Description : Which one of the following sets of color combinations is added in color vision in TV’? A. Red, green and blue (Answer) B. Orange, back and violet C. White. red and yellow D. Yellow, green and blue
Last Answer : A. Red, green and blue (Answer)
Description : Violet, indigo, blue and green, yellow, orange and red; these are the colors you have seen after the storm has fled. What am I? -Riddles
Last Answer : I am a Rainbow.
Description : Lights of different colours are arranged below in order of increasing wavelengths: 1. Violet, indigo, blue 2. Green, orange, red 3. Red, green, indigo 4. Blue, green, yellow Which of the above are in proper sequence? (a) 1 only (b) 1 and 2 (c) 2 and 3 (d) 1 and 4
Last Answer : Ans:(d)
Description : Maximum photosynthetic activity occurs in - (1) blue and red region of light (2) green and yellow region of light (3) blue and orange region of light (4) violet and orange region of light
Last Answer : (1) blue and red region of light Explanation: Wavelength of light between 400 nm and 700 nm is most effective for photosynthesis. This light is called photo synthetically active radiation (PAR). ... in red and minimum in blue region. In both these regions light is absorbed by chlorophylls.
Description : One scientist cultured Cladophora in a suspension of Azotobacter and illuminated the culture by splitting light through a prism. He observed that bacteria accumulated mainly in the region of (a) violet and green light (b) indigo and green light (c) orange and yellow light (d) blue and red light.
Last Answer : (d) blue and red light.
Description : Maximum photosynthetic activity occurs in : (1) blue and red region of light (2) green and yellow region of light (3) blue and orange region of light (4) violet and orange region of light
Last Answer : blue and red region of light
Description : A man with colour blindness will see red as - (1) Yellow (2) Blue (3) Green (4) Violet
Last Answer : (3) Green Explanation: Colour-blindness is the inability to distinguish the differences between certain colours. This condition results from an absence of colour-sensitive pigment in the cone cells of the ... type is red-green colour-blindness, where red and green are seen as the same color.
Description : A man with colour blindness will see red as (1) Yellow (2) Blue (3) Green (4) Violet
Last Answer : Green
Description : Natalie had fourteen balls. Each one color. She alternated the colors each day, there was a blue, pink, purple, green, red, yellow, black, white, orange, turquoise, tan, neon pink, and brown. Each day of the ... the week will she go to Arby's? What ball will she have while she is at Arby's? -Riddles
Last Answer : She will go to Arby's on Monday, for that is the first day of the week and A is the first letter of the alphabet. So on Tuesday she would go to Burger King. On Wednesday she would go to Chick- ... because red is the first color of the rainbow. So on Tuesday she would have a Orange ball. And so on.
Description : What are the primary colors of Pigment? A. White, Black, Blue B. Red, Yellow, Blue (Answer) C. Red, Orange, Blue D. Red, Green, Blue
Last Answer : B. Red, Yellow, Blue (Answer)
Description : What are the primary colors of Light? 33 A. White, Black, Blue B. Red, Yellow, Blue C. Red, Orange, Blue D. Red, Green, Blue (Answer)
Last Answer : D. Red, Green, Blue (Answer)
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.
Description : Which combination of colour is the most convenient during day and night time ? (1) Organe and blue (2) White and black (3) Yellow and blue (4) Red and green
Last Answer : Red and green
Description : Which colour is the complementary colour of yellow? (1) Blue (2) Green (3) Orange (4) Red
Last Answer : (1) Blue Explanation: Complementary colours are pairs of colours that are of "opposite" hue in some colour model. In colour theory, two colours are called complementary if, when mixed in the proper ... -perceptual colour models, the neutral colours (white, grey, and black) lie along a central axis.
Description : Which colour is the complementary colour of yellow ? (1) Blue (2) Green (3) Orange (4) Red
Last Answer : Blue
Description : Which of the following types of light are strongly absorbed by plants? (1) Violet and orange (2) Blue and red (3) Indigo and yellow (4) Yellow and violet
Last Answer : (2) Blue and red
Last Answer : (2) Blue and red Explanation: As shown in detail in the absorption spectra, chlorophyll absorbs light in the red (long wavelength) and the blue (short wavelength) regions of the visible light spectrum. Green light is not absorbed but reflected.
Description : Which components of light are absorbed by chlorophyll? (1) Violet and red (2) Indigo and orange (3) Blue and red (4) Violet and yellow
Last Answer : (1) Violet and red Explanation: Chlorophyll is a green pigment found in cyanobacteria and the chloroplasts of algae and plants. Chlorophyll is an extremely important biornolecule, critical in ... and near-green portions of the spectrum, hence the green color of chlorophyll-containing tissues.
Description : Which components of light are absorbed by chlorophyll ? (1) Violet and red (2) Indigo and orange (3) Blue and red (4) Violet and yellow
Last Answer : Violet and red
Description : The colour of Emerald is - (1) Violet (2) Yellow (3) Deep Green (4) Prussian Blue
Last Answer : (3) Deep Green Explanation: The most desirable emerald colors are bluish green to pure green, with vivid color saturation and tone that's not too dark. The most-prized emeralds are highly transparent. Their color is evenly distributed, with no eyevisible colorzoning.
Description : A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed? (1) From brown to blue-black (2) From brown to orange-red (3) From blue to pink (4) From pink to blue-green
Last Answer : (1) From brown to blueblack Explanation: Any form of starch (carbohydrate) turns blue-black when iodine solution is applied to it. This is because starch is composed of polymers of ... already mentioned. The complex of iodine stuck inside the amylose coil produces a characteristic blueblack colour.
Description : potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed? (1) From brown to blue-black (2) From brown to orange-red (3) From blue to pink (4) From pink to blue-green
Last Answer : (1) From brown to blueblack Explanation: The Iodine test is used to test for the presence of starch. Iodine solution — iodine dissolved in an aqueous solution of potassium iodide — reacts with the starch producing a purple black colour.
Description : A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed? (1) From brown to blue–black (2) From brown to orange–red (3) From blue to pink (4) From pink to blue–green
Last Answer : From brown to blue–black
Last Answer : From brown to blue-black
Description : Which of the following colour is least scattered by fog, dust or smoke : A. Violet B. Blue C. Red D. Yellow
Last Answer : C. Red
Description : Blue light is always less efficient in photosysthesis than (a) White (b) Red (c) Orange (d) Violet
Last Answer : (b) Red
Description : To an astronaut in the spacecraft, the sky colour appears to be (a) Blue (b) White (c) Black (d) Orange red
Last Answer : Ans:(c)
Description : Black and Blue. Red and Green. Yellow and Blue. Green and Grey. I am all colours. You can try to get close to me, but you can't escape my vision. If you get greedy, you will try to take your colours for yourself, but before you know it, I will be eating you for lunch. What am I? -Riddles
Last Answer : A Chameleon.
Description : Which of the following colour of light deviates least through the prism? (1) yellow (2) green (3) violet (4) red
Last Answer : (4) red Explanation: In refracting media like glass prism, water, etc., lights of different colors travel with different speeds. The speed of violet colour is the least, while the speed of red ... violet colour is deviated the most, while red colour is deviated least on passing through the prism.
Description : Which colour of light shows maximum deviation when passed through a prism? (1) Red (2) Green (3) Violet (4) Yellow
Last Answer : (3) Violet Explanation: When passed through a prism violet colour of light shows maximum deviation. As white light passes through a prism, the voilet component, having the minimum wave length observes the maximum refractive index for the prism and, thus, gets deviated to the maximum extent.
Last Answer : red
Description : Which colour of light shows maximum deviation when passed through a prism ? (1) Red (2) Green (3) Violet (4) Yellow
Last Answer : Violet
Description : Which colour of light shows maximum deviation when passed through a prism? (1) White (2) Red (3) Violet (4) Green
Last Answer : (3) Violet Explanation: The angle of deviation, by which the light of a particular wavelength gets deviated on passing through a medium, depends upon the refractive index of the medium, as ... wavelength. The smaller the wavelength of the passing light, the greater is the refractive index observed.
Description : A color with a wavelength longer than that of yellow is: A. Red B. Blue C. Violet D. Green
Last Answer : A. Red
Description : A color with a wavelength longer than that of yellow is: w) red x) blue y) violet z) green
Last Answer : ANSWER: W -- RED
Description : Which colour is formed when Red and Green are mixed? (1) Light blue (2) Yellow (3) White (4) Grey
Last Answer : (2) Yellow Explanation: Red, green and blue are the primary colors and all other colors can be created from them. When red and green combine, the result is yellow.
Description : Which combination of colour is the most convenient during day and night time? (1) Organe and blue (2) While and black (3) Yellow and blue (4) Red and green
Last Answer : (4) Red and green Explanation: Red and green is the most convenient combination during day and night time because of very precise visibility. In modem colour theory, also known as the RGB colour ... almost any colour. This is the principle used to make the colours on computer screen and television.
Description : A beam of white light is passed through a diffraction grating and the resulting spectrum is allowed to fall on a screen. Which one of the following is the color of light that undergoes the greatest deviation from its original direction? Is it: A. Red B. yellow C. Blue D. violet Engineering
Description : A beam of white light is passed through a diffraction grating and the resulting spectrum is allowed to fall on a screen. Which one of the following is the color of light that undergoes the greatest deviation from its original direction. Is it: w) red x) yellow y) blue z) violet
Description : When white light passes through a glass prism we get a spectrum on the other side of the prism. In the emergent beam the ray which is deviated least is - (1) the violet ray (2) the red ray (3) the green ray (4) the blue ray
Last Answer : (2) the red ray Explanation: Red is deviated the least and violet the most.
Description : In refraction that occurs in air/glass interfaces, among the visible light, which is the bent the least? ∙ A. violet ∙ B. blue ∙ C. red ∙ D. orange
Last Answer : C. red
Description : In the Tyndall Effect, the intensity of scattered radiation is inversely proportional to the fourth power of the wavelength. Which one of the following colors of light would exhibit the most intense Tyndall scattering? w) yellow x) green y) orange z) violet
Last Answer : ANSWER: Z -- VIOLET
Description : What are the primary colours? (a) Blue, green, yellow (b) Yellow, red, blue (c) Red, blue, green (d) Green, white, black
Last Answer : Ans:(b)
Description : Person who is colorblind cannot distinguish between – (1) Black and yellow (2) Red and green (3) Yellow and white (4) Green and blue
Last Answer : (2) Red and green Explanation: Color blindness is the decreased ability to see color or differences in color. The most common form of colour blindness is known as red/green colour blind-ness and ... red and green hues due to the absence or mutation of the red or green retinal photoreceptors.
Description : Person who is colourblind cannot distinguish between (1) Black and yellow (2) Red and green (3) Yellow and white (4) Green and blue
Description : Four identical samples of a metal are heated to different temperatures. Based on the colors of their incandescences, which sample is the hottest? The sample that is: w) blue-white x) bright red y) yellow z) orange
Last Answer : ANSWER: W -- BLUE-WHITE
Description : From 5 different green balls, four different blue balls and three different red balls, how many combinations of balls can be chosen taking at least one green and one blue ball?
Last Answer : Answer: 3720.
Description : If the crystal is moistened with water which colour of crystals appear---- (a) Green (b) Red (c) Blue (d) Yellow
Last Answer : (c) Blue
Description : Xanthophyll is a pigment having (A) Yellow colour (B) Green colour (C) Red colour D) Blue colour
Last Answer : (A) Yellow colour
Description : Blue red green yellow four Olympic rings colour what's missing
Last Answer : Black