatively bright light, as opposed to ... , but quickly reduce in number towards the periphery of the retina. It allow the perception of colour

Which one of the following is responsible for the working of New-ton's colour disc experiment? (1) Formation of pure spectra (2) Formation of impure spectra (3) Persistence of vision (4) Principle of complementary colour

Description : Which one of the following is responsible for the working of New-ton's colour disc experiment? (1) Formation of pure spectra (2) Formation of impure spectra (3) Persistence of vision (4) Principle of complementary colour

Last Answer : (3) Persistence of vision Explanation: A Newton Disc can be created by painting a disc with the seven different colours. A combination of red, green and blue in the circular disc will yield the same result. This is due to the phenomenon called persistence of vision.

A colour-blind person cannot – (1) See distant objects (2) See black colour (3) Distinguish between certain colours (4) Have persistence of vision

Description : A colour-blind person cannot – (1) See distant objects (2) See black colour (3) Distinguish between certain colours (4) Have persistence of vision

Last Answer : (3) Distinguish between certain colours Explanation: Colour blindness or colour vision deficiency is the inability or decreased ability to see coluor, or perceive colour differences, under normal lighting ... to the optic nerve. This type of colour blindness is usually a sex-linked condition.

Area(s) in the visual cortex involved in colour vision include: a. V1 b. V2 c. V3 d. V8

Description : Area(s) in the visual cortex involved in colour vision include: a. V1 b. V2 c. V3 d. V8

Last Answer : V8

Structures involved in colour vision include: a. parvocellular pathway b. superficial layer 4C of visual cortex c. superior collliculi d. geniculate layers 1-2

Description : Structures involved in colour vision include: a. parvocellular pathway b. superficial layer 4C of visual cortex c. superior collliculi d. geniculate layers 1-2

Last Answer : parvocellular pathway

The following are involved in colour vision: a. P pathway b. M pathway c. area V8 of visual cortex d. area V3 of visual cortex

Description : The following are involved in colour vision: a. P pathway b. M pathway c. area V8 of visual cortex d. area V3 of visual cortex

Last Answer : area V8 of visual cortex

Both husband and wife have normal vision though their fathers were colour blind. The probability of their daughter becoming colour blind is (a) 0% (b) 25% (c) 50% (d) 75%.

Description : Both husband and wife have normal vision though their fathers were colour blind. The probability of their daughter becoming colour blind is (a) 0% (b) 25% (c) 50% (d) 75%.

Last Answer : (a) 0%

A colour blind girl is rare because she will be born only when (a) her mother and maternal grand father were colour blind (b) her father and maternal grand father were colour blind(c) her mother is colour blind and father has normal vision (d) parents have normal vision but grand parents were colour blind

Description : A colour blind girl is rare because she will be born only when (a) her mother and maternal grand father were colour blind (b) her father and maternal grand father were colour blind (c) ... blind and father has normal vision (d) parents have normal vision but grand parents were colour blind

Last Answer : b) her father and maternal grand father were colour blind

Of both normal parents, the chances of a male child becoming colour blind are (a) none (b) possible only when all the four grand parents had normal vision (c) possible only when father’s mother was colour blind (d) possible only when mother’s father was colour blind.

Description : Of both normal parents, the chances of a male child becoming colour blind are (a) none (b) possible only when all the four grand parents had normal vision (c) possible only when father’s mother was colour blind (d) possible only when mother’s father was colour blind.

Last Answer : (d) possible only when mother’s father was colour blind.

A woman with normal vision, but whose father was colour blind, marries a colour blind man. Suppose that the fourth child of this couple was a boy. This boy (a) may be colour blind or may be of normal vision (b) must be colour blind (c) must have normal colour vision (d) will be partially colour blind since he is heterozygous for the colour blind mutant allele

Description : A woman with normal vision, but whose father was colour blind, marries a colour blind man. Suppose that the fourth child of this couple was a boy. This boy (a) may be colour blind or ... colour vision (d) will be partially colour blind since he is heterozygous for the colour blind mutant allele

Last Answer : (a) may be colour blind or may be of normal vision

If a colour-blind man marries a woman who is homozygous for normal colour vision, the probability of their son being colour-blind is (a) 0 (b) 0.5 (c) 0.75 (d) 1.

Description : If a colour-blind man marries a woman who is homozygous for normal colour vision, the probability of their son being colour-blind is (a) 0 (b) 0.5 (c) 0.75 (d) 1.

Last Answer : a) 0

In the eye, colour vision is effected by the presence of : (1) Choroid coat (2) Sclerotic coat (3) Rods (4) Cones

Description : In the eye, colour vision is effected by the presence of : (1) Choroid coat (2) Sclerotic coat (3) Rods (4) Cones

Last Answer : Cones

Which one of the following is responsible for the working of Newton’s colour disc experiment ? (1) Formation of pure spectra (2) Formation of impure spectra (3) Persistence of vision (4) Principle of complementary colour

Description : Which one of the following is responsible for the working of Newton’s colour disc experiment ? (1) Formation of pure spectra (2) Formation of impure spectra (3) Persistence of vision (4) Principle of complementary colour

Last Answer : Persistence of vision

A colour-blind person cannot (1) see distant objects (2) see black colour (3) distinguish between certain colours (4) have persistence of vision

Description : A colour-blind person cannot (1) see distant objects (2) see black colour (3) distinguish between certain colours (4) have persistence of vision

Last Answer : distinguish between certain colours

Anybody interested in an online game of Twilight Struggle on Steam?

Description : Anybody interested in an online game of Twilight Struggle on Steam?

Last Answer : What is it?

In this Twilight Zone scenario where present-day white Americans wake up one day owning black slaves again, what do you think will happen?

Description : In this Twilight Zone scenario where present-day white Americans wake up one day owning black slaves again, what do you think will happen?

Last Answer : Instant uprising?

Who is more powerful: Samantha on Bewitched, Jeanie on I Dream of Jeanie, or Anthony Fremont on The Twilight Zone?

Description : Who is more powerful: Samantha on Bewitched, Jeanie on I Dream of Jeanie, or Anthony Fremont on The Twilight Zone?

Last Answer : Samantha was not restricted as to time or place or intention. Jeannie could only do what her master wished or desired. Anthony Fremont’s power only went as far as the area of his small town.

Isn't Twilight just a watered down version of Joss Whedon's "Buffy the Vampire Slayer" and "Angel"?

Description : Isn't Twilight just a watered down version of Joss Whedon's "Buffy the Vampire Slayer" and "Angel"?

Last Answer : THAT IS BLASPHEMY AND YOU WILL APOLOGISE.

Harry Potter or Twilight, which one are you?

Description : Harry Potter or Twilight, which one are you?

Last Answer : answer:I’m like Switzerland. I’m neutral. (altho the HP books have a much better and imaginative vocabulary range.)

What episodes of the Twilight Zone was Andy Griffith in?

Description : What episodes of the Twilight Zone was Andy Griffith in?

Last Answer : Andy Griffith did not appear in the Twilight Zone series. IMDB.com is a wonderful resource for such things. You can start with the original cast of The Andy Griffith Show, and click on each actor's ... select Actor, and you'll get a chronological,list of every TV show and movie they've appeared in.

Any old Twilight Zone fans in the house?

Description : Any old Twilight Zone fans in the house?

Last Answer : answer:By definition, any fans of the b&w Twilight Zone are going to be pretty old, I would think*. I don’t recall a lot of the episodes, actually, but I do recall Rod Serling’s introductions and that distinctive voice. I’ll have to find some of them on YouTube. *Well, aside from you, that is.

Scariest/creepiest twilight zone episode?

Description : Scariest/creepiest twilight zone episode?

Last Answer : Mama_Cakes NO FAIR asking a question like this when I’m up to my ears in papers to grade. I refuse to look in again until tomorrow. Or so I tell myself.

Twilight Saga: Breaking Dawn Part 2 press tour dates?

Description : Twilight Saga: Breaking Dawn Part 2 press tour dates?

Last Answer : I think they tape at least a day in advance, sometimes more than that. Depends on their availability. (The stars).

Anyone else find Ganon easy to beat in The Twilight Princess?

Description : Anyone else find Ganon easy to beat in The Twilight Princess?

Last Answer : answer:Totally! I was very unimpressed with the final challenge of Ganondorf and the end of the game. (although, it take take me awhile to knock him off his horse) @Jude – Are you excited about Skyward Sword?!

In Twilight Princess, what is the best way to kill the Shadow Beasts when you're the wolf (in the Palace of Twilight)

Description : In Twilight Princess, what is the best way to kill the Shadow Beasts when you're the wolf (in the Palace of Twilight)

Last Answer : I think my memory might be failing me, but in Wolf form, can’t Midna use an attack with a huge radius? I think that can kill all of them..

Your Twilight Zone moment; you are alone on the planet, how long before everything goes bad?

Description : Your Twilight Zone moment; you are alone on the planet, how long before everything goes bad?

Last Answer : This is it – ZERO HOUR!

In a "Twilight Zonic" episode, what would happen if all Fluther jellies wake up under the ocean, inside a nuclear submarine?

Description : In a "Twilight Zonic" episode, what would happen if all Fluther jellies wake up under the ocean, inside a nuclear submarine?

Last Answer :

What are your favorite or least favorite episodes of the Twilight Zone?

Description : What are your favorite or least favorite episodes of the Twilight Zone?

Last Answer : answer:I love the old black and white episodes of The Twilight Zone with Rod Serling. Among my favorite episodes are The Hitchhiker , Mirror Image , The Mannequin , and Long Distance Call ... interesting. And they seemed scarier because they were in black and white (like the movie Psycho ).

Have you ever felt like you're in the twilight zone?

Description : Have you ever felt like you're in the twilight zone?

Last Answer : OK, here’s a hit for you but I’m not quite sure what you mean. I came here cuz of the Twilight Zone reference. ;-) Now I feel bad so I’ll look for your other questions. Edit to add: I saw one of your other questions, but not both…and now I realize you said 2 q’s and I just feel silly.

Out of the Twilight Saga what book was your favorite?

Description : Out of the Twilight Saga what book was your favorite?

Last Answer : You couldn’t pay me to read any of them (but, that’s just me).

What if you had vampire immortality, such as in the Twilight series?

Description : What if you had vampire immortality, such as in the Twilight series?

Last Answer : Immorality seems to the hot topic around here. If you want to really know what a drag it is, check with Zsa Zsa Gabor or Larry King. (On the other hands, Hugh Hefner seems to be enjoying it.)

Do you see an obvious re-write of Shakespeare in the Twilight series?

Description : Do you see an obvious re-write of Shakespeare in the Twilight series?

Last Answer : answer:I only read the first book and thought the writing was pretty terrible- most of the characters other than Edward and Bella seemed like afterthoughts, and everyone gave Bella way more attention ... again, I just read The seven basic plots and I'm seeing archetypes everywhere. Great question!

Where can I buy those horrible Twilight panties?

Description : Where can I buy those horrible Twilight panties?

Last Answer : I bet Hot topic has them

What are some of your thoughts about twilight arguments?

Description : What are some of your thoughts about twilight arguments?

Last Answer : Kissing shirtless boys? That even sounds pretty intense. Yikes. I’m more concerned that girls these days are attracted to boys with fangs.

If someone really likes the twilight books, what other books might they like?

Description : If someone really likes the twilight books, what other books might they like?

Last Answer : What about those books does she like? Which themes speak to her the most? The drama? The vampires? The characters? The plot? The action? If she wants another vampire series – she should dig into Anne Rice. Say what you will, they’re still popular.

Can I buy the first 2 books in the Twilight Saga in hardcover?

Description : Can I buy the first 2 books in the Twilight Saga in hardcover?

Last Answer : No just the last two. But if you purchase the special edition ones they will be hardcover.

Why is the Twilight series so famous?

Description : Why is the Twilight series so famous?

Last Answer : I haven't read them but my wife is completely addicted to them. She's read the books several times and seen the movie probably 6 or 7 times, going with different people. Her 45 year old aunt loves them ... just fall in love with that guy. I don't know. It's definitely not limited to teens though.

Twilight vs Harry Potter?

Description : Twilight vs Harry Potter?

Last Answer : Harry Potter!!! More action, more creativity, less soppiness (except for that one ghost in the girl’s lavatory, Moaning Myrtle), and still some romance.

The Twilight Saga...

Description : The Twilight Saga...

Last Answer : Please don’t spoil the books for me. :)

What would be a good series to read after the Twilight Saga?

Description : What would be a good series to read after the Twilight Saga?

Last Answer : What did you like about it? Did you like the vampire aspect? Or the fantasy aspect in general? Or the thrills? Or the romance? Start by picking apart the bits you liked best and go from there.

Should I bother going to the store today to TRY to get a copy of the movie "Twilight" or do you think they're all sold out by now?

Description : Should I bother going to the store today to TRY to get a copy of the movie "Twilight" or do you think they're all sold out by now?

Last Answer : i know they are already doing another film.I did not think it was that popular maybe i was wrong maybe one or two stores will have a copy if your lucky

Who loves twilight?

Description : Who loves twilight?

Last Answer : It’s so Kool