The red, orange and yellow colours of leaf is due to – (1) Aldehydes (2) Tannis (3) Lignins (4) Carotenold

The red, orange and yellow colours of leaf is due to – (1) Aldehydes (2) Tannis (3) Lignins (4) Carotenold
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(4) Carotenold Explanation: The red, orange and yellow colours of leaf are due to carotenoids.
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The red, orange and yellow colours of leaf is due to : (1) Aldehydes (2) Tannis (3) Lignins (4) Carotenoid

Description : The red, orange and yellow colours of leaf is due to : (1) Aldehydes (2) Tannis (3) Lignins (4) Carotenoid

Last Answer : Carotenoid

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

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)

Very abundantly occurring plant products are (a) tannins (b) lignins (c) alkaloids (d) flavonoids

Description : Very abundantly occurring plant products are (a) tannins (b) lignins (c) alkaloids (d) flavonoids

Last Answer : Ans:(b)

The 'shanks system' of leaching (i.e., counter-current multiple contact leaching) is used for (A) Recovery of tannis from the tree barks and woods (B) Leaching sodium nitrate from Chilean nitrate bearing rock (C) Both (A) and (B) (D) Neither (A) nor (B)

Description : The 'shanks system' of leaching (i.e., counter-current multiple contact leaching) is used for (A) Recovery of tannis from the tree barks and woods (B) Leaching sodium nitrate from Chilean nitrate bearing rock (C) Both (A) and (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) and (B)

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

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.

The refractive indices for lights of violet, yellow and red colours for a flint glass prism are respectively 1.632, 1.620 and 1.613. Find the dispersi

Description : The refractive indices for lights of violet, yellow and red colours for a flint glass prism are respectively 1.632, 1.620 and 1.613. Find the dispersi

Last Answer : The refractive indices for lights of violet, yellow and red colours for a flint glass prism are ... Find the dispersive power of the prism material.

The deviation caused for red, yellow and violet colours for crown glass prism are `2.84^(@),3.28^(@)` and `3.72^(@)` respectively. The dispersive powe

Description : The deviation caused for red, yellow and violet colours for crown glass prism are `2.84^(@),3.28^(@)` and `3.72^(@)` respectively. The dispersive powe

Last Answer : The deviation caused for red, yellow and violet colours for crown glass prism are `2.84^( ... respectively. The dispersive power of prism material is:

Which one of the following colours has the longest wavelength? A. Yellow B. Blue C. Red D. Green

Description : Which one of the following colours has the longest wavelength? A. Yellow B. Blue C. Red D. Green

Last Answer : ANSWER: C

Which one of the following colours has the longest wavelength? A. Yellow B. Blue C. Red D. Green

Description : Which one of the following colours has the longest wavelength? A. Yellow B. Blue C. Red D. Green

Last Answer : ANSWER: C

What are the primary colours? (a) Blue, green, yellow (b) Yellow, red, blue (c) Red, blue, green (d) Green, white, black

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)

In the following list of colours 1. Blue 2. Green 3. Red 4. Yellow Which are the three primary colours? (a) 1, 2 and 3 (b) 1, 2 and 4 (c) 2, 3 and 4 (d) 1, 3 and 4

Description : In the following list of colours 1. Blue 2. Green 3. Red 4. Yellow Which are the three primary colours? (a) 1, 2 and 3 (b) 1, 2 and 4 (c) 2, 3 and 4 (d) 1, 3 and 4

Last Answer : Ans:(a)

The primary colours in photography are – (1) Red, Blue, Yellow (2) Red, Yellow, Green (3) Red, Blue, Green (4) Blue, Yellow, Green

Description : The primary colours in photography are – (1) Red, Blue, Yellow (2) Red, Yellow, Green (3) Red, Blue, Green (4) Blue, Yellow, Green

Last Answer : (1) Red, Blue, Yellow Explanation: There are three primary colours of Red, Green and Blue (ROB). As these are mixed they form lighter colours, and when all three are mixed together they appear ... more than they do with photographs, often refer to Red, Yellow and Blue as the primary colours.

A student wishes to study the cell structure under a light microscope having 10X eyepiece and 45X objective. He should illuminate the object by which one of the following colours of light so as to get the best possible resolution? (a) Blue (b) Green (c) Yellow (d) Red

Description : A student wishes to study the cell structure under a light microscope having 10X eyepiece and 45X objective. He should illuminate the object by which one of the following colours of light so as to get the best possible resolution? (a) Blue (b) Green (c) Yellow (d) Red

Last Answer : (a) Blue

The primary colours in photography are (1) Red, Blue, Yellow (2) Red, Yellow, Green (3) Red, Blue, Green (4) Blue, Yellow, Green

Description : The primary colours in photography are (1) Red, Blue, Yellow (2) Red, Yellow, Green (3) Red, Blue, Green (4) Blue, Yellow, Green

Last Answer : Red, Blue, Yellow

Sodium vapour lamps glow with yellow colour. This is due to - (1) sublimation of sodium to emit yellow colour (2) the emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum (3) the low ionisation energy of sodium (4) its ability to absorb all other colours except yellow

Description : Sodium vapour lamps glow with yellow colour. This is due to - (1) sublimation of sodium to emit yellow colour (2) the emission of excess energy absorbed by sodium atoms, in the yellow region of the ... (3) the low ionisation energy of sodium (4) its ability to absorb all other colours except yellow

Last Answer : (2) the emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum Explanation: Sodium Vapour Lamps glow with yellow colour due to the emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum.

Sodium vapour lamps glow with yellow colour. This is due to (1) sublimation of sodium to emit yellow colour (2) the emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum (3) the low ionisation energy of sodium (4) its ability to absorb all other colours except yellow

Description : Sodium vapour lamps glow with yellow colour. This is due to (1) sublimation of sodium to emit yellow colour (2) the emission of excess energy absorbed by sodium atoms, in the yellow region of the ... (3) the low ionisation energy of sodium (4) its ability to absorb all other colours except yellow

Last Answer : the emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum

The melting points of aldehydes and ketones tend to : (a) decrease with increasing molecular weight. (b) increase with increasing molecular weight. (c) remain unchanged with increasing molecular weight. (d) be unpredictable due to resonance

Description : The melting points of aldehydes and ketones tend to : (a) decrease with increasing molecular weight. (b) increase with increasing molecular weight. (c) remain unchanged with increasing molecular weight. (d) be unpredictable due to resonance

Last Answer : increase with increasing molecular weight.

Sun appears red in colour at sun-rise and sunset due to – (1) the fact that sun emits only red colour at that time (2) red light having longer wave length scatters away (3) that sun Comes out of the mountains (4) that all other colours scatter away except red

Description : Sun appears red in colour at sun-rise and sunset due to – (1) the fact that sun emits only red colour at that time (2) red light having longer wave length scatters away (3) that sun Comes out of the mountains (4) that all other colours scatter away except red

Last Answer : (4) that all other colours scatter away except red Explanation: According to Rayleigh's law, the intensity of scattered light varies inversely as the fourth power of its wavelength. Sunlight consists of ... have to travel a larger part of the atmosphere because they are very close to the horizon.

Most of the red; blue and purple colours of plants are due to a pigment called?

Description : Most of the red; blue and purple colours of plants are due to a pigment called?

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Sun appears red in colour at sunrise and sunset due to (1) the fact that sun emits only red colour at that time (2) red light having longer wave length scatters away (3) that sun comes out of the mountains (4) that all other colours scatter away except red

Description : Sun appears red in colour at sunrise and sunset due to (1) the fact that sun emits only red colour at that time (2) red light having longer wave length scatters away (3) that sun comes out of the mountains (4) that all other colours scatter away except red

Last Answer :  that all other colours scatter away except red

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 week she also alternated fast food places. McDonald's, Chick-fil-A, In-and-out, Wendy's, Good eats, Burger King, and Arby's None in respective order. What day of the week will she go to Arby's? What ball will she have while she is at Arby's? -Riddles

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

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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

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

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The sequence of bands marked on a carbon resistor is yellow , red orange and silver. What is its (a) resistance and (b) tolerance ?

Description : The sequence of bands marked on a carbon resistor is yellow , red orange and silver. What is its (a) resistance and (b) tolerance ?

Last Answer : The sequence of bands marked on a carbon resistor is yellow , red orange and silver. What is its (a) resistance and (b) tolerance ?

What is red yellow and orange pigment found within chloroplast's?

Description : What is red yellow and orange pigment found within chloroplast's?

Last Answer : What is the answer ?

What pigment reflects orange yellow and red and absorbs the other colors to provide energy for photosynthesis?

Description : What pigment reflects orange yellow and red and absorbs the other colors to provide energy for photosynthesis?

Last Answer : Carotenoids.

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

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

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

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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

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

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

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

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Which components of light are absorbed by chlorophyll? (1) Violet and red (2) Indigo and orange (3) Blue and red (4) Violet and yellow

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

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Description : Which colour is the complementary colour of yellow? (1) Blue (2) Green (3) Orange (4) Red

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What are the primary colors of Pigment? A. White, Black, Blue B. Red, Yellow, Blue (Answer) C. Red, Orange, Blue D. Red, Green, Blue

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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)

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)

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Description : Current stage of star ‘Sun’ is------? A. white dwarf B. red giant C. yellow dwarf (Answer) D. orange dwarf

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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

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)

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.

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.

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Description : Fast-selling convenience goods are called 1. White goods 2. Yellow goods 3. Red goods 4. Orange goods 5. None of these

Last Answer : Red goods

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Description : Goods which are not bought as often as fastmoving items but are replaced from time to time are called 1. White goods 2. Yellow goods 3. Red goods 4. Orange goods 5. None of these

Last Answer : Orange goods

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Description : High-priced goods which are kept in use for a relatively long time and so are not replaced very frequently are called _____________ 1. White goods 2. Yellow goods 3. Red goods 4. Orange goods 5. None of these

Last Answer : Yellow goods

Which of the following colors is not found in the visible light wave spectrum? ∙ a. Red ∙ b. White ∙ c. Orange ∙ d. Yellow

Description : Which of the following colors is not found in the visible light wave spectrum? ∙ a. Red ∙ b. White ∙ c. Orange ∙ d. Yellow

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Which components of light are absorbed by chlorophyll ? (1) Violet and red (2) Indigo and orange (3) Blue and red (4) Violet and yellow

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

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Last Answer : blue and red region of light

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Description : Which colour is the complementary colour of yellow ? (1) Blue (2) Green (3) Orange (4) Red

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Last Answer : Ans:(c)

On the official flag of Canada, we can see __________ (A) a green birch leaf. (B) a yellow star. (C) a red maple leaf. (D) white stripes.

Description : On the official flag of Canada, we can see __________ (A) a green birch leaf. (B) a yellow star. (C) a red maple leaf. (D) white stripes.

Last Answer : (C) a red maple leaf. 

Yellow leaf of citrus is due to def of ? a Mo b Zn c Mn d N

Description : Yellow leaf of citrus is due to def of ? a Mo b Zn c Mn d N

Last Answer : a Mo

Two aliphatic aldehydes P and Q react in th presence of aqueous `k_(2)CO_(3)` to give compound R, which upon treatment with HCN provides compound S. O

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Two aliphatic aldehydes (P) and (Q) react in the presence of aqueous `K_(2)CO_(3)` to give compound (R ) which upon treatment with HCN gives compound(

Description : Two aliphatic aldehydes (P) and (Q) react in the presence of aqueous `K_(2)CO_(3)` to give compound (R ) which upon treatment with HCN gives compound(

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What are Aldehydes? (1) Mild oxidising agents (2) Strong oxidising agents (3) Strong reducing agents (4) Mild reducing agents

Description : What are Aldehydes? (1) Mild oxidising agents (2) Strong oxidising agents (3) Strong reducing agents (4) Mild reducing agents

Last Answer : (3) Strong reducing agents Explanation: Aldehydes are organic chemical compounds that include a-carbonyl group (i.e. an oxygen atom attached to a carbon atom by a double covalent bond) and a ... atom makes aldehydes very easy to oxidize. Or, put another way, they are strong reducing agents.